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href="https://azb.wikipedia.org/wiki/%D8%A7%D9%88%DA%A9%D8%B3%DB%8C%D8%AF_%D9%84%D8%A7%D9%86%D8%AA%D8%A7%D9%86" title="اوکسید لانتان – South Azerbaijani" lang="azb" hreflang="azb" data-title="اوکسید لانتان" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Oxid_lanthanit%C3%BD" title="Oxid lanthanitý – Czech" lang="cs" hreflang="cs" data-title="Oxid lanthanitý" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lanthanoxid" title="Lanthanoxid – German" lang="de" hreflang="de" data-title="Lanthanoxid" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/%C3%93xido_de_lantano(III)" title="Óxido de lantano(III) – Spanish" lang="es" hreflang="es" data-title="Óxido de lantano(III)" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%84%D8%A7%D9%86%D8%AA%D8%A7%D9%86_%D8%A7%DA%A9%D8%B3%DB%8C%D8%AF" title="لانتان اکسید – Persian" lang="fa" hreflang="fa" data-title="لانتان اکسید" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Oxyde_de_lanthane" title="Oxyde de lanthane – French" lang="fr" hreflang="fr" data-title="Oxyde de lanthane" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B2%E0%A5%88%E0%A4%A8%E0%A5%8D%E0%A4%A5%E0%A4%A8%E0%A4%AE_%E0%A4%91%E0%A4%95%E0%A5%8D%E0%A4%B8%E0%A4%BE%E0%A4%87%E0%A4%A1" title="लैन्थनम ऑक्साइड – Hindi" lang="hi" hreflang="hi" data-title="लैन्थनम ऑक्साइड" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Ossido_di_lantanio" title="Ossido di lantanio – Italian" lang="it" hreflang="it" data-title="Ossido di lantanio" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Lant%C3%A1n(III)-oxid" title="Lantán(III)-oxid – Hungarian" lang="hu" hreflang="hu" data-title="Lantán(III)-oxid" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Lanthaan(III)oxide" title="Lanthaan(III)oxide – Dutch" lang="nl" hreflang="nl" data-title="Lanthaan(III)oxide" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%85%B8%E5%8C%96%E3%83%A9%E3%83%B3%E3%82%BF%E3%83%B3(III)" title="酸化ランタン(III) – Japanese" lang="ja" hreflang="ja" data-title="酸化ランタン(III)" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9E%D0%BA%D1%81%D0%B8%D0%B4_%D0%BB%D0%B0%D0%BD%D1%82%D0%B0%D0%BD%D0%B0(III)" title="Оксид лантана(III) – Russian" lang="ru" hreflang="ru" data-title="Оксид лантана(III)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Lantan_oksid" title="Lantan oksid – Serbian" lang="sr" hreflang="sr" data-title="Lantan oksid" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Lantan_oksid" title="Lantan oksid – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Lantan oksid" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Lantaanioksidi" title="Lantaanioksidi – Finnish" lang="fi" hreflang="fi" data-title="Lantaanioksidi" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%B2%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%A9%E0%AE%AE%E0%AF%8D_%E0%AE%86%E0%AE%95%E0%AF%8D%E0%AE%9A%E0%AF%88%E0%AE%9F%E0%AF%81" title="இலந்தனம் ஆக்சைடு – Tamil" lang="ta" hreflang="ta" data-title="இலந்தனம் ஆக்சைடு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Lanthan(III)_oxide" title="Lanthan(III) oxide – Vietnamese" lang="vi" hreflang="vi" data-title="Lanthan(III) oxide" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%B0%A7%E5%8C%96%E9%95%A7" title="氧化镧 – Wu" lang="wuu" hreflang="wuu" data-title="氧化镧" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B0%A7%E5%8C%96%E9%95%A7" title="氧化镧 – Chinese" lang="zh" hreflang="zh" data-title="氧化镧" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <style data-mw-deduplicate="TemplateStyles:r1268415487">.mw-parser-output .ib-chembox{border-collapse:collapse;text-align:left}.mw-parser-output .ib-chembox td,.mw-parser-output .ib-chembox th{border:1px solid #a2a9b1;width:40%}.mw-parser-output .ib-chembox td+td{width:60%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .ib-chembox figure:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent){background:var(--background-color-inverted,#f8f9fa)}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .ib-chembox figure:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent){background:var(--background-color-inverted,#f8f9fa)}}</style> <table class="infobox ib-chembox"> <caption>Lanthanum(III) oxide </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Oxyde_de_lanthane_en_poudre.jpg" class="mw-file-description" title="Lanthanum(III) oxide"><img alt="Lanthanum(III) oxide" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Oxyde_de_lanthane_en_poudre.jpg/220px-Oxyde_de_lanthane_en_poudre.jpg" decoding="async" width="220" height="152" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Oxyde_de_lanthane_en_poudre.jpg/330px-Oxyde_de_lanthane_en_poudre.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/41/Oxyde_de_lanthane_en_poudre.jpg/440px-Oxyde_de_lanthane_en_poudre.jpg 2x" data-file-width="2000" data-file-height="1384" /></a><figcaption>Lanthanum(III) oxide</figcaption></figure> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:La2O3structure.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/La2O3structure.svg/220px-La2O3structure.svg.png" decoding="async" width="220" height="225" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/La2O3structure.svg/330px-La2O3structure.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5d/La2O3structure.svg/440px-La2O3structure.svg.png 2x" data-file-width="1610" data-file-height="1648" /></a><figcaption></figcaption></figure> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Chemical_nomenclature" title="Chemical nomenclature">IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">Lanthanum(III) oxide</div> </td></tr> <tr> <td colspan="2" style="text-align:left;">Other names <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">Lanthanum sesquioxide<br />Lanthana</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=1312-81-8">1312-81-8</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=%5BO-2%5D.%5BO-2%5D.%5BO-2%5D.%5BLa%2B3%5D.%5BLa%2B3%5D">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.2529886.html">2529886</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.133008.html">133008</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.013.819">100.013.819</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q417250#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> </td></tr> <tr> <td><a href="/wiki/European_Community_number" title="European Community number"><span title="European Community number (chemical identifier)">EC Number</span></a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>215-200-5</li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/PubChem" title="PubChem">PubChem</a> <abbr title="Compound ID">CID</abbr></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/150906">150906</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/RTECS" class="mw-redirect" title="RTECS">RTECS number</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>OE5330000</li></ul></div> </td></tr> <tr> <td><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="precision.fda.gov"><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/4QI5EL790W">4QI5EL790W</a></span></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID7051478">DTXSID7051478</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q417250#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/2La.3O/q2*+3;3*-2<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: MRELNEQAGSRDBK-UHFFFAOYSA-N<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">[O-2].[O-2].[O-2].[La+3].[La+3]</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td><span title="Lanthanum">La</span><sub>2</sub><span title="Oxygen">O</span><sub>3</sub> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td><span class="nowrap"><span data-sort-value="7002325808000000000♠"></span>325.808</span> g·mol<sup>−1</sup>   </td></tr> <tr> <td>Appearance </td> <td>White powder, <a href="/wiki/Hygroscopic" class="mw-redirect" title="Hygroscopic">hygroscopic</a> </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>6.51 g/cm<sup>3</sup>, solid </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>2,315 °C (4,199 °F; 2,588 K) </td></tr> <tr> <td><a href="/wiki/Boiling_point" title="Boiling point">Boiling point</a> </td> <td>4,200 °C (7,590 °F; 4,470 K) </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Aqueous_solution" title="Aqueous solution">Solubility in water</a></div> </td> <td>Insoluble </td></tr> <tr> <td><a href="/wiki/Band_gap" title="Band gap">Band gap</a> </td> <td>4.3 eV </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Magnetic_susceptibility" title="Magnetic susceptibility">Magnetic susceptibility</a> (χ)</div> </td> <td>−78.0·10<sup>−6</sup> cm<sup>3</sup>/mol </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Structure </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Crystal_structure" title="Crystal structure">Crystal structure</a></div> </td> <td>Hexagonal, <a href="/wiki/Pearson_symbol" title="Pearson symbol">hP5</a> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Space_group" title="Space group">Space group</a></div> </td> <td>P-3m1, No. 164 </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;color:inherit;"><b><a href="/wiki/Occupational_safety_and_health" title="Occupational safety and health">Occupational safety and health</a></b> (OHS/OSH): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Main hazards</div> </td> <td>Irritant </td></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;color:inherit;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals" title="Globally Harmonized System of Classification and Labelling of Chemicals"><b>GHS</b> labelling</a>: </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_pictograms" title="GHS hazard pictograms">Pictograms</a></div> </td> <td><span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-exclam.svg" class="mw-file-description" title="GHS07: Exclamation mark"><img alt="GHS07: Exclamation mark" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/50px-GHS-pictogram-exclam.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/75px-GHS-pictogram-exclam.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/100px-GHS-pictogram-exclam.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span><sup id="cite_ref-sds_1-0" class="reference"><a href="#cite_note-sds-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals#Signal_word" title="Globally Harmonized System of Classification and Labelling of Chemicals">Signal word</a></div> </td> <td><b>Warning</b><sup id="cite_ref-sds_1-1" class="reference"><a href="#cite_note-sds-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_statements" title="GHS hazard statements">Hazard statements</a></div> </td> <td><abbr class="abbr" title="H315: Causes skin irritation">H315</abbr>, <abbr class="abbr" title="H319: Causes serious eye irritation">H319</abbr>, <abbr class="abbr" title="H335: May cause respiratory irritation">H335</abbr><sup id="cite_ref-sds_1-2" class="reference"><a href="#cite_note-sds-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_precautionary_statements" title="GHS precautionary statements">Precautionary statements</a></div> </td> <td><abbr class="abbr" title="P261: Avoid breathing dust/fume/gas/mist/vapours/spray.">P261</abbr>, <abbr class="abbr" title="P280: Wear protective gloves/protective clothing/eye protection/face protection.">P280</abbr>, <abbr class="abbr" title="P301+P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.">P301+P310</abbr>, <abbr class="abbr" title="P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.">P304+P340</abbr>, <abbr class="abbr" title="P305+P351+P338: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.">P305+P351+P338</abbr>, <abbr class="abbr" title="P405: Store locked up.">P405</abbr>, <abbr class="abbr" title="P501: Dispose of contents/container to ...">P501</abbr><sup id="cite_ref-sds_1-3" class="reference"><a href="#cite_note-sds-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/NFPA_704" title="NFPA 704"><b>NFPA 704</b></a> (fire diamond) </td> <td><style data-mw-deduplicate="TemplateStyles:r1170367383">.mw-parser-output .nfpa-704-diamond-ref{float:right;padding:1px;text-align:right}.mw-parser-output .nfpa-704-diamond-container{width:82px;font-family:sans-serif;margin:0 auto}.mw-parser-output .nfpa-704-diamond-container-ref{float:left;margin-left:1em}.mw-parser-output .nfpa-704-diamond-images{float:left;font-size:20px;text-align:center;position:relative;height:80px;width:80px;padding:1px}.mw-parser-output .nfpa-704-diamond-map{position:absolute;height:80px;width:80px}.mw-parser-output .nfpa-704-diamond .noresize{margin:0 auto}.mw-parser-output .nfpa-704-diamond-code{line-height:1em;text-align:center;position:absolute}.mw-parser-output .nfpa-704-diamond-code>a{color:black}.mw-parser-output .nfpa-704-diamond-blue{width:13px;top:31px;left:15px}.mw-parser-output .nfpa-704-diamond-red{width:12px;top:12px;left:35px}.mw-parser-output .nfpa-704-diamond-yellow{width:13px;top:31px;left:54px}.mw-parser-output .nfpa-704-diamond-white-image{position:relative;top:51px;left:0}.mw-parser-output .nfpa-704-diamond-white-text{vertical-align:middle;text-align:center;line-height:80%;position:absolute;top:52px}.mw-parser-output .nfpa-704-diamond-white-text a>span{position:absolute;color:black}.mw-parser-output .nfpa-704-diamond-white-wors{font-size:15px;width:23px;left:29px}.mw-parser-output .nfpa-704-diamond-white-wox{font-size:15px;font-stretch:condensed;width:21px;line-height:80%;top:-4px;left:29px}.mw-parser-output .nfpa-704-diamond-white-abcp{font-size:13.5px;font-stretch:condensed;width:28px;left:26px}.mw-parser-output .nfpa-704-diamond-white-ac{font-size:10px;width:30px;left:25px}.mw-parser-output .nfpa-704-diamond-white-strike{text-decoration:line-through}</style><div class="nfpa-704-diamond notheme"><div class="nfpa-704-diamond-container"><div class="nfpa-704-diamond-images nounderlines"> <div class="nfpa-704-diamond-map"><figure class="noresize" typeof="mw:File"><span><img alt="NFPA 704 four-colored diamond" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/80px-NFPA_704.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/120px-NFPA_704.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/160px-NFPA_704.svg.png 2x" data-file-width="512" data-file-height="512" usemap="#ImageMap_918d35bf65c33084" /></span><map name="ImageMap_918d35bf65c33084"><area href="/wiki/NFPA_704#Blue" shape="poly" coords="23,23,47,47,23,70,0,47" alt="Health 1: Exposure would cause irritation but only minor residual injury. E.g. turpentine" title="Health 1: Exposure would cause irritation but only minor residual injury. E.g. turpentine" /><area href="/wiki/NFPA_704#Red" shape="poly" coords="47,0,70,23,47,47,23,23" alt="Flammability (red): no hazard code" title="Flammability (red): no hazard code" /><area href="/wiki/NFPA_704#Yellow" shape="poly" coords="70,23,94,47,70,70,47,47" alt="Instability (yellow): no hazard code" title="Instability (yellow): no hazard code" /><area href="/wiki/NFPA_704#White" shape="poly" coords="47,47,70,70,47,94,23,70" alt="Special hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid" title="Special hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid" /></map><figcaption></figcaption></figure></div><div class="nfpa-704-diamond-code nfpa-704-diamond-blue"> <a href="/wiki/NFPA_704#Blue" title="NFPA 704"><span title="Health 1: Exposure would cause irritation but only minor residual injury. E.g. turpentine" class="notheme mw-no-invert">1</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-red"> </div><div class="nfpa-704-diamond-code nfpa-704-diamond-yellow"> </div><div class="nfpa-704-diamond-white-text mw-no-invert"><a href="/wiki/NFPA_704#White" title="NFPA 704"><span class="nfpa-704-diamond-white-wors" title="Special hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid"><span class="nfpa-704-diamond-white-strike">W</span></span></a></div></div></div></div> </td></tr> <tr> <td><a href="/wiki/Flash_point" title="Flash point">Flash point</a> </td> <td>Non-flammable </td></tr> <tr> <td><a href="/wiki/Safety_data_sheet" title="Safety data sheet">Safety data sheet</a> (SDS) </td> <td><a rel="nofollow" class="external text" href="https://www.americanelements.com/printpdf/lanthanum-oxide-1312-81-8/sds">External SDS</a> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Related compounds </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Other <a href="/wiki/Ion" title="Ion">anions</a></div> </td> <td><a href="/wiki/Lanthanum(III)_chloride" title="Lanthanum(III) chloride">Lanthanum(III) chloride</a> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Other <a href="/wiki/Ion" title="Ion">cations</a></div> </td> <td><a href="/wiki/Cerium(III)_oxide" title="Cerium(III) oxide">Cerium(III) oxide</a><br /><a href="/wiki/Actinium(III)_oxide" title="Actinium(III) oxide">Actinium(III) oxide</a> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Related compounds</div> </td> <td><a href="/w/index.php?title=Lanthanum_aluminium_oxide&action=edit&redlink=1" class="new" title="Lanthanum aluminium oxide (page does not exist)">Lanthanum aluminium oxide</a>,<br />LaSrCoO<sub>4</sub> </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; color:inherit; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/12px-X_mark.svg.png" decoding="async" width="12" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/18px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/24px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span> <span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=459011566&page2=Lanthanum+oxide">verify</a></span> (<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a> <sup><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup> ?) </div></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <p><b>Lanthanum(III) oxide</b>, also known as <b>lanthana</b>, chemical formula <style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span>, is an <a href="/wiki/Inorganic_compound" title="Inorganic compound">inorganic compound</a> containing the <a href="/wiki/Rare_earth_element" class="mw-redirect" title="Rare earth element">rare earth element</a> <a href="/wiki/Lanthanum" title="Lanthanum">lanthanum</a> and <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>. It is used in some ferroelectric materials, as a component of optical materials, and is a feedstock for certain catalysts, among other uses. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Properties">Properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lanthanum_oxide&action=edit&section=1" title="Edit section: Properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:La2O3powder.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b3/La2O3powder.jpg/160px-La2O3powder.jpg" decoding="async" width="160" height="130" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b3/La2O3powder.jpg/240px-La2O3powder.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b3/La2O3powder.jpg/320px-La2O3powder.jpg 2x" data-file-width="500" data-file-height="405" /></a><figcaption><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> powder</figcaption></figure> <p>Lanthanum oxide is a white solid that is insoluble in water, but dissolves in acidic solutions. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> absorbs moisture from air, converting to lanthanum hydroxide.<sup id="cite_ref-G&E_2-0" class="reference"><a href="#cite_note-G&E-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Lanthanum oxide has p-type semiconducting properties and a band gap of approximately 5.8 eV.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Its average room temperature resistivity is 10 kΩ·cm, which decreases with an increase in temperature. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> has the lowest lattice energy of the rare earth oxides, with very high <a href="/wiki/Dielectric_constant" class="mw-redirect" title="Dielectric constant">dielectric constant</a> ε = 27. </p> <div class="mw-heading mw-heading2"><h2 id="Structure">Structure</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lanthanum_oxide&action=edit&section=2" title="Edit section: Structure"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>At low temperatures, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> has an A-<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">M<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> hexagonal crystal structure. The <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sup>3+</sup></span> metal atoms are surrounded by a 7 coordinate group of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<sup>2−</sup></span> atoms, the oxygen ions are in an octahedral shape around the metal atom and there is one oxygen ion above one of the octahedral faces.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> On the other hand, at high temperatures lanthanum oxide converts to a C-<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">M<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> cubic crystal structure. The <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sup>3+</sup></span> ion is surrounded by six <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<sup>2−</sup></span> ions in a hexagonal configuration.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Synthesis">Synthesis</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lanthanum_oxide&action=edit&section=3" title="Edit section: Synthesis"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Lanthanum oxide can crystallize in at least three <a href="/wiki/Polymorphism_(materials_science)" class="mw-redirect" title="Polymorphism (materials science)">polymorphs</a>.<sup id="cite_ref-G&E_2-1" class="reference"><a href="#cite_note-G&E-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Hexagonal <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> has been produced by spray pyrolysis of lanthanum chloride.<sup id="cite_ref-kale_7-0" class="reference"><a href="#cite_note-kale-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 LaCl<sub class="template-chem2-sub">3</sub> + 3 H<sub class="template-chem2-sub">2</sub>O → La(OH)<sub class="template-chem2-sub">3</sub> + 3 HCl</span></dd> <dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 La(OH)<sub class="template-chem2-sub">3</sub> → La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub> + 3 H<sub class="template-chem2-sub">2</sub>O</span></dd></dl> <p>An alternative route to obtaining hexagonal <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> involves precipitation of nominal <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La(OH)<sub class="template-chem2-sub">3</sub></span> from aqueous solution using a combination of 2.5% <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">NH<sub class="template-chem2-sub">3</sub></span> and the surfactant <a href="/wiki/Sodium_dodecyl_sulfate" title="Sodium dodecyl sulfate">sodium dodecyl sulfate</a> followed by heating and stirring for 24 hours at 80 °C: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 LaCl<sub class="template-chem2-sub">3</sub> + 3 H<sub class="template-chem2-sub">2</sub>O + 3 NH<sub class="template-chem2-sub">3</sub> → La(OH)<sub class="template-chem2-sub">3</sub> + 3 [NH<sub class="template-chem2-sub">4</sub>]Cl</span></dd></dl> <p>Other routes include: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 La<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub> + 3 CO<sub class="template-chem2-sub">2</sub> → 2 La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub> + 3 CS<sub class="template-chem2-sub">2</sub></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Reactions">Reactions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lanthanum_oxide&action=edit&section=4" title="Edit section: Reactions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Lanthanum oxide is used as an additive to develop certain ferroelectric materials, such as La-doped <a href="/wiki/Bismuth_titanate" title="Bismuth titanate">bismuth titanate</a> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Bi<sub class="template-chem2-sub">4</sub>Ti<sub class="template-chem2-sub">3</sub>O<sub class="template-chem2-sub">12</sub></span> - BLT). Lanthanum oxide is used in optical materials; often the optical glasses are doped with <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> to improve the glass' refractive index, chemical durability, and mechanical strength.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">3 B<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub> + La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub> → 2 La(BO<sub class="template-chem2-sub">2</sub>)<sub class="template-chem2-sub">3</sub></span><sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (July 2022)">clarification needed</span></a></i>]</sup></dd></dl> <p>The addition of the <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> to the glass melt leads to a higher glass transition temperature from 658 °C to 679 °C. The addition also leads to a higher density, microhardness, and refractive index of the glass. </p> <div class="mw-heading mw-heading2"><h2 id="Potential_applications">Potential applications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lanthanum_oxide&action=edit&section=5" title="Edit section: Potential applications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Lanthanum oxide is most useful as a precursor to other lanthanum compounds.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Neither the oxide nor any of the derived materials enjoys substantial commercial value, unlike some of the other lanthanides. Many reports describe efforts toward practical applications of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span>, as described below. </p><p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span><span class="anchor" id="lanthanum_glass_anchor"></span> forms glasses of high density, refractive index, and hardness. Together with oxides of <a href="/wiki/Tungsten" title="Tungsten">tungsten</a>, <a href="/wiki/Tantalum" title="Tantalum">tantalum</a>, and <a href="/wiki/Thorium" title="Thorium">thorium</a>, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> improves the resistance of the glass to attack by alkali. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> is an ingredient in some <a href="/wiki/Piezoelectric" class="mw-redirect" title="Piezoelectric">piezoelectric</a> and thermoelectric materials. </p><p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></span> has been examined for the <a href="/wiki/Oxidative_coupling_of_methane" title="Oxidative coupling of methane">oxidative coupling of methane</a>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lanthanum_oxide&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-sds-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-sds_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-sds_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-sds_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-sds_1-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.americanelements.com/lanthanum-oxide-1312-81-8">"Lanthanum Oxide"</a>. <a href="/wiki/American_Elements" title="American Elements">American Elements</a><span class="reference-accessdate">. Retrieved <span class="nowrap">October 26,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Lanthanum+Oxide&rft.pub=American+Elements&rft_id=https%3A%2F%2Fwww.americanelements.com%2Flanthanum-oxide-1312-81-8&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-G&E-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-G&E_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-G&E_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGreenwoodEarnshaw1997" class="citation book cs1"><a href="/wiki/Norman_Greenwood" title="Norman Greenwood">Greenwood, Norman N.</a>; Earnshaw, Alan (1997). <i>Chemistry of the Elements</i> (2nd ed.). <a href="/wiki/Butterworth-Heinemann" title="Butterworth-Heinemann">Butterworth-Heinemann</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-08-037941-8" title="Special:BookSources/978-0-08-037941-8"><bdi>978-0-08-037941-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Chemistry+of+the+Elements&rft.edition=2nd&rft.pub=Butterworth-Heinemann&rft.date=1997&rft.isbn=978-0-08-037941-8&rft.aulast=Greenwood&rft.aufirst=Norman+N.&rft.au=Earnshaw%2C+Alan&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFShangPeacockRobertson2004" class="citation journal cs1">Shang, G.; Peacock, P. W.; Robertson, J. (2004). "Stability and band offsets of nitrogenated high-dielectric-constant gate oxides". <i>Applied Physics Letters</i>. <b>84</b> (1): <span class="nowrap">106–</span>108. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2004ApPhL..84..106S">2004ApPhL..84..106S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1063%2F1.1638896">10.1063/1.1638896</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Applied+Physics+Letters&rft.atitle=Stability+and+band+offsets+of+nitrogenated+high-dielectric-constant+gate+oxides&rft.volume=84&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E106-%3C%2Fspan%3E108&rft.date=2004&rft_id=info%3Adoi%2F10.1063%2F1.1638896&rft_id=info%3Abibcode%2F2004ApPhL..84..106S&rft.aulast=Shang&rft.aufirst=G.&rft.au=Peacock%2C+P.+W.&rft.au=Robertson%2C+J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWells,_A.F.1984" class="citation book cs1">Wells, A.F. (1984). <i>Structural Inorganic Chemistry</i>. Oxford: Clarendon Press. p. 546.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Structural+Inorganic+Chemistry&rft.place=Oxford&rft.pages=546&rft.pub=Clarendon+Press&rft.date=1984&rft.au=Wells%2C+A.F.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWyckoff,_R._W.G.1963" class="citation book cs1">Wyckoff, R. W.G. (1963). <i>Crystal Structures: Inorganic Compounds RXn, RnMX2, RnMX3</i>. 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"The Binary Rare Earth Oxides". <i>Chemical Reviews</i>. <b>98</b> (4): <span class="nowrap">1479–</span>1514. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fcr940055h">10.1021/cr940055h</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/11848940">11848940</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Chemical+Reviews&rft.atitle=The+Binary+Rare+Earth+Oxides&rft.volume=98&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1479-%3C%2Fspan%3E1514&rft.date=1998&rft_id=info%3Adoi%2F10.1021%2Fcr940055h&rft_id=info%3Apmid%2F11848940&rft.aulast=Adachi&rft.aufirst=Gin-ya&rft.au=Imanaka%2C+Nobuhito&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-kale-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-kale_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKale,_S.S.Jadhav,_K.R.Patil,_P.S.Gujar,_T.P.2005" class="citation journal cs1">Kale, S.S.; Jadhav, K.R.; Patil, P.S.; Gujar, T.P.; Lokhande, C.D. (2005). "Characterizations of spray-deposited lanthanum oxide (La2O3) thin films". <i>Materials Letters</i>. <b>59</b> (<span class="nowrap">24–</span>25): <span class="nowrap">3007–</span>3009. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.matlet.2005.02.091">10.1016/j.matlet.2005.02.091</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Materials+Letters&rft.atitle=Characterizations+of+spray-deposited+lanthanum+oxide+%28La2O3%29+thin+films&rft.volume=59&rft.issue=%3Cspan+class%3D%22nowrap%22%3E24%E2%80%93%3C%2Fspan%3E25&rft.pages=%3Cspan+class%3D%22nowrap%22%3E3007-%3C%2Fspan%3E3009&rft.date=2005&rft_id=info%3Adoi%2F10.1016%2Fj.matlet.2005.02.091&rft.au=Kale%2C+S.S.&rft.au=Jadhav%2C+K.R.&rft.au=Patil%2C+P.S.&rft.au=Gujar%2C+T.P.&rft.au=Lokhande%2C+C.D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVinogradova,_N._N.Dmitruk,_L._N.Petrova,_O._B.2004" class="citation journal cs1">Vinogradova, N. N.; Dmitruk, L. N.; Petrova, O. B. (2004). "Glass Transition and Crystallization of Glasses Based on Rare-Earth Borates". <i>Glass Physics and Chemistry</i>. <b>30</b>: <span class="nowrap">1–</span>5. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1023%2FB%3AGPAC.0000016391.83527.44">10.1023/B:GPAC.0000016391.83527.44</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:94177915">94177915</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Glass+Physics+and+Chemistry&rft.atitle=Glass+Transition+and+Crystallization+of+Glasses+Based+on+Rare-Earth+Borates&rft.volume=30&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E5&rft.date=2004&rft_id=info%3Adoi%2F10.1023%2FB%3AGPAC.0000016391.83527.44&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A94177915%23id-name%3DS2CID&rft.au=Vinogradova%2C+N.+N.&rft.au=Dmitruk%2C+L.+N.&rft.au=Petrova%2C+O.+B.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text">"Lanthanum has also found modest uses." <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGreenwoodEarnshaw1997" class="citation book cs1"><a href="/wiki/Norman_Greenwood" title="Norman Greenwood">Greenwood, Norman N.</a>; Earnshaw, Alan (1997). <i>Chemistry of the Elements</i> (2nd ed.). <a href="/wiki/Butterworth-Heinemann" title="Butterworth-Heinemann">Butterworth-Heinemann</a>. p. 946. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-08-037941-8" title="Special:BookSources/978-0-08-037941-8"><bdi>978-0-08-037941-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Chemistry+of+the+Elements&rft.pages=946&rft.edition=2nd&rft.pub=Butterworth-Heinemann&rft.date=1997&rft.isbn=978-0-08-037941-8&rft.aulast=Greenwood&rft.aufirst=Norman+N.&rft.au=Earnshaw%2C+Alan&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFManoilova,_O.V.2004" class="citation journal cs1">Manoilova, O.V.; et al. (2004). "Surface acidity and basicity of La2O3, LaOCl, and LaCl3 characterized by IR spectroscopy, TPD, and DFT calculations". <i>J. Phys. Chem. B</i>. <b>108</b> (40): <span class="nowrap">15770–</span>15781. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fjp040311m">10.1021/jp040311m</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Phys.+Chem.+B&rft.atitle=Surface+acidity+and+basicity+of+La2O3%2C+LaOCl%2C+and+LaCl3+characterized+by+IR+spectroscopy%2C+TPD%2C+and+DFT+calculations&rft.volume=108&rft.issue=40&rft.pages=%3Cspan+class%3D%22nowrap%22%3E15770-%3C%2Fspan%3E15781&rft.date=2004&rft_id=info%3Adoi%2F10.1021%2Fjp040311m&rft.au=Manoilova%2C+O.V.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ALanthanum+oxide" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist 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abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Lanthanum_compounds" title="Template:Lanthanum compounds"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Lanthanum_compounds" title="Template talk:Lanthanum compounds"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Lanthanum_compounds" title="Special:EditPage/Template:Lanthanum compounds"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Lanthanum_compounds23" style="font-size:114%;margin:0 4em"><a href="/wiki/Lanthanum" title="Lanthanum">Lanthanum</a> compounds</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lanthanum_acetate" title="Lanthanum acetate"><span class="chemf nowrap">La(CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>COO)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span></span></a></li> <li><a href="/wiki/Lanthanum_acetylacetonate" title="Lanthanum acetylacetonate">La(C<sub>5</sub>H<sub>7</sub>O<sub>2</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_aluminate" title="Lanthanum aluminate">LaAlO<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_hexaboride" title="Lanthanum hexaboride">LaB<sub>6</sub></a></li> <li><a href="/wiki/Lanthanum_barium_copper_oxide" title="Lanthanum barium copper oxide">LBCO</a></li> <li><a href="/wiki/Lanthanum(III)_bromide" title="Lanthanum(III) bromide">LaBr<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_carbide" title="Lanthanum carbide">LaC<sub>2</sub></a></li> <li><a href="/wiki/Lanthanum(III)_chloride" title="Lanthanum(III) chloride">LaCl<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_carbonate" title="Lanthanum carbonate">La<sub>2</sub>(CO<sub>3</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_cobaltite" title="Lanthanum cobaltite">LaCoO<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_laurate" title="Lanthanum laurate"><span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">36</sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">72</sub></span></span>LaO<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">6</sub></span></span></span></a></li> <li><a href="/wiki/Lanthanum_trifluoride" title="Lanthanum trifluoride">LaF<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_decahydride" title="Lanthanum decahydride">LaH<sub>10</sub></a></li> <li><a href="/wiki/Lanthanum_hafnate" title="Lanthanum hafnate">La<sub>2</sub>Hf<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Lanthanum(III)_iodate" title="Lanthanum(III) iodate">La(IO<sub>3</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum(III)_iodide" title="Lanthanum(III) iodide">LaI<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_nitride" title="Lanthanum nitride">LaN</a></li> <li><a href="/wiki/Lanthanum_manganite" title="Lanthanum manganite">LaMnO<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum-nickel_alloy" title="Lanthanum-nickel alloy">LaNi<sub>x</sub></a> (<a href="/wiki/Lanthanum_pentanickel" title="Lanthanum pentanickel">LaNi<sub>5</sub></a>)</li> <li><a href="/wiki/Lanthanum(III)_nitrate" title="Lanthanum(III) nitrate">La(NO<sub>3</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum(III)_sulfate" title="Lanthanum(III) sulfate">La<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_oxalate" title="Lanthanum oxalate"><span class="chemf nowrap">La<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>(C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">4</sub></span></span>)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span></span></a></li> <li><a class="mw-selflink selflink">La<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_oxyfluoride" title="Lanthanum oxyfluoride">LaOF</a></li> <li><a href="/wiki/Lanthanum_oxysulfide" title="Lanthanum oxysulfide"><span class="chemf nowrap">La<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>S</span></a></li> <li><a href="/wiki/Lanthanum_hydroxide" title="Lanthanum hydroxide">La(OH)<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_phosphide" title="Lanthanum phosphide">LaP</a></li> <li><a href="/wiki/Lanthanum(III)_telluride" title="Lanthanum(III) telluride">La<sub>2</sub>Te<sub>3</sub></a></li> <li><a href="/wiki/Lanthanum_ytterbium_oxide" title="Lanthanum ytterbium oxide">LaYbO<sub>3</sub></a></li> <li><a href="/wiki/LLZO" title="LLZO">LLZO</a></li> <li><a href="/wiki/LSAT_(oxide)" title="LSAT (oxide)">LSAT</a></li> <li><a href="/wiki/Lanthanum_strontium_cobalt_ferrite" title="Lanthanum strontium cobalt ferrite">LSCF</a></li> <li><a href="/wiki/Lanthanum_strontium_manganite" title="Lanthanum strontium manganite">LSM</a></li> <li><a href="/wiki/Lanthanum_stearate" title="Lanthanum stearate"><span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">54</sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">105</sub></span></span>LaO<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">6</sub></span></span></span></a></li> <li><a href="/wiki/Lanthanum_monosulfide" title="Lanthanum monosulfide">LaS</a></li> <li><a href="/wiki/Lanthanum(III)_sulfide" title="Lanthanum(III) sulfide"><span class="chemf nowrap">La<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span></a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Oxides245" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Oxides" title="Template:Oxides"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Oxides" title="Template talk:Oxides"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Oxides" title="Special:EditPage/Template:Oxides"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Oxides245" style="font-size:114%;margin:0 4em"><a href="/wiki/Oxide" title="Oxide">Oxides</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Mixed oxidation states</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Antimony_tetroxide" title="Antimony tetroxide">Antimony tetroxide</a> (<a href="/wiki/Antimony" title="Antimony">Sb</a><sub>2</sub>O<sub>4</sub>)</li> <li><a href="/wiki/Boron_suboxide" title="Boron suboxide">Boron suboxide</a> (<a href="/wiki/Boron" title="Boron">B</a><sub>12</sub>O<sub>2</sub>)</li> <li><a href="/wiki/Carbon_suboxide" title="Carbon suboxide">Carbon suboxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a><sub>3</sub>O<sub>2</sub>)</li> <li><a href="/wiki/Chlorine_perchlorate" title="Chlorine perchlorate">Chlorine perchlorate</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a><sub>2</sub>O<sub>4</sub>)</li> <li><a href="/wiki/Chloryl_perchlorate" class="mw-redirect" title="Chloryl perchlorate">Chloryl perchlorate</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a><sub>2</sub>O<sub>6</sub>)</li> <li><a href="/wiki/Cobalt(II,III)_oxide" title="Cobalt(II,III) oxide">Cobalt(II,III) oxide</a> (<a href="/wiki/Cobalt" title="Cobalt">Co</a><sub>3</sub>O<sub>4</sub>)</li> <li><a href="/wiki/Dichlorine_pentoxide" title="Dichlorine pentoxide">Dichlorine pentoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Iron(II,III)_oxide" title="Iron(II,III) oxide">Iron(II,III) oxide</a> (<a href="/wiki/Iron" title="Iron">Fe</a><sub>3</sub>O<sub>4</sub>)</li> <li><a href="/wiki/Lead(II,IV)_oxide" title="Lead(II,IV) oxide">Lead(II,IV) oxide</a> (<a href="/wiki/Lead" title="Lead">Pb</a><sub>3</sub>O<sub>4</sub>)</li> <li><a href="/wiki/Manganese(II,III)_oxide" title="Manganese(II,III) oxide">Manganese(II,III) oxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a><sub>3</sub>O<sub>4</sub>)</li> <li><a href="/wiki/Mellitic_anhydride" title="Mellitic anhydride">Mellitic anhydride</a> (<a href="/wiki/Carbon" title="Carbon">C</a><sub>12</sub>O<sub>9</sub>)</li> <li><a href="/wiki/Praseodymium(III,IV)_oxide" title="Praseodymium(III,IV) oxide">Praseodymium(III,IV) oxide</a> (<a href="/wiki/Praseodymium" title="Praseodymium">Pr</a><sub>6</sub>O<sub>11</sub>)</li> <li><a href="/wiki/Silver(I,III)_oxide" title="Silver(I,III) oxide">Silver(I,III) oxide</a> (<a href="/wiki/Silver" title="Silver">Ag</a><sub>2</sub>O<sub>2</sub>)</li> <li><a href="/wiki/Terbium(III,IV)_oxide" title="Terbium(III,IV) oxide">Terbium(III,IV) oxide</a> (<a href="/wiki/Terbium" title="Terbium">Tb</a><sub>4</sub>O<sub>7</sub>)</li> <li><a href="/wiki/Tribromine_octoxide" title="Tribromine octoxide">Tribromine octoxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a><sub>3</sub>O<sub>8</sub>)</li> <li><a href="/wiki/Triuranium_octoxide" title="Triuranium octoxide">Triuranium octoxide</a> (<a href="/wiki/Uranium" title="Uranium">U</a><sub>3</sub>O<sub>8</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+1 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminium(I)_oxide" title="Aluminium(I) oxide">Aluminium(I) oxide</a> (<a href="/wiki/Aluminium" title="Aluminium">Al</a><sub>2</sub>O)</li> <li><a href="/wiki/Copper(I)_oxide" title="Copper(I) oxide">Copper(I) oxide</a> (<a href="/wiki/Copper" title="Copper">Cu</a><sub>2</sub>O)</li> <li><a href="/wiki/Caesium_monoxide" title="Caesium monoxide">Caesium monoxide</a> (<a href="/wiki/Caesium" title="Caesium">Cs</a><sub>2</sub>O)</li> <li><a href="/wiki/Dibromine_monoxide" title="Dibromine monoxide">Dibromine monoxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a><sub>2</sub>O)</li> <li><a href="/wiki/Dicarbon_monoxide" title="Dicarbon monoxide">Dicarbon monoxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a><sub>2</sub>O)</li> <li><a href="/wiki/Dichlorine_monoxide" title="Dichlorine monoxide">Dichlorine monoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a><sub>2</sub>O)</li> <li><a href="/wiki/Gallium(I)_oxide" title="Gallium(I) oxide">Gallium(I) oxide</a> (<a href="/wiki/Gallium" title="Gallium">Ga</a><sub>2</sub>O)</li> <li><a href="/wiki/Iodine(I)_oxide" class="mw-redirect" title="Iodine(I) oxide">Iodine(I) oxide</a> (<a href="/wiki/Iodine" title="Iodine">I</a><sub>2</sub>O)</li> <li><a href="/wiki/Lithium_oxide" title="Lithium oxide">Lithium oxide</a> (<a href="/wiki/Lithium" title="Lithium">Li</a><sub>2</sub>O)</li> <li><a href="/wiki/Mercury(I)_oxide" title="Mercury(I) oxide">Mercury(I) oxide</a> (<a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a><sub>2</sub>O)</li> <li><a href="/wiki/Nitrous_oxide" title="Nitrous oxide">Nitrous oxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a><sub>2</sub>O)</li> <li><a href="/wiki/Potassium_oxide" title="Potassium oxide">Potassium oxide</a> (<a href="/wiki/Potassium" title="Potassium">K</a><sub>2</sub>O)</li> <li><a href="/wiki/Rubidium_oxide" title="Rubidium oxide">Rubidium oxide</a> (<a href="/wiki/Rubidium" title="Rubidium">Rb</a><sub>2</sub>O)</li> <li><a href="/wiki/Silver_oxide" title="Silver oxide">Silver oxide</a> (<a href="/wiki/Silver" title="Silver">Ag</a><sub>2</sub>O)</li> <li><a href="/wiki/Thallium(I)_oxide" title="Thallium(I) oxide">Thallium(I) oxide</a> (<a href="/wiki/Thallium" title="Thallium">Tl</a><sub>2</sub>O)</li> <li><a href="/wiki/Sodium_oxide" title="Sodium oxide">Sodium oxide</a> (<a href="/wiki/Sodium" title="Sodium">Na</a><sub>2</sub>O)</li> <li><a href="/wiki/Properties_of_water" title="Properties of water">Water (hydrogen oxide)</a> (<a href="/wiki/Hydrogen" title="Hydrogen">H</a><sub>2</sub>O)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+2 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminium(II)_oxide" title="Aluminium(II) oxide">Aluminium(II) oxide</a> (<a href="/wiki/Aluminium" title="Aluminium">Al</a>O)</li> <li><a href="/wiki/Barium_oxide" title="Barium oxide">Barium oxide</a> (<a href="/wiki/Barium" title="Barium">Ba</a>O)</li> <li><a href="/wiki/Berkelium_monoxide" class="mw-redirect" title="Berkelium monoxide">Berkelium monoxide</a> (<a href="/wiki/Berkelium" title="Berkelium">Bk</a>O)</li> <li><a href="/wiki/Beryllium_oxide" title="Beryllium oxide">Beryllium oxide</a> (<a href="/wiki/Beryllium" title="Beryllium">Be</a>O)</li> <li><a href="/wiki/Boron_monoxide" title="Boron monoxide">Boron monoxide</a> (<a href="/wiki/Boron" title="Boron">B</a>O)</li> <li><a href="/wiki/Bromine_monoxide" class="mw-redirect" title="Bromine monoxide">Bromine monoxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a>O)</li> <li><a href="/wiki/Cadmium_oxide" title="Cadmium oxide">Cadmium oxide</a> (<a href="/wiki/Cadmium" title="Cadmium">Cd</a>O)</li> <li><a href="/wiki/Calcium_oxide" title="Calcium oxide">Calcium oxide</a> (<a href="/wiki/Calcium" title="Calcium">Ca</a>O)</li> <li><a href="/wiki/Carbon_monoxide" title="Carbon monoxide">Carbon monoxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>O)</li> <li><a href="/wiki/Chlorine_monoxide" title="Chlorine monoxide">Chlorine monoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>O)</li> <li><a href="/wiki/Chromium(II)_oxide" title="Chromium(II) oxide">Chromium(II) oxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a>O)</li> <li><a href="/wiki/Cobalt(II)_oxide" title="Cobalt(II) oxide">Cobalt(II) oxide</a> (<a href="/wiki/Cobalt" title="Cobalt">Co</a>O)</li> <li><a href="/wiki/Copper(II)_oxide" title="Copper(II) oxide">Copper(II) oxide</a> (<a href="/wiki/Copper" title="Copper">Cu</a>O)</li> <li><a href="/wiki/Dinitrogen_dioxide" title="Dinitrogen dioxide">Dinitrogen dioxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a><sub>2</sub>O<sub>2</sub>)</li> <li><a href="/wiki/Europium(II)_oxide" title="Europium(II) oxide">Europium(II) oxide</a> (<a href="/wiki/Europium" title="Europium">Eu</a>O)</li> <li><a href="/wiki/Germanium_monoxide" title="Germanium monoxide">Germanium monoxide</a> (<a href="/wiki/Germanium" title="Germanium">Ge</a>O)</li> <li><a href="/wiki/Iron(II)_oxide" title="Iron(II) oxide">Iron(II) oxide</a> (<a href="/wiki/Iron" title="Iron">Fe</a>O)</li> <li><a href="/wiki/Iodine_monoxide" title="Iodine monoxide">Iodine monoxide</a> (<a href="/wiki/Iodine" title="Iodine">I</a>O)</li> <li><a href="/wiki/Lead(II)_oxide" title="Lead(II) oxide">Lead(II) oxide</a> (<a href="/wiki/Lead" title="Lead">Pb</a>O)</li> <li><a href="/wiki/Magnesium_oxide" title="Magnesium oxide">Magnesium oxide</a> (<a href="/wiki/Magnesium" title="Magnesium">Mg</a>O)</li> <li><a href="/wiki/Manganese(II)_oxide" title="Manganese(II) oxide">Manganese(II) oxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a>O)</li> <li><a href="/wiki/Mercury(II)_oxide" title="Mercury(II) oxide">Mercury(II) oxide</a> (<a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a>O)</li> <li><a href="/wiki/Nickel(II)_oxide" title="Nickel(II) oxide">Nickel(II) oxide</a> (<a href="/wiki/Nickel" title="Nickel">Ni</a>O)</li> <li><a href="/wiki/Nitric_oxide" title="Nitric oxide">Nitric oxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>O)</li> <li><a href="/wiki/Niobium_monoxide" title="Niobium monoxide">Niobium monoxide</a> (<a href="/wiki/Niobium" title="Niobium">Nb</a>O)</li> <li><a href="/wiki/Palladium(II)_oxide" title="Palladium(II) oxide">Palladium(II) oxide</a> (<a href="/wiki/Palladium" title="Palladium">Pd</a>O)</li> <li><a href="/wiki/Phosphorus_monoxide" title="Phosphorus monoxide">Phosphorus monoxide</a> (<a href="/wiki/Phosphorus" title="Phosphorus">P</a>O)</li> <li><a href="/wiki/Polonium_monoxide" title="Polonium monoxide">Polonium monoxide</a> (<a href="/wiki/Polonium" title="Polonium">Po</a>O)</li> <li><a href="/wiki/Protactinium_monoxide" title="Protactinium monoxide">Protactinium monoxide</a> (<a href="/wiki/Protactinium" title="Protactinium">Pa</a>O)</li> <li><a href="/wiki/Radium_oxide" title="Radium oxide">Radium oxide</a> (<a href="/wiki/Radium" title="Radium">Ra</a>O)</li> <li><a href="/wiki/Silicon_monoxide" title="Silicon monoxide">Silicon monoxide</a> (<a href="/wiki/Silicon" title="Silicon">Si</a>O)</li> <li><a href="/wiki/Strontium_oxide" title="Strontium oxide">Strontium oxide</a> (<a href="/wiki/Strontium" title="Strontium">Sr</a>O)</li> <li><a href="/wiki/Sulfur_monoxide" title="Sulfur monoxide">Sulfur monoxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a>O)</li> <li><a href="/wiki/Disulfur_dioxide" title="Disulfur dioxide">Disulfur dioxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a><sub>2</sub>O<sub>2</sub>)</li> <li><a href="/wiki/Thorium_monoxide" title="Thorium monoxide">Thorium monoxide</a> (<a href="/wiki/Thorium" title="Thorium">Th</a>O)</li> <li><a href="/wiki/Tin(II)_oxide" title="Tin(II) oxide">Tin(II) oxide</a> (<a href="/wiki/Tin" title="Tin">Sn</a>O)</li> <li><a href="/wiki/Titanium(II)_oxide" title="Titanium(II) oxide">Titanium(II) oxide</a> (<a href="/wiki/Titanium" title="Titanium">Ti</a>O)</li> <li><a href="/wiki/Vanadium(II)_oxide" title="Vanadium(II) oxide">Vanadium(II) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a>O)</li> <li><a href="/wiki/Yttrium(II)_oxide" title="Yttrium(II) oxide">Yttrium(II) oxide</a> (<a href="/wiki/Yttrium" title="Yttrium">Y</a>O)</li> <li><a href="/wiki/Zirconium_monoxide" class="mw-redirect" title="Zirconium monoxide">Zirconium monoxide</a> (<a href="/wiki/Zirconium" title="Zirconium">Zr</a>O)</li> <li><a href="/wiki/Zinc_oxide" title="Zinc oxide">Zinc oxide</a> (<a href="/wiki/Zinc" title="Zinc">Zn</a>O)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+3 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Actinium(III)_oxide" title="Actinium(III) oxide">Actinium(III) oxide</a> (<a href="/wiki/Actinium" title="Actinium">Ac</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Aluminium_oxide" title="Aluminium oxide">Aluminium oxide</a> (<a href="/wiki/Aluminium" title="Aluminium">Al</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Americium(III)_oxide" title="Americium(III) oxide">Americium(III) oxide</a> (<a href="/wiki/Americium" title="Americium">Am</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Antimony_trioxide" title="Antimony trioxide">Antimony trioxide</a> (<a href="/wiki/Antimony" title="Antimony">Sb</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Arsenic_trioxide" title="Arsenic trioxide">Arsenic trioxide</a> (<a href="/wiki/Arsenic" title="Arsenic">As</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Berkelium(III)_oxide" title="Berkelium(III) oxide">Berkelium(III) oxide</a> (<a href="/wiki/Berkelium" title="Berkelium">Bk</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Bismuth(III)_oxide" title="Bismuth(III) oxide">Bismuth(III) oxide</a> (<a href="/wiki/Bismuth" title="Bismuth">Bi</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Boron_trioxide" title="Boron trioxide">Boron trioxide</a> (<a href="/wiki/Boron" title="Boron">B</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Caesium_sesquioxide" title="Caesium sesquioxide">Caesium sesquioxide</a> (<a href="/wiki/Caesium" title="Caesium">Cs</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Californium(III)_oxide" title="Californium(III) oxide">Californium(III) oxide</a> (<a href="/wiki/Californium" title="Californium">Cf</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Cerium(III)_oxide" title="Cerium(III) oxide">Cerium(III) oxide</a> (<a href="/wiki/Cerium" title="Cerium">Ce</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Chromium(III)_oxide" title="Chromium(III) oxide">Chromium(III) oxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Cobalt(III)_oxide" title="Cobalt(III) oxide">Cobalt(III) oxide</a> (<a href="/wiki/Cobalt" title="Cobalt">Co</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Dinitrogen_trioxide" title="Dinitrogen trioxide">Dinitrogen trioxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Dysprosium(III)_oxide" title="Dysprosium(III) oxide">Dysprosium(III) oxide</a> (<a href="/wiki/Dysprosium" title="Dysprosium">Dy</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Einsteinium(III)_oxide" title="Einsteinium(III) oxide">Einsteinium(III) oxide</a> (<a href="/wiki/Einsteinium" title="Einsteinium">Es</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Erbium(III)_oxide" title="Erbium(III) oxide">Erbium(III) oxide</a> (<a href="/wiki/Erbium" title="Erbium">Er</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Europium(III)_oxide" title="Europium(III) oxide">Europium(III) oxide</a> (<a href="/wiki/Europium" title="Europium">Eu</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Gadolinium(III)_oxide" title="Gadolinium(III) oxide">Gadolinium(III) oxide</a> (<a href="/wiki/Gadolinium" title="Gadolinium">Gd</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Gallium(III)_oxide" title="Gallium(III) oxide">Gallium(III) oxide</a> (<a href="/wiki/Gallium" title="Gallium">Ga</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Gold(III)_oxide" title="Gold(III) oxide">Gold(III) oxide</a> (<a href="/wiki/Gold" title="Gold">Au</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Holmium(III)_oxide" title="Holmium(III) oxide">Holmium(III) oxide</a> (<a href="/wiki/Holmium" title="Holmium">Ho</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Indium(III)_oxide" title="Indium(III) oxide">Indium(III) oxide</a> (<a href="/wiki/Indium" title="Indium">In</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Iron(III)_oxide" title="Iron(III) oxide">Iron(III) oxide</a> (<a href="/wiki/Iron" title="Iron">Fe</a><sub>2</sub>O<sub>3</sub>)</li> <li><a class="mw-selflink selflink">Lanthanum oxide</a> (<a href="/wiki/Lanthanum" title="Lanthanum">La</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Lutetium(III)_oxide" title="Lutetium(III) oxide">Lutetium(III) oxide</a> (<a href="/wiki/Lutetium" title="Lutetium">Lu</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Manganese(III)_oxide" title="Manganese(III) oxide">Manganese(III) oxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Neodymium(III)_oxide" title="Neodymium(III) oxide">Neodymium(III) oxide</a> (<a href="/wiki/Neodymium" title="Neodymium">Nd</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Nickel(III)_oxide" title="Nickel(III) oxide">Nickel(III) oxide</a> (<a href="/wiki/Nickel" title="Nickel">Ni</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Phosphorus_trioxide" title="Phosphorus trioxide">Phosphorus trioxide</a> (<a href="/wiki/Phosphorus" title="Phosphorus">P</a><sub>4</sub>O<sub>6</sub>)</li> <li><a href="/wiki/Praseodymium(III)_oxide" title="Praseodymium(III) oxide">Praseodymium(III) oxide</a> (<a href="/wiki/Praseodymium" title="Praseodymium">Pr</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Promethium(III)_oxide" title="Promethium(III) oxide">Promethium(III) oxide</a> (<a href="/wiki/Promethium" title="Promethium">Pm</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Rhodium(III)_oxide" title="Rhodium(III) oxide">Rhodium(III) oxide</a> (<a href="/wiki/Rhodium" title="Rhodium">Rh</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Samarium(III)_oxide" title="Samarium(III) oxide">Samarium(III) oxide</a> (<a href="/wiki/Samarium" title="Samarium">Sm</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Scandium_oxide" title="Scandium oxide">Scandium oxide</a> (<a href="/wiki/Scandium" title="Scandium">Sc</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Terbium(III)_oxide" title="Terbium(III) oxide">Terbium(III) oxide</a> (<a href="/wiki/Terbium" title="Terbium">Tb</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Thallium(III)_oxide" title="Thallium(III) oxide">Thallium(III) oxide</a> (<a href="/wiki/Thallium" title="Thallium">Tl</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Thulium(III)_oxide" title="Thulium(III) oxide">Thulium(III) oxide</a> (<a href="/wiki/Thulium" title="Thulium">Tm</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Titanium(III)_oxide" title="Titanium(III) oxide">Titanium(III) oxide</a> (<a href="/wiki/Titanium" title="Titanium">Ti</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Tungsten(III)_oxide" title="Tungsten(III) oxide">Tungsten(III) oxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Vanadium(III)_oxide" title="Vanadium(III) oxide">Vanadium(III) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Ytterbium(III)_oxide" title="Ytterbium(III) oxide">Ytterbium(III) oxide</a> (<a href="/wiki/Ytterbium" title="Ytterbium">Yb</a><sub>2</sub>O<sub>3</sub>)</li> <li><a href="/wiki/Yttrium(III)_oxide" title="Yttrium(III) oxide">Yttrium(III) oxide</a> (<a href="/wiki/Yttrium" title="Yttrium">Y</a><sub>2</sub>O<sub>3</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+4 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Americium_dioxide" title="Americium dioxide">Americium dioxide</a> (<a href="/wiki/Americium" title="Americium">Am</a>O<sub>2</sub>)</li> <li><a href="/wiki/Berkelium(IV)_oxide" title="Berkelium(IV) oxide">Berkelium(IV) oxide</a> (<a href="/wiki/Berkelium" title="Berkelium">Bk</a>O<sub>2</sub>)</li> <li><a href="/wiki/Bromine_dioxide" title="Bromine dioxide">Bromine dioxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a>O<sub>2</sub>)</li> <li><a href="/wiki/Californium_dioxide" class="mw-redirect" title="Californium dioxide">Californium dioxide</a> (<a href="/wiki/Californium" title="Californium">Cf</a>O<sub>2</sub>)</li> <li><a href="/wiki/Carbon_dioxide" title="Carbon dioxide">Carbon dioxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>O<sub>2</sub>)</li> <li><a href="/wiki/Carbon_trioxide" title="Carbon trioxide">Carbon trioxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>O<sub>3</sub>)</li> <li><a href="/wiki/Cerium(IV)_oxide" title="Cerium(IV) oxide">Cerium(IV) oxide</a> (<a href="/wiki/Cerium" title="Cerium">Ce</a>O<sub>2</sub>)</li> <li><a href="/wiki/Chlorine_dioxide" title="Chlorine dioxide">Chlorine dioxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>O<sub>2</sub>)</li> <li><a href="/wiki/Chromium(IV)_oxide" title="Chromium(IV) oxide">Chromium(IV) oxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a>O<sub>2</sub>)</li> <li><a href="/wiki/Curium(IV)_oxide" title="Curium(IV) oxide">Curium(IV) oxide</a> (<a href="/wiki/Curium" title="Curium">Cm</a>O<sub>2</sub>)</li> <li><a href="/wiki/Dinitrogen_tetroxide" title="Dinitrogen tetroxide">Dinitrogen tetroxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a><sub>2</sub>O<sub>4</sub>)</li> <li><a href="/wiki/Germanium_dioxide" title="Germanium dioxide">Germanium dioxide</a> (<a href="/wiki/Germanium" title="Germanium">Ge</a>O<sub>2</sub>)</li> <li><a href="/wiki/Iodine_dioxide" title="Iodine dioxide">Iodine dioxide</a> (<a href="/wiki/Iodine" title="Iodine">I</a>O<sub>2</sub>)</li> <li><a href="/wiki/Iridium_dioxide" class="mw-redirect" title="Iridium dioxide">Iridium dioxide</a> (<a href="/wiki/Iridium" title="Iridium">Ir</a>O<sub>2</sub>)</li> <li><a href="/wiki/Hafnium(IV)_oxide" title="Hafnium(IV) oxide">Hafnium(IV) oxide</a> (<a href="/wiki/Hafnium" title="Hafnium">Hf</a>O<sub>2</sub>)</li> <li><a href="/wiki/Lead_dioxide" title="Lead dioxide">Lead dioxide</a> (<a href="/wiki/Lead" title="Lead">Pb</a>O<sub>2</sub>)</li> <li><a href="/wiki/Manganese_dioxide" title="Manganese dioxide">Manganese dioxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a>O<sub>2</sub>)</li> <li><a href="/wiki/Molybdenum_dioxide" title="Molybdenum dioxide">Molybdenum dioxide</a> (<a href="/wiki/Molybdenum" title="Molybdenum">Mo</a>O<sub>2</sub>)</li> <li><a href="/wiki/Neptunium(IV)_oxide" title="Neptunium(IV) oxide">Neptunium(IV) oxide</a> (<a href="/wiki/Neptunium" title="Neptunium">Np</a>O<sub>2</sub>)</li> <li><a href="/wiki/Nitrogen_dioxide" title="Nitrogen dioxide">Nitrogen dioxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>O<sub>2</sub>)</li> <li><a href="/wiki/Niobium_dioxide" title="Niobium dioxide">Niobium dioxide</a> (<a href="/wiki/Niobium" title="Niobium">Nb</a>O<sub>2</sub>)</li> <li><a href="/wiki/Osmium_dioxide" title="Osmium dioxide">Osmium dioxide</a> (<a href="/wiki/Osmium" title="Osmium">Os</a>O<sub>2</sub>)</li> <li><a href="/wiki/Platinum_dioxide" class="mw-redirect" title="Platinum dioxide">Platinum dioxide</a> (<a href="/wiki/Platinum" title="Platinum">Pt</a>O<sub>2</sub>)</li> <li><a href="/wiki/Plutonium(IV)_oxide" title="Plutonium(IV) oxide">Plutonium(IV) oxide</a> (<a href="/wiki/Plutonium" title="Plutonium">Pu</a>O<sub>2</sub>)</li> <li><a href="/wiki/Polonium_dioxide" title="Polonium dioxide">Polonium dioxide</a> (<a href="/wiki/Polonium" title="Polonium">Po</a>O<sub>2</sub>)</li> <li><a href="/wiki/Praseodymium(IV)_oxide" title="Praseodymium(IV) oxide">Praseodymium(IV) oxide</a> (<a href="/wiki/Praseodymium" title="Praseodymium">Pr</a>O<sub>2</sub>)</li> <li><a href="/wiki/Protactinium(IV)_oxide" title="Protactinium(IV) oxide">Protactinium(IV) oxide</a> (<a href="/wiki/Protactinium" title="Protactinium">Pa</a>O<sub>2</sub>)</li> <li><a href="/wiki/Rhenium(IV)_oxide" title="Rhenium(IV) oxide">Rhenium(IV) oxide</a> (<a href="/wiki/Rhenium" title="Rhenium">Re</a>O<sub>2</sub>)</li> <li><a href="/wiki/Rhodium(IV)_oxide" title="Rhodium(IV) oxide">Rhodium(IV) oxide</a> (<a href="/wiki/Rhodium" title="Rhodium">Rh</a>O<sub>2</sub>)</li> <li><a href="/wiki/Ruthenium(IV)_oxide" title="Ruthenium(IV) oxide">Ruthenium(IV) oxide</a> (<a href="/wiki/Ruthenium" title="Ruthenium">Ru</a>O<sub>2</sub>)</li> <li><a href="/wiki/Selenium_dioxide" title="Selenium dioxide">Selenium dioxide</a> (<a href="/wiki/Selenium" title="Selenium">Se</a>O<sub>2</sub>)</li> <li><a href="/wiki/Silicon_dioxide" title="Silicon dioxide">Silicon dioxide</a> (<a href="/wiki/Silicon" title="Silicon">Si</a>O<sub>2</sub>)</li> <li><a href="/wiki/Sulfur_dioxide" title="Sulfur dioxide">Sulfur dioxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a>O<sub>2</sub>)</li> <li><a href="/wiki/Technetium(IV)_oxide" title="Technetium(IV) oxide">Technetium(IV) oxide</a> (<a href="/wiki/Technetium" title="Technetium">Tc</a>O<sub>2</sub>)</li> <li><a href="/wiki/Tellurium_dioxide" title="Tellurium dioxide">Tellurium dioxide</a> (<a href="/wiki/Tellurium" title="Tellurium">Te</a>O<sub>2</sub>)</li> <li><a href="/wiki/Terbium(IV)_oxide" title="Terbium(IV) oxide">Terbium(IV) oxide</a> (<a href="/wiki/Terbium" title="Terbium">Tb</a>O<sub>2</sub>)</li> <li><a href="/wiki/Thorium_dioxide" title="Thorium dioxide">Thorium dioxide</a> (<a href="/wiki/Thorium" title="Thorium">Th</a>O<sub>2</sub>)</li> <li><a href="/wiki/Tin(IV)_oxide" title="Tin(IV) oxide">Tin dioxide</a> (<a href="/wiki/Tin" title="Tin">Sn</a>O<sub>2</sub>)</li> <li><a href="/wiki/Titanium_dioxide" title="Titanium dioxide">Titanium dioxide</a> (<a href="/wiki/Titanium" title="Titanium">Ti</a>O<sub>2</sub>)</li> <li><a href="/wiki/Tungsten(IV)_oxide" title="Tungsten(IV) oxide">Tungsten(IV) oxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a>O<sub>2</sub>)</li> <li><a href="/wiki/Uranium_dioxide" title="Uranium dioxide">Uranium dioxide</a> (<a href="/wiki/Uranium" title="Uranium">U</a>O<sub>2</sub>)</li> <li><a href="/wiki/Vanadium(IV)_oxide" title="Vanadium(IV) oxide">Vanadium(IV) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a>O<sub>2</sub>)</li> <li><a href="/wiki/Zirconium_dioxide" title="Zirconium dioxide">Zirconium dioxide</a> (<a href="/wiki/Zirconium" title="Zirconium">Zr</a>O<sub>2</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+5 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Antimony_pentoxide" title="Antimony pentoxide">Antimony pentoxide</a> (<a href="/wiki/Antimony" title="Antimony">Sb</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Arsenic_pentoxide" title="Arsenic pentoxide">Arsenic pentoxide</a> (<a href="/wiki/Arsenic" title="Arsenic">As</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Bismuth_pentoxide" title="Bismuth pentoxide">Bismuth pentoxide</a> (<a href="/wiki/Bismuth" title="Bismuth">Bi</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Dinitrogen_pentoxide" title="Dinitrogen pentoxide">Dinitrogen pentoxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Niobium_pentoxide" title="Niobium pentoxide">Niobium pentoxide</a> (<a href="/wiki/Niobium" title="Niobium">Nb</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Phosphorus_pentoxide" title="Phosphorus pentoxide">Phosphorus pentoxide</a> (<a href="/wiki/Phosphorus" title="Phosphorus">P</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Protactinium(V)_oxide" title="Protactinium(V) oxide">Protactinium(V) oxide</a> (<a href="/wiki/Protactinium" title="Protactinium">Pa</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Tantalum_pentoxide" title="Tantalum pentoxide">Tantalum pentoxide</a> (<a href="/wiki/Tantalum" title="Tantalum">Ta</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Tungsten_pentoxide" title="Tungsten pentoxide">Tungsten pentoxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a><sub>2</sub>O<sub>5</sub>)</li> <li><a href="/wiki/Vanadium(V)_oxide" title="Vanadium(V) oxide">Vanadium(V) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a><sub>2</sub>O<sub>5</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+6 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chromium_trioxide" title="Chromium trioxide">Chromium trioxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a>O<sub>3</sub>)</li> <li><a href="/wiki/Molybdenum_trioxide" title="Molybdenum trioxide">Molybdenum trioxide</a> (<a href="/wiki/Molybdenum" title="Molybdenum">Mo</a>O<sub>3</sub>)</li> <li><a href="/wiki/Polonium_trioxide" title="Polonium trioxide">Polonium trioxide</a> (<a href="/wiki/Polonium" title="Polonium">Po</a>O<sub>3</sub>)</li> <li><a href="/wiki/Rhenium_trioxide" title="Rhenium trioxide">Rhenium trioxide</a> (<a href="/wiki/Rhenium" title="Rhenium">Re</a>O<sub>3</sub>)</li> <li><a href="/wiki/Selenium_trioxide" title="Selenium trioxide">Selenium trioxide</a> (<a href="/wiki/Selenium" title="Selenium">Se</a>O<sub>3</sub>)</li> <li><a href="/wiki/Sulfur_trioxide" title="Sulfur trioxide">Sulfur trioxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a>O<sub>3</sub>)</li> <li><a href="/wiki/Tellurium_trioxide" title="Tellurium trioxide">Tellurium trioxide</a> (<a href="/wiki/Tellurium" title="Tellurium">Te</a>O<sub>3</sub>)</li> <li><a href="/wiki/Tungsten_trioxide" title="Tungsten trioxide">Tungsten trioxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a>O<sub>3</sub>)</li> <li><a href="/wiki/Uranium_trioxide" title="Uranium trioxide">Uranium trioxide</a> (<a href="/wiki/Uranium" title="Uranium">U</a>O<sub>3</sub>)</li> <li><a href="/wiki/Xenon_trioxide" title="Xenon trioxide">Xenon trioxide</a> (<a href="/wiki/Xenon" title="Xenon">Xe</a>O<sub>3</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+7 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dichlorine_heptoxide" title="Dichlorine heptoxide">Dichlorine heptoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a><sub>2</sub>O<sub>7</sub>)</li> <li><a href="/wiki/Manganese_heptoxide" title="Manganese heptoxide">Manganese heptoxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a><sub>2</sub>O<sub>7</sub>)</li> <li><a href="/wiki/Rhenium(VII)_oxide" title="Rhenium(VII) oxide">Rhenium(VII) oxide</a> (<a href="/wiki/Rhenium" title="Rhenium">Re</a><sub>2</sub>O<sub>7</sub>)</li> <li><a href="/wiki/Technetium(VII)_oxide" title="Technetium(VII) oxide">Technetium(VII) oxide</a> (<a href="/wiki/Technetium" title="Technetium">Tc</a><sub>2</sub>O<sub>7</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+8 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Iridium_tetroxide" title="Iridium tetroxide">Iridium tetroxide</a> (<a href="/wiki/Iridium" title="Iridium">Ir</a>O<sub>4</sub>)</li> <li><a href="/wiki/Osmium_tetroxide" title="Osmium tetroxide">Osmium tetroxide</a> (<a href="/wiki/Osmium" title="Osmium">Os</a>O<sub>4</sub>)</li> <li><a href="/wiki/Ruthenium_tetroxide" title="Ruthenium tetroxide">Ruthenium tetroxide</a> (<a href="/wiki/Ruthenium" title="Ruthenium">Ru</a>O<sub>4</sub>)</li> <li><a href="/wiki/Xenon_tetroxide" title="Xenon tetroxide">Xenon tetroxide</a> (<a href="/wiki/Xenon" title="Xenon">Xe</a>O<sub>4</sub>)</li> <li><a href="/wiki/Hassium_tetroxide" title="Hassium tetroxide">Hassium tetroxide</a> (<a href="/wiki/Hassium" title="Hassium">Hs</a>O<sub>4</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oxocarbon" title="Oxocarbon">Oxocarbon</a></li> <li><a href="/wiki/Suboxide" title="Suboxide">Suboxide</a></li> <li><a href="/wiki/Oxyanion" title="Oxyanion">Oxyanion</a></li> <li><a href="/wiki/Ozonide" title="Ozonide">Ozonide</a></li> <li><a href="/wiki/Peroxide" title="Peroxide">Peroxide</a></li> <li><a href="/wiki/Superoxide" title="Superoxide">Superoxide</a></li> <li><a href="/wiki/Oxypnictide" title="Oxypnictide">Oxypnictide</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>Oxides are sorted by <a href="/wiki/Oxidation_state" title="Oxidation state">oxidation state</a>. <a href="/wiki/Category:Oxides" title="Category:Oxides">Category:Oxides</a></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Lanthanum_oxide&oldid=1270843000">https://en.wikipedia.org/w/index.php?title=Lanthanum_oxide&oldid=1270843000</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Lanthanum_compounds" title="Category:Lanthanum compounds">Lanthanum 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