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Available in 15 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-15" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">15 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%8A%D9%88%D8%B1%D8%A7%D9%86%D9%88%D8%B3%D9%8A%D9%86" title="يورانوسين – Arabic" lang="ar" hreflang="ar" data-title="يورانوسين" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A7%D9%88%D8%B1%D8%A7%D9%86%D9%88%D8%B3%D9%86" title="اورانوسن – South Azerbaijani" lang="azb" hreflang="azb" data-title="اورانوسن" 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/Uranocen" title="Uranocen – Czech" lang="cs" hreflang="cs" data-title="Uranocen" 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/Uranocen" title="Uranocen – German" lang="de" hreflang="de" data-title="Uranocen" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D9%88%D8%B1%D8%A7%D9%86%D9%88%D8%B3%D9%86" title="اورانوسن – Persian" lang="fa" hreflang="fa" data-title="اورانوسن" 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/Uranoc%C3%A8ne" title="Uranocène – French" lang="fr" hreflang="fr" data-title="Uranocène" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Uranosena" title="Uranosena – Indonesian" lang="id" hreflang="id" data-title="Uranosena" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Uranocene" title="Uranocene – Italian" lang="it" hreflang="it" data-title="Uranocene" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Uranoceen" title="Uranoceen – Dutch" lang="nl" hreflang="nl" data-title="Uranoceen" 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/%E3%82%A6%E3%83%A9%E3%83%8E%E3%82%BB%E3%83%B3" title="ウラノセン – Japanese" lang="ja" hreflang="ja" data-title="ウラノセン" 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-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Uranocen" title="Uranocen – Romanian" lang="ro" hreflang="ro" data-title="Uranocen" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Uranocen" title="Uranocen – Serbian" lang="sr" hreflang="sr" data-title="Uranocen" 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/Uranocen" title="Uranocen – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Uranocen" 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/Uranoseeni" title="Uranoseeni – Finnish" lang="fi" hreflang="fi" data-title="Uranoseeni" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8F%8C%E7%8E%AF%E8%BE%9B%E5%9B%9B%E7%83%AF%E5%90%88%E9%93%80" title="双环辛四烯合铀 – Chinese" lang="zh" hreflang="zh" data-title="双环辛四烯合铀" 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 href="https://www.wikidata.org/wiki/Special:EntityPage/Q420310#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> 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td+td{width:60%}</style> <table class="infobox ib-chembox"> <caption>Uranocene </caption> <tbody><tr> <td colspan="2" class="borderless" style="text-align:center"> <table border="0" style="width:100%;display:inline-table;"> <tbody><tr> <td style="border-right:1px solid #aaa; width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Uranocene-2D-skeletal.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Uranocene-2D-skeletal.png/110px-Uranocene-2D-skeletal.png" decoding="async" width="110" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Uranocene-2D-skeletal.png/165px-Uranocene-2D-skeletal.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Uranocene-2D-skeletal.png/220px-Uranocene-2D-skeletal.png 2x" data-file-width="1007" data-file-height="1100" /></a><figcaption></figcaption></figure> </td> <td style="width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Uranocene-2D-dimensions.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Uranocene-2D-dimensions.png/110px-Uranocene-2D-dimensions.png" decoding="async" width="110" height="108" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Uranocene-2D-dimensions.png/165px-Uranocene-2D-dimensions.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Uranocene-2D-dimensions.png/220px-Uranocene-2D-dimensions.png 2x" data-file-width="1100" data-file-height="1076" /></a><figcaption></figcaption></figure> </td></tr></tbody></table> </td></tr> <tr> <td colspan="2" class="borderless" style="text-align:center"> <table border="0" style="width:100%;display:inline-table;"> <tbody><tr> <td style="border-right:1px solid #aaa; width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Uranocene-3D-vdW.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Uranocene-3D-vdW.png/110px-Uranocene-3D-vdW.png" decoding="async" width="110" height="124" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Uranocene-3D-vdW.png/165px-Uranocene-3D-vdW.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Uranocene-3D-vdW.png/220px-Uranocene-3D-vdW.png 2x" data-file-width="975" data-file-height="1100" /></a><figcaption></figcaption></figure> </td> <td style="width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Uranocene-3D-balls.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Uranocene-3D-balls.png/110px-Uranocene-3D-balls.png" decoding="async" width="110" height="136" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Uranocene-3D-balls.png/165px-Uranocene-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Uranocene-3D-balls.png/220px-Uranocene-3D-balls.png 2x" data-file-width="891" data-file-height="1100" /></a><figcaption></figcaption></figure> </td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; 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;">Bis(η<sup>8</sup>-cyclooctatetraenyl)uranium(IV)</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;">Uranium cyclooctatetraenide<br />U(COT)<sub>2</sub></div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; 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=11079-26-8">11079-26-8</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=C1%3DCC%3DCC%3DCC%3DC1.C1%3DCC%3DCC%3DCC%3DC1.%5BU%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.57575622.html">57575622</a></span><sup> <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></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/12865934">12865934</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/DTXSID40911863">DTXSID40911863</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q420310#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; background:transparent;"><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/2C8H8.U/c2*1-2-4-6-8-7-5-3-1;/h2*1-8H;/q2*-2;/b2*2-1-,5-3-,8-6-;<sup> <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 style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: RHDYKSUWBHNFEJ-GIKYMASMSA-N<sup> <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></li><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=1/2C8H8.U/c2*1-2-4-6-8-7-5-3-1;/h2*1-8H;/q2*-2;/b2*2-1-,5-3-,8-6-;</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: RHDYKSUWBHNFEJ-GIKYMASMBM</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; background:transparent;"><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%;">C1=CC=CC=CC=C1.C1=CC=CC=CC=C1.[U]</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; 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>C<sub>16</sub>H<sub>16</sub>U  </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td>446.33 g/mol    </td></tr> <tr> <td>Appearance </td> <td>green crystals<sup id="cite_ref-synth_1-0" class="reference"><a href="#cite_note-synth-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><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>pyrophoric, radioactive, and toxic </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; 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=426984115&page2=Uranocene">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>Uranocene</b>, U(C<sub>8</sub>H<sub>8</sub>)<sub>2</sub>, is an <a href="/wiki/Organouranium_compound" class="mw-redirect" title="Organouranium compound">organouranium compound</a> composed of a uranium atom sandwiched between two <a href="/wiki/Cyclooctatetraene" title="Cyclooctatetraene">cyclooctatetraenide</a> rings. It was one of the first <a href="/wiki/Organoactinide_chemistry" title="Organoactinide chemistry">organoactinide compounds</a> to be synthesized. It is a green air-sensitive solid that dissolves in organic solvents. Uranocene, a member of the "<a href="/wiki/Actinocenes" class="mw-redirect" title="Actinocenes">actinocenes</a>," a group of <a href="/wiki/Metallocene" title="Metallocene">metallocenes</a> incorporating <a href="/wiki/Chemical_element" title="Chemical element">elements</a> from the <a href="/wiki/Actinide" title="Actinide">actinide</a> series. It is the most studied bis<a href="/wiki/Cyclooctatetraene" title="Cyclooctatetraene">[8]annulene</a>-metal system, although it has no known practical applications.<sup id="cite_ref-Seyferth_2-0" class="reference"><a href="#cite_note-Seyferth-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Synthesis,_structure_and_bonding"><span id="Synthesis.2C_structure_and_bonding"></span>Synthesis, structure and bonding</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Uranocene&action=edit&section=1" title="Edit section: Synthesis, structure and bonding"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Uranocene was first described in 1968 by the group of <a href="/wiki/Andrew_Streitwieser" title="Andrew Streitwieser">Andrew Streitwieser</a>, when it was prepared by the reaction of <a href="/wiki/Dipotassium_cyclooctatetraenide" title="Dipotassium cyclooctatetraenide">dipotassium cyclooctatetraenide</a> and <a href="/wiki/Uranium_tetrachloride" title="Uranium tetrachloride">uranium tetrachloride</a> in THF at 0°C:<sup id="cite_ref-synth_1-1" class="reference"><a href="#cite_note-synth-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span typeof="mw:File"><a href="/wiki/File:Uranocene_synthesis.svg" class="mw-file-description" title="Synthesis of uranocene"><img alt="Synthesis of uranocene" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Uranocene_synthesis.svg/550px-Uranocene_synthesis.svg.png" decoding="async" width="550" height="115" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Uranocene_synthesis.svg/825px-Uranocene_synthesis.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Uranocene_synthesis.svg/1100px-Uranocene_synthesis.svg.png 2x" data-file-width="667" data-file-height="140" /></a></span></dd></dl> <p>Uranocene is highly reactive toward oxygen, being <a href="/wiki/Pyrophoricity" title="Pyrophoricity">pyrophoric</a> in air but stable to <a href="/wiki/Hydrolysis" title="Hydrolysis">hydrolysis</a>. The x-ray crystal structure of uranocene was first elucidated by the group of <a href="/wiki/Ken_Raymond" title="Ken Raymond">Ken Raymond</a>.<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> Considering the molecule to be U<sup>4+</sup>(C<sub>8</sub>H<sub>8</sub><sup>2−</sup>)<sub>2</sub>, the <a href="/wiki/Hapticity" title="Hapticity">η<sup>8</sup></a>-<a href="/wiki/Cyclooctatetraenide_anion" title="Cyclooctatetraenide anion">cyclooctatetraenide</a> groups are planar, as expected for a ring containing 10 <a href="/wiki/Conjugated_system" title="Conjugated system">π-electrons</a>, and are mutually parallel, forming a <a href="/wiki/Sandwich_compound" title="Sandwich compound">sandwich</a> containing the <a href="/wiki/Uranium" title="Uranium">uranium</a> atom. In the solid state, the rings are eclipsed, conferring <i>D<sub>8h</sub></i> symmetry on the molecule. In solution the rings rotate with a low <a href="/wiki/Activation_energy" title="Activation energy">activation energy</a>. </p><p>The uranium-cyclooctatetraenyl <a href="/wiki/Chemical_bond" title="Chemical bond">bonding</a> was shown by <a href="/wiki/Photoelectron_spectroscopy" class="mw-redirect" title="Photoelectron spectroscopy">photoelectron spectroscopy</a> to be primarily due to mixing of uranium 6d orbitals into ligand pi <a href="/wiki/Molecular_orbitals" class="mw-redirect" title="Molecular orbitals">orbitals</a> and therefore donation of electronic charge to the uranium, with a smaller such interaction involving the uranium (<i>5f</i>)<sup>2</sup> orbitals.<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> Electronic theory calculations agree with this result<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-chang_6-0" class="reference"><a href="#cite_note-chang-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and point out that the weaker interaction of the open-shell <i>5f</i> orbitals with the ligand orbitals determines |<i>M<sub>J</sub></i>|, the magnitude of the angular momentum quantum number along the 8-fold symmetry axis of the ground state.<sup id="cite_ref-chang_6-1" class="reference"><a href="#cite_note-chang-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Spectroscopic_properties">Spectroscopic properties</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Uranocene&action=edit&section=2" title="Edit section: Spectroscopic properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Uranocene is <a href="/wiki/Paramagnetic" class="mw-redirect" title="Paramagnetic">paramagnetic</a>. Its <a href="/wiki/Magnetic_susceptibility" title="Magnetic susceptibility">magnetic susceptibility</a> is consistent with values of 3 or 4 for |<i>M<sub>J</sub></i>|, with the accompanying magnetic moment being affected by the <a href="/wiki/Spin-orbit_coupling" class="mw-redirect" title="Spin-orbit coupling">spin-orbit coupling</a>.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Its <a href="/wiki/Nuclear_magnetic_resonance" title="Nuclear magnetic resonance">NMR</a> spectrum is consistent with an |<i>M<sub>J</sub></i>| value of 3.<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> Electronic theory calculations from the simplest<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> to the most accurate<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> also give |<i>M<sub>J</sub></i>| values of 3 for the ground state and 2 for the first excited state, corresponding to double-group symmetry designations<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> of <i>E<sub>3g</sub></i> and <i>E<sub>2g</sub></i> for these states. </p><p>The green color of uranocene is due to three strong transitions in its <a href="/wiki/Visible_spectrum" title="Visible spectrum">visible spectrum</a>.<sup id="cite_ref-synth_1-2" class="reference"><a href="#cite_note-synth-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-dall_12-0" class="reference"><a href="#cite_note-dall-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> In addition to finding vibrational frequencies, <a href="/wiki/Raman_Spectroscopy" class="mw-redirect" title="Raman Spectroscopy">Raman spectra</a> indicate the presence of a low-lying (<i>E<sub>2g</sub></i>) excited electronic state.<sup id="cite_ref-dall_12-1" class="reference"><a href="#cite_note-dall-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> On the basis of calculations,<sup id="cite_ref-chang_6-2" class="reference"><a href="#cite_note-chang-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> the visible transitions are assigned to transitions primarily of <i>5f</i>-to-<i>6d</i> nature, giving rise to <i>E<sub>2u</sub></i> and <i>E<sub>3u</sub></i> states. </p> <div class="mw-heading mw-heading2"><h2 id="Analogous_compounds">Analogous compounds</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Uranocene&action=edit&section=3" title="Edit section: Analogous compounds"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Analogous compounds of the form M(C<sub>8</sub>H<sub>8</sub>)<sub>2</sub> exist for M = (<a href="/wiki/Neodymium" title="Neodymium">Nd</a>, <a href="/wiki/Terbium" title="Terbium">Tb</a>, <a href="/wiki/Ytterbium" title="Ytterbium">Yb</a>, <a href="/wiki/Thorium" title="Thorium">Th</a>, <a href="/wiki/Protactinium" title="Protactinium">Pa</a>, <a href="/wiki/Neptunium" title="Neptunium">Np</a>, and <a href="/wiki/Plutonium" title="Plutonium">Pu</a>). Extensions include the air-stable derivative U(C<sub>8</sub>H<sub>4</sub>Ph<sub>4</sub>)<sub>2</sub> and the cycloheptatrienyl species [U(C<sub>7</sub>H<sub>7</sub>)<sub>2</sub>]<sup>−</sup>.<sup id="cite_ref-Seyferth_2-1" class="reference"><a href="#cite_note-Seyferth-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> In contrast, <a href="/wiki/Bis(cyclooctatetraene)iron" title="Bis(cyclooctatetraene)iron">bis(cyclooctatetraene)iron</a> has a very different structure, with one each of a η<sup>6</sup>- and η<sup>4</sup>-C<sub>8</sub>H<sub>8</sub> ligands. </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=Uranocene&action=edit&section=4" 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 reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-synth-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-synth_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-synth_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-synth_1-2"><sup><i><b>c</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 id="CITEREFStreitwieserMueller-Westerhoff1968" class="citation journal cs1">Streitwieser, A.; Mueller-Westerhoff, U. (1968). "Bis(cyclooctatetraenyl)uranium (uranocene). A new class of sandwich complexes that utilize atomic f orbitals". <i><a href="/wiki/J._Am._Chem._Soc." class="mw-redirect" title="J. Am. Chem. Soc.">J. Am. Chem. Soc.</a></i> <b>90</b> (26): 7364. <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%2Fja01028a044">10.1021/ja01028a044</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Am.+Chem.+Soc.&rft.atitle=Bis%28cyclooctatetraenyl%29uranium+%28uranocene%29.+A+new+class+of+sandwich+complexes+that+utilize+atomic+f+orbitals&rft.volume=90&rft.issue=26&rft.pages=7364&rft.date=1968&rft_id=info%3Adoi%2F10.1021%2Fja01028a044&rft.aulast=Streitwieser&rft.aufirst=A.&rft.au=Mueller-Westerhoff%2C+U.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" class="Z3988"></span></span> </li> <li id="cite_note-Seyferth-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Seyferth_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Seyferth_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="CITEREFSeyferth2004" class="citation journal cs1">Seyferth, D. (2004). <a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fom0400705">"Uranocene. The First Member of a New Class of Organometallic Derivatives of the f Elements"</a>. <i><a href="/wiki/Organometallics" title="Organometallics">Organometallics</a></i>. <b>23</b> (15): 3562–3583. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fom0400705">10.1021/om0400705</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Organometallics&rft.atitle=Uranocene.+The+First+Member+of+a+New+Class+of+Organometallic+Derivatives+of+the+f+Elements&rft.volume=23&rft.issue=15&rft.pages=3562-3583&rft.date=2004&rft_id=info%3Adoi%2F10.1021%2Fom0400705&rft.aulast=Seyferth&rft.aufirst=D.&rft_id=https%3A%2F%2Fdoi.org%2F10.1021%252Fom0400705&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" 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="CITEREFZalkinRaymond1969" class="citation journal cs1">Zalkin, Allan; Raymond, Kenneth N. (1969). <a rel="nofollow" class="external text" href="https://pubs.acs.org/doi/abs/10.1021/ja01048a055">"Structure of di-.pi.-cyclooctatetraeneuranium (uranocene)"</a>. <i>Journal of the American Chemical Society</i>. <b>91</b> (20): 5667–5668. <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%2Fja01048a055">10.1021/ja01048a055</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0002-7863">0002-7863</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+the+American+Chemical+Society&rft.atitle=Structure+of+di-.pi.-cyclooctatetraeneuranium+%28uranocene%29&rft.volume=91&rft.issue=20&rft.pages=5667-5668&rft.date=1969&rft_id=info%3Adoi%2F10.1021%2Fja01048a055&rft.issn=0002-7863&rft.aulast=Zalkin&rft.aufirst=Allan&rft.au=Raymond%2C+Kenneth+N.&rft_id=https%3A%2F%2Fpubs.acs.org%2Fdoi%2Fabs%2F10.1021%2Fja01048a055&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" 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="CITEREFClarkGreen1977" class="citation journal cs1">Clark, J. P.; Green, J. C. (1977). "An Investigation of the Electronic Structure of Bis(<i>eta</i>-cyclo-octatetraene)-actinoids by Helium-(I) and -(II) Photoelectron Spectroscopy". <i><a href="/wiki/J._Chem._Soc.,_Dalton_Trans." class="mw-redirect" title="J. Chem. Soc., Dalton Trans.">J. Chem. Soc., Dalton Trans.</a></i> (5): 505–508. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FDT9770000505">10.1039/DT9770000505</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Chem.+Soc.%2C+Dalton+Trans.&rft.atitle=An+Investigation+of+the+Electronic+Structure+of+Bis%28eta-cyclo-octatetraene%29-actinoids+by+Helium-%28I%29+and+-%28II%29+Photoelectron+Spectroscopy&rft.issue=5&rft.pages=505-508&rft.date=1977&rft_id=info%3Adoi%2F10.1039%2FDT9770000505&rft.aulast=Clark&rft.aufirst=J.+P.&rft.au=Green%2C+J.+C.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" 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="CITEREFRoeschStreitwieser1983" class="citation journal cs1">Roesch, N.; Streitwieser, A. (1983). "Quasirelativistic SCF-X<i>alpha</i> Scattered-Wave Study of Uranocene, Thorocene, and Cerocene". <i><a href="/wiki/J._Am._Chem._Soc." class="mw-redirect" title="J. Am. Chem. Soc.">J. Am. Chem. Soc.</a></i> <b>105</b> (25): 7237–7240. <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%2Fja00363a004">10.1021/ja00363a004</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Am.+Chem.+Soc.&rft.atitle=Quasirelativistic+SCF-Xalpha+Scattered-Wave+Study+of+Uranocene%2C+Thorocene%2C+and+Cerocene&rft.volume=105&rft.issue=25&rft.pages=7237-7240&rft.date=1983&rft_id=info%3Adoi%2F10.1021%2Fja00363a004&rft.aulast=Roesch&rft.aufirst=N.&rft.au=Streitwieser%2C+A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" class="Z3988"></span></span> </li> <li id="cite_note-chang-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-chang_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-chang_6-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-chang_6-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChangPitzer1989" class="citation journal cs1">Chang, A. H. H.; Pitzer, R. M. (1989). "Electronic Structure and Spectra of Uranocene". <i><a href="/wiki/J._Am._Chem._Soc." class="mw-redirect" title="J. Am. Chem. Soc.">J. Am. Chem. Soc.</a></i> <b>111</b> (7): 2500–2507. <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%2Fja00189a022">10.1021/ja00189a022</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Am.+Chem.+Soc.&rft.atitle=Electronic+Structure+and+Spectra+of+Uranocene&rft.volume=111&rft.issue=7&rft.pages=2500-2507&rft.date=1989&rft_id=info%3Adoi%2F10.1021%2Fja00189a022&rft.aulast=Chang&rft.aufirst=A.+H.+H.&rft.au=Pitzer%2C+R.+M.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKarrakerStoneJonesEdelstein1970" class="citation journal cs1">Karraker, D. G.; Stone, J. 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Phys.</a></i> <b>92</b> (16): 4841–4845. <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%2Fja00719a014">10.1021/ja00719a014</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Chem.+Phys.&rft.atitle=Bis%28cyclooctatetraenyl%29neptunium%28IV%29+and+Bis%28cyclooctatetraenyl%29plutonium%28IV%29&rft.volume=92&rft.issue=16&rft.pages=4841-4845&rft.date=1970&rft_id=info%3Adoi%2F10.1021%2Fja00719a014&rft.aulast=Karraker&rft.aufirst=D.+G.&rft.au=Stone%2C+J.+A.&rft.au=Jones%2C+E.+R.&rft.au=Edelstein%2C+N.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" 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="CITEREFFischer1979" class="citation book cs1">Fischer, R. 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G.; Edelstein, N. (1972). "An Elementary Molecular Orbital Calculation on U(C<sub>8</sub>H<sub>8</sub>)<sub>2</sub> and Its Application to the Electronic Structure of U(C<sub>8</sub>H<sub>8</sub>)<sub>2</sub>, Np(C<sub>8</sub>H<sub>8</sub>)<sub>2</sub>. and Pu(C<sub>8</sub>H<sub>8</sub>)<sub>2</sub>". <i>J. Am. Chem. Soc</i>. <b>94</b> (25): 8688–8691. <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%2Fja00780a008">10.1021/ja00780a008</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Am.+Chem.+Soc.&rft.atitle=An+Elementary+Molecular+Orbital+Calculation+on+U%28C%3Csub%3E8%3C%2Fsub%3EH%3Csub%3E8%3C%2Fsub%3E%29%3Csub%3E2%3C%2Fsub%3E+and+Its+Application+to+the+Electronic+Structure+of+U%28C%3Csub%3E8%3C%2Fsub%3EH%3Csub%3E8%3C%2Fsub%3E%29%3Csub%3E2%3C%2Fsub%3E%2C+Np%28C%3Csub%3E8%3C%2Fsub%3EH%3Csub%3E8%3C%2Fsub%3E%29%3Csub%3E2%3C%2Fsub%3E.+and+Pu%28C%3Csub%3E8%3C%2Fsub%3EH%3Csub%3E8%3C%2Fsub%3E%29%3Csub%3E2%3C%2Fsub%3E&rft.volume=94&rft.issue=25&rft.pages=8688-8691&rft.date=1972&rft_id=info%3Adoi%2F10.1021%2Fja00780a008&rft.aulast=Hayes&rft.aufirst=R.+G.&rft.au=Edelstein%2C+N.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" 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="CITEREFLiuDolgFulde1997" class="citation journal cs1">Liu, W.; Dolg, M.; Fulde, P. 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Phys.</a></i> <b>107</b> (9): 3584–3591. <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/1997JChPh.107.3584L">1997JChPh.107.3584L</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%2F1.474698">10.1063/1.474698</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Chem.+Phys.&rft.atitle=Low-lying+electronic+states+of+lanthanocenes+and+actinocenes+M%28C%3Csub%3E8%3C%2Fsub%3EH%3Csub%3E8%3C%2Fsub%3E%29%3Csub%3E2%3C%2Fsub%3E+%28M%3DNd%2C+Tb%2C+Yb%2C+U%29&rft.volume=107&rft.issue=9&rft.pages=3584-3591&rft.date=1997&rft_id=info%3Adoi%2F10.1063%2F1.474698&rft_id=info%3Abibcode%2F1997JChPh.107.3584L&rft.aulast=Liu&rft.aufirst=W.&rft.au=Dolg%2C+M.&rft.au=Fulde%2C+P.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHerzberg1966" class="citation book cs1">Herzberg, G. (1966). <i>Molecular Spectra and Molecular Structure III. Electronic Spectra and Electronic Structure of Polyatomic Molecules</i>. Princeton, New Jersey: D. Van Nostrand. p. 566.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Molecular+Spectra+and+Molecular+Structure+III.+Electronic+Spectra+and+Electronic+Structure+of+Polyatomic+Molecules&rft.place=Princeton%2C+New+Jersey&rft.pages=566&rft.pub=D.+Van+Nostrand&rft.date=1966&rft.aulast=Herzberg&rft.aufirst=G.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" class="Z3988"></span></span> </li> <li id="cite_note-dall-12"><span class="mw-cite-backlink">^ <a href="#cite_ref-dall_12-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-dall_12-1"><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="CITEREFDallingerSteinSpiro1978" class="citation journal cs1">Dallinger, R. F.; Stein, P.; Spiro, T. G. (1978). "Resonance Raman Spectroscopy of Uranocene: Observation of an Anomalously Polarized Electronic Band and Assignment of Energy Levels". <i><a href="/wiki/J._Am._Chem._Soc." class="mw-redirect" title="J. Am. Chem. Soc.">J. Am. Chem. Soc.</a></i> <b>100</b> (25): 7865–7870. <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%2Fja00493a013">10.1021/ja00493a013</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Am.+Chem.+Soc.&rft.atitle=Resonance+Raman+Spectroscopy+of+Uranocene%3A+Observation+of+an+Anomalously+Polarized+Electronic+Band+and+Assignment+of+Energy+Levels&rft.volume=100&rft.issue=25&rft.pages=7865-7870&rft.date=1978&rft_id=info%3Adoi%2F10.1021%2Fja00493a013&rft.aulast=Dallinger&rft.aufirst=R.+F.&rft.au=Stein%2C+P.&rft.au=Spiro%2C+T.+G.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHagerZahardisPagniCompton2004" class="citation journal cs1">Hager, J. S.; Zahardis, J.; Pagni, R. M.; et al. (2004). "Raman under nitrogen. The high-resolution Raman spectroscopy of crystalline uranocene, thorocene, and ferrocene". <i><a href="/wiki/J._Chem._Phys." class="mw-redirect" title="J. Chem. Phys.">J. Chem. Phys.</a></i> <b>120</b> (6): 2708–2718. <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/2004JChPh.120.2708H">2004JChPh.120.2708H</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%2F1.1637586">10.1063/1.1637586</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/15268415">15268415</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Chem.+Phys.&rft.atitle=Raman+under+nitrogen.+The+high-resolution+Raman+spectroscopy+of+crystalline+uranocene%2C+thorocene%2C+and+ferrocene&rft.volume=120&rft.issue=6&rft.pages=2708-2718&rft.date=2004&rft_id=info%3Apmid%2F15268415&rft_id=info%3Adoi%2F10.1063%2F1.1637586&rft_id=info%3Abibcode%2F2004JChPh.120.2708H&rft.aulast=Hager&rft.aufirst=J.+S.&rft.au=Zahardis%2C+J.&rft.au=Pagni%2C+R.+M.&rft.au=Compton%2C+R.+N.&rft.au=Li%2C+J.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUranocene" class="Z3988"></span></span> </li> </ol></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Uranocene" class="extiw" title="commons:Category:Uranocene">uranocene</a></span>.</div></div> </div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Uranocene&action=edit&section=5" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><i>The f elements</i>, Nikolas Kaltsoyannis and Peter Scott. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-19-850467-5" title="Special:BookSources/0-19-850467-5">0-19-850467-5</a></li> <li><i>Chemistry of the Elements</i>, N. N. Greenwood and A. Earnshaw. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-08-022057-6" title="Special:BookSources/0-08-022057-6">0-08-022057-6</a></li> <li><a rel="nofollow" class="external text" href="http://www.radiochemistry.org/periodictable/la_series/A12.html">Lanthanides & Actinides: Organoactinides</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl 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href="/wiki/Special:EditPage/Template:Uranium_compounds" title="Special:EditPage/Template:Uranium compounds"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Uranium_compounds" style="font-size:114%;margin:0 4em"><a href="/wiki/Uranium_compounds" title="Uranium compounds">Uranium compounds</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">U(II)</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/Uranium_diboride" title="Uranium diboride">UB<sub>2</sub></a></li> <li><a href="/wiki/Uranium_monosulfide" title="Uranium monosulfide">US</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">U(III)</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/Uranium_trifluoride" title="Uranium trifluoride">UF<sub>3</sub></a></li> <li><a href="/wiki/Uranium(III)_chloride" title="Uranium(III) chloride">UCl<sub>3</sub></a></li> <li><a href="/wiki/Uranium(III)_bromide" title="Uranium(III) bromide">UBr<sub>3</sub></a></li> <li><a href="/wiki/Uranium(III)_iodide" title="Uranium(III) iodide">UI<sub>3</sub></a></li> <li><a href="/wiki/Uranium_monophosphide" title="Uranium monophosphide">UP</a></li> <li><a href="/w/index.php?title=Uranium(III)_hydroxide&action=edit&redlink=1" class="new" title="Uranium(III) hydroxide (page does not exist)">U(OH)<sub>3</sub></a></li> <li><a href="/wiki/Uranium(III)_hydride" title="Uranium(III) hydride">UH<sub>3</sub></a></li> <li><a href="/wiki/Uranium_nitrides" title="Uranium nitrides">UN</a></li></ul></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Organouranium(III)_compounds" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Organouranium_chemistry" title="Organouranium chemistry">Organouranium</a>(III) compounds</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <li><a href="/wiki/Organouranium_chemistry" title="Organouranium chemistry">U(C<sub>5</sub>H<sub>5</sub>)<sub>3</sub></a></li> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Uranium(IV)_compounds" title="Uranium(IV) compounds">U(IV)</a></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/Uranium_borohydride" title="Uranium borohydride">U(BH<sub>4</sub>)<sub>4</sub></a></li> <li><a href="/wiki/Uranium_carbide" title="Uranium carbide">UC</a></li> <li><a href="/wiki/Uranium_tetrachloride" title="Uranium tetrachloride">UCl<sub>4</sub></a></li> <li><a href="/wiki/Uranium_tetrafluoride" title="Uranium tetrafluoride">UF<sub>4</sub></a></li> <li><a href="/wiki/Uranium_tetrabromide" title="Uranium tetrabromide">UBr<sub>4</sub></a></li> <li><a href="/wiki/Uranium(IV)_iodide" title="Uranium(IV) iodide">UI<sub>4</sub></a></li> <li><a href="/wiki/Uranium_dioxide" title="Uranium dioxide">UO<sub>2</sub></a></li> <li><a href="/wiki/Uranium(IV)_hydride" title="Uranium(IV) hydride">UH<sub>4</sub></a></li> <li><a href="/wiki/Uranium_disilicide" title="Uranium disilicide">USi<sub>2</sub></a></li> <li><a href="/wiki/Uranium_disulfide" title="Uranium disulfide">US<sub>2</sub></a></li> <li><a href="/wiki/Uranium_diselenide" title="Uranium diselenide">USe<sub>2</sub></a></li> <li><a href="/wiki/Uranium_ditelluride" title="Uranium ditelluride">UTe<sub>2</sub></a></li> <li><a href="/wiki/Uranium(IV)_sulfate" title="Uranium(IV) sulfate">U(SO<sub>4</sub>)<sub>2</sub></a></li></ul></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Organouranium(IV)_compounds" scope="row" class="navbox-group" style="width:1%">Organouranium(IV) compounds</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <li><a class="mw-selflink selflink">U(C<sub>8</sub>H<sub>8</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Tetrakis(cyclopentadienyl)uranium(IV)" title="Tetrakis(cyclopentadienyl)uranium(IV)">U(C<sub>5</sub>H<sub>5</sub>)<sub>4</sub></a></li> <li><a href="/wiki/Organouranium_chemistry" title="Organouranium chemistry">U(C<sub>5</sub>H<sub>5</sub>)<sub>3</sub>Cl</a></li> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">U(IV,V)</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/Uranium_nitrides" title="Uranium nitrides">U<sub>2</sub>N<sub>3</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">U(IV,VI)</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/Triuranium_octoxide" title="Triuranium octoxide">U<sub>3</sub>O<sub>8</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">U(V)</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/Uranium_pentachloride" title="Uranium pentachloride">UCl<sub>5</sub></a></li> <li><a href="/wiki/Uranium_pentafluoride" title="Uranium pentafluoride">UF<sub>5</sub></a></li> <li><a href="/wiki/Uranium_pentabromide" title="Uranium pentabromide">UBr<sub>5</sub></a></li> <li><i><a href="/wiki/Uranium#Halides" title="Uranium">UI<sub>5</sub></a></i></li> <li><a href="/wiki/Diuranium_pentoxide" title="Diuranium pentoxide">U<sub>2</sub>O<sub>5</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">U(VI)</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/Ammonium_diuranate" title="Ammonium diuranate">(NH<sub>4</sub>)<sub>2</sub>U<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Sodium_diuranate" title="Sodium diuranate">Na<sub>2</sub>U<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Uranium_hexachloride" title="Uranium hexachloride">UCl<sub>6</sub></a></li> <li><a href="/wiki/Uranium_hexafluoride" title="Uranium hexafluoride">UF<sub>6</sub></a></li> <li><a href="/wiki/Uranium_phosphate" class="mw-redirect" title="Uranium phosphate">U(PO<sub>4</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Uranium_trioxide" title="Uranium trioxide">UO<sub>3</sub></a></li> <li><a href="/wiki/Uranyl_peroxide" title="Uranyl peroxide">UO<sub>4</sub></a></li> <li><a href="/wiki/Uranyl_acetate" title="Uranyl acetate">UO<sub>2</sub>(CH<sub>3</sub>COO)<sub>2</sub></a></li> <li><a href="/wiki/Uranyl_formate" title="Uranyl formate">UO<sub>2</sub>(CHO<sub>2</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Uranyl_carbonate" title="Uranyl carbonate">UO<sub>2</sub>CO<sub>3</sub></a></li> <li><a href="/wiki/Ammonium_uranyl_carbonate" title="Ammonium uranyl carbonate">UO<sub>2</sub>CO<sub>3</sub>·2(NH<sub>4</sub>)<sub>2</sub>CO<sub>3</sub></a></li> <li><a href="/wiki/Uranyl_chloride" title="Uranyl chloride">UO<sub>2</sub>Cl<sub>2</sub></a></li> <li><a href="/wiki/Uranyl_fluoride" title="Uranyl fluoride">UO<sub>2</sub>F<sub>2</sub></a></li> <li><a href="/wiki/Uranyl_nitrate" title="Uranyl nitrate">UO<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Uranyl_hydroxide" title="Uranyl hydroxide">UO<sub>2</sub>(OH)<sub>2</sub></a></li> <li><a href="/wiki/Uranyl_hydroxide" title="Uranyl hydroxide">(UO<sub>2</sub>)<sub>2</sub>(OH)<sub>4</sub></a></li> <li><a href="/wiki/Uranyl_sulfate" title="Uranyl sulfate">UO<sub>2</sub>(SO<sub>4</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Uranyl_zinc_acetate" title="Uranyl zinc acetate">ZnUO<sub>2</sub>(CH<sub>3</sub>COO)<sub>4</sub></a></li> <li><a href="/wiki/Uranium_nitrides" title="Uranium nitrides">UN<sub>2</sub></a></li> <li><a href="/w/index.php?title=Uranic_acid&action=edit&redlink=1" class="new" title="Uranic acid (page does not exist)">H<sub>2</sub>UO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Tetrasodium_tricarbonatodioxouranate&action=edit&redlink=1" class="new" title="Tetrasodium tricarbonatodioxouranate (page does not exist)">Na<sub>4</sub>UO<sub>2</sub>(CO<sub>3</sub>)<sub>3</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">U(XII)</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><i><a href="/wiki/Uranium_hexoxide" title="Uranium hexoxide">UO<sub>6</sub></a> (hypothetical)</i></li></ul> </div></td></tr></tbody></table></div> <div 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