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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable selfref">See also the categories <a href="/wiki/Category:Scandium_compounds" title="Category:Scandium compounds">Scandium compounds</a> and <a href="/wiki/Category:Scandium_minerals" title="Category:Scandium minerals">Scandium minerals</a></div> <dl><dd><table class="wikitable" style="float:right"> <caption>Ionic radii (pm) </caption> <tbody><tr> <td><a href="/wiki/Aluminium" title="Aluminium">Al</a></td> <td>Sc</td> <td><a href="/wiki/Yttrium" title="Yttrium">Y</a></td> <td><a href="/wiki/Lanthanum" title="Lanthanum">La</a></td> <td><a href="/wiki/Lutetium" title="Lutetium">Lu</a> </td></tr> <tr> <td>53.5</td> <td>74.5</td> <td>90.0</td> <td>103.2</td> <td>86.1 </td></tr></tbody></table></dd></dl> <p><b>Scandium compounds</b> are compounds containing the element <a href="/wiki/Scandium" title="Scandium">scandium</a>. The chemistry of scandium is almost completely dominated by the trivalent ion, Sc<sup>3+</sup>, due to its <a href="/wiki/Electron_configuration" title="Electron configuration">electron configuration</a>, [Ar] 3d<sup>1</sup>4s<sup>2</sup>. The radii of M<sup>3+</sup> ions in the table below indicate that the chemical properties of scandium ions have more in common with yttrium ions than with aluminium ions. In part because of this similarity, scandium is often classified as a lanthanide-like element. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="+3_oxidation_state"><span id=".2B3_oxidation_state"></span>+3 oxidation state</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scandium_compounds&action=edit&section=1" title="Edit section: +3 oxidation state"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Oxides_and_hydroxides">Oxides and hydroxides</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scandium_compounds&action=edit&section=2" title="Edit section: Oxides and hydroxides"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The oxide <a href="/wiki/Scandium_oxide" title="Scandium oxide"><span class="chemf nowrap">Sc<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">3</sub></span></span></span></a> and the hydroxide <a href="/wiki/Scandium(III)_hydroxide" title="Scandium(III) hydroxide"><span class="chemf nowrap">Sc(OH)<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> are <a href="/wiki/Amphoteric" class="mw-redirect" title="Amphoteric">amphoteric</a>:<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="chemf nowrap">Sc(OH)<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> + 3 <span class="chemf nowrap">OH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;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"></sub></span></span></span> → <span class="chemf nowrap">[Sc(OH)<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 class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">3−</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></span> (scandate ion)</dd> <dd><span class="chemf nowrap">Sc(OH)<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> + 3 <span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;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"></sub></span></span></span> + 3 <span class="chemf nowrap">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">2</sub></span></span>O</span> → <span class="chemf nowrap">[Sc(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">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">6</sub></span></span>]<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">3+</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></span></dd></dl> <p>α- and γ-ScOOH are isostructural with their <a href="/wiki/Aluminium_hydroxide_oxide" title="Aluminium hydroxide oxide">aluminium hydroxide oxide</a> counterparts.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Solutions of <span class="chemf nowrap">Sc<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:0.8em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">3+</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sub></span></span></span> in water are acidic due to <a href="/wiki/Hydrolysis" title="Hydrolysis">hydrolysis</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Halides_and_pseudohalides">Halides and pseudohalides</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scandium_compounds&action=edit&section=3" title="Edit section: Halides and pseudohalides"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Halide" title="Halide">halides</a> <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">ScX<sub class="template-chem2-sub">3</sub></span>, where X= <a href="/wiki/Scandium_chloride" title="Scandium chloride">Cl</a>, <a href="/wiki/Scandium_bromide" title="Scandium bromide">Br</a>, or <a href="/wiki/Scandium_triiodide" title="Scandium triiodide">I</a>, are very soluble in water, but <a href="/wiki/Scandium_fluoride" title="Scandium fluoride"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">ScF<sub class="template-chem2-sub">3</sub></span></a> is insoluble. In all four halides, the scandium is 6-coordinated. They can be prepared by reacting scandium oxide or scandium hydroxide with the corresponding acid:<sup id="cite_ref-scx_3-0" class="reference"><a href="#cite_note-scx-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>Sc(OH)<sub>3</sub> + 3 HX → ScX<sub>3</sub> + 3 H<sub>2</sub>O</dd></dl> <p>The halides are <a href="/wiki/Lewis_acids" class="mw-redirect" title="Lewis acids">Lewis acids</a>; for example, <a href="/wiki/Scandium_fluoride" title="Scandium fluoride"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">ScF<sub class="template-chem2-sub">3</sub></span></a> dissolves in a solution containing excess fluoride ion to form <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[ScF<sub class="template-chem2-sub">6</sub>]<sup>3−</sup></span>. The coordination number 6 is typical for Sc(III). In the larger Y<sup>3+</sup> and La<sup>3+</sup> ions, <a href="/wiki/Coordination_number" title="Coordination number">coordination numbers</a> of 8 and 9 are common. <a href="/wiki/Scandium_triflate" class="mw-redirect" title="Scandium triflate">Scandium triflate</a> is sometimes used as a <a href="/wiki/Lewis_acid" class="mw-redirect" title="Lewis acid">Lewis acid</a> catalyst in <a href="/wiki/Organic_chemistry" title="Organic chemistry">organic chemistry</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Other_oxidation_states">Other oxidation states</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scandium_compounds&action=edit&section=4" title="Edit section: Other oxidation states"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Compounds that feature scandium in oxidation states other than +3 are rare but well characterized. The blue-black compound <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CsScCl<sub class="template-chem2-sub">3</sub></span> is one of the simplest. This material adopts a sheet-like structure that exhibits extensive bonding between the scandium(II) centers.<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> <a href="/wiki/Scandium_hydride" title="Scandium hydride">Scandium hydride</a> is not well understood, although it appears not to be a <a href="/wiki/Hydride" title="Hydride">saline hydride</a> of Sc(II).<sup id="cite_ref-McGuire_5-0" class="reference"><a href="#cite_note-McGuire-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> As is observed for most elements, a diatomic scandium hydride has been observed spectroscopically at high temperatures in the gas phase.<sup id="cite_ref-Smith_6-0" class="reference"><a href="#cite_note-Smith-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Scandium borides and carbides are <a href="/wiki/Non-stoichiometric_compound" title="Non-stoichiometric compound">non-stoichiometric</a>, as is typical for neighboring elements.<sup id="cite_ref-Holleman_7-0" class="reference"><a href="#cite_note-Holleman-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>Lower oxidation states (+2, +1, 0) have also been observed in organoscandium compounds.<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><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><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><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> </p> <div class="mw-heading mw-heading2"><h2 id="Organic_derivatives">Organic derivatives</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scandium_compounds&action=edit&section=5" title="Edit section: Organic derivatives"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Organoscandium_chemistry" title="Organoscandium chemistry">Organoscandium chemistry</a></div> <p>Scandium forms a series of organometallic compounds with <a href="/wiki/Cyclopentadienyl_complex" title="Cyclopentadienyl complex">cyclopentadienyl</a> ligands (Cp), similar to the behavior of the lanthanides. One example is the chlorine-bridged dimer, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[ScCp<sub class="template-chem2-sub">2</sub>Cl]<sub class="template-chem2-sub">2</sub></span> and related derivatives of <a href="/wiki/Pentamethylcyclopentadienyl" class="mw-redirect" title="Pentamethylcyclopentadienyl">pentamethylcyclopentadienyl</a> ligands.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scandium_compounds&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Yttrium_compounds" title="Yttrium compounds">Yttrium compounds</a></li> <li><a href="/wiki/Titanium_compounds" title="Titanium compounds">Titanium compounds</a></li></ul> <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=Scandium_compounds&action=edit&section=7" 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 mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></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="CITEREFCotton,_Simon2006" class="citation book cs1">Cotton, Simon (2006). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=lvQpiVHrb78C&pg=PA108"><i>Lanthanide and actinide chemistry</i></a>. John Wiley and Sons. pp. 108–. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-470-01006-8" title="Special:BookSources/978-0-470-01006-8"><bdi>978-0-470-01006-8</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">2011-06-23</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Lanthanide+and+actinide+chemistry&rft.pages=108-&rft.pub=John+Wiley+and+Sons&rft.date=2006&rft.isbn=978-0-470-01006-8&rft.au=Cotton%2C+Simon&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DlvQpiVHrb78C%26pg%3DPA108&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScandium+compounds" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChristensenStig_Jorgo_Jensen1967" class="citation journal cs1">Christensen, A. Nørlund; Stig Jorgo Jensen (1967). <a rel="nofollow" class="external text" href="https://doi.org/10.3891%2Facta.chem.scand.21-0121">"Hydrothermal Preparation of α-ScOOH and of γ-ScOOH. Crystal Structure of α-ScOOH"</a>. <i>Acta Chemica Scandinavica</i>. <b>21</b>: 1121–126. <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/10.3891%2Facta.chem.scand.21-0121">10.3891/acta.chem.scand.21-0121</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Acta+Chemica+Scandinavica&rft.atitle=Hydrothermal+Preparation+of+%CE%B1-ScOOH+and+of+%CE%B3-ScOOH.+Crystal+Structure+of+%CE%B1-ScOOH&rft.volume=21&rft.pages=1121-126&rft.date=1967&rft_id=info%3Adoi%2F10.3891%2Facta.chem.scand.21-0121&rft.aulast=Christensen&rft.aufirst=A.+N%C3%B8rlund&rft.au=Stig+Jorgo+Jensen&rft_id=https%3A%2F%2Fdoi.org%2F10.3891%252Facta.chem.scand.21-0121&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScandium+compounds" class="Z3988"></span></span> </li> <li id="cite_note-scx-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-scx_3-0">^</a></b></span> <span class="reference-text">无机化学丛书. pp 35. 3.2 卤化钪.</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="CITEREFCorbett1981" class="citation journal cs1">Corbett, J. 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"Extended metal-metal bonding in halides of the early transition metals". <i>Accounts of Chemical Research</i>. <b>14</b> (8): 239–246. <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%2Far00068a003">10.1021/ar00068a003</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Accounts+of+Chemical+Research&rft.atitle=Extended+metal-metal+bonding+in+halides+of+the+early+transition+metals&rft.volume=14&rft.issue=8&rft.pages=239-246&rft.date=1981&rft_id=info%3Adoi%2F10.1021%2Far00068a003&rft.aulast=Corbett&rft.aufirst=J.+D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScandium+compounds" class="Z3988"></span></span> </li> <li id="cite_note-McGuire-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-McGuire_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMcGuireKempter,_Charles_P.1960" class="citation journal cs1">McGuire, Joseph C.; Kempter, Charles P. (1960). <a rel="nofollow" class="external text" href="https://doi.org/10.1063%2F1.1731452">"Preparation and Properties of Scandium Dihydride"</a>. <i>Journal of Chemical Physics</i>. <b>33</b> (5): 1584–1585. <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/1960JChPh..33.1584M">1960JChPh..33.1584M</a>. <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/10.1063%2F1.1731452">10.1063/1.1731452</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Chemical+Physics&rft.atitle=Preparation+and+Properties+of+Scandium+Dihydride&rft.volume=33&rft.issue=5&rft.pages=1584-1585&rft.date=1960&rft_id=info%3Adoi%2F10.1063%2F1.1731452&rft_id=info%3Abibcode%2F1960JChPh..33.1584M&rft.aulast=McGuire&rft.aufirst=Joseph+C.&rft.au=Kempter%2C+Charles+P.&rft_id=https%3A%2F%2Fdoi.org%2F10.1063%252F1.1731452&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScandium+compounds" class="Z3988"></span></span> </li> <li id="cite_note-Smith-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-Smith_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSmith1973" class="citation journal cs1">Smith, R. E. (1973). "Diatomic Hydride and Deuteride Spectra of the Second Row Transition Metals". <i>Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences</i>. <b>332</b> (1588): 113–127. <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/1973RSPSA.332..113S">1973RSPSA.332..113S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frspa.1973.0015">10.1098/rspa.1973.0015</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:96908213">96908213</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings+of+the+Royal+Society+of+London.+Series+A%2C+Mathematical+and+Physical+Sciences&rft.atitle=Diatomic+Hydride+and+Deuteride+Spectra+of+the+Second+Row+Transition+Metals&rft.volume=332&rft.issue=1588&rft.pages=113-127&rft.date=1973&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A96908213%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1098%2Frspa.1973.0015&rft_id=info%3Abibcode%2F1973RSPSA.332..113S&rft.aulast=Smith&rft.aufirst=R.+E.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScandium+compounds" class="Z3988"></span></span> </li> <li id="cite_note-Holleman-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-Holleman_7-0">^</a></b></span> <span class="reference-text">Holleman, A. 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"The first stable scandocene: synthesis and characterisation of bis(η-2,4,5-tri-tert-butyl-1,3-diphosphacyclopentadienyl)scandium(II)". <i>Chemical Communications</i> (7): 797–798. <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%2FA800089A">10.1039/A800089A</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Chemical+Communications&rft.atitle=The+first+stable+scandocene%3A+synthesis+and+characterisation+of+bis%28%CE%B7-2%2C4%2C5-tri-tert-butyl-1%2C3-diphosphacyclopentadienyl%29scandium%28II%29&rft.issue=7&rft.pages=797-798&rft.date=1998&rft_id=info%3Adoi%2F10.1039%2FA800089A&rft.au=Polly+L.+Arnold&rft.au=F.+Geoffrey&rft.au=N.+Cloke&rft.au=John+F.+Nixon&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScandium+compounds" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFShapiro1994" class="citation journal cs1">Shapiro, Pamela J.; et al. (1994). <a rel="nofollow" class="external text" href="https://authors.library.caltech.edu/records/t7dr7-xbe20/files/ja00090a011_si_001.pdf?download=1">"Model Ziegler-Natta <i>α</i>-Olefin Polymerization Catalysts Derived from [{(η<sup>5</sup>-C<sub>5</sub>Me<sub>4</sub>)SiMe<sub>2</sub>(η<sup>1</sup>-NCMe<sub>3</sub>)}(PMe<sub>3</sub>)Sc(μ<sub>2</sub>-H)]<sub>2</sub> and [{(η<sup>5</sup>C<sub>5</sub>Me<sub>4</sub>)SiMe<sub>2</sub>(η<sup>1</sup>NCMe<sub>3</sub>)}Sc(μ<sup>1</sup>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub>)]<sub>2</sub>. Synthesis, Structures and Kinetic and Equilibrium Investigations of the Catalytically active Species in Solution"</a> <span class="cs1-format">(PDF)</span>. <i>Journal of the American Chemical Society</i>. <b>116</b> (11): 4623. <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%2Fja00090a011">10.1021/ja00090a011</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=Model+Ziegler-Natta+%CE%B1-Olefin+Polymerization+Catalysts+Derived+from+%5B%7B%28%CE%B7%3Csup%3E5%3C%2Fsup%3E-C%3Csub%3E5%3C%2Fsub%3EMe%3Csub%3E4%3C%2Fsub%3E%29SiMe%3Csub%3E2%3C%2Fsub%3E%28%CE%B7%3Csup%3E1%3C%2Fsup%3E-NCMe%3Csub%3E3%3C%2Fsub%3E%29%7D%28PMe%3Csub%3E3%3C%2Fsub%3E%29Sc%28%CE%BC%3Csub%3E2%3C%2Fsub%3E-H%29%5D%3Csub%3E2%3C%2Fsub%3E+and+%5B%7B%28%CE%B7%3Csup%3E5%3C%2Fsup%3EC%3Csub%3E5%3C%2Fsub%3EMe%3Csub%3E4%3C%2Fsub%3E%29SiMe%3Csub%3E2%3C%2Fsub%3E%28%CE%B7%3Csup%3E1%3C%2Fsup%3ENCMe%3Csub%3E3%3C%2Fsub%3E%29%7DSc%28%CE%BC%3Csup%3E1%3C%2Fsup%3ECH%3Csub%3E2%3C%2Fsub%3ECH%3Csub%3E2%3C%2Fsub%3ECH%3Csub%3E3%3C%2Fsub%3E%29%5D%3Csub%3E2%3C%2Fsub%3E.+Synthesis%2C+Structures+and+Kinetic+and+Equilibrium+Investigations+of+the+Catalytically+active+Species+in+Solution&rft.volume=116&rft.issue=11&rft.pages=4623&rft.date=1994&rft_id=info%3Adoi%2F10.1021%2Fja00090a011&rft.aulast=Shapiro&rft.aufirst=Pamela+J.&rft_id=https%3A%2F%2Fauthors.library.caltech.edu%2Frecords%2Ft7dr7-xbe20%2Ffiles%2Fja00090a011_si_001.pdf%3Fdownload%3D1&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScandium+compounds" 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style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Scandium_dodecaboride" title="Scandium dodecaboride">ScB<sub>12</sub></a></li> <li><a href="/wiki/Scandium_bromide" title="Scandium bromide">ScBr<sub>3</sub></a></li> <li><a href="/wiki/Scandium_acetate" title="Scandium acetate">Sc(CH<sub>3</sub>COO)<sub>3</sub></a></li> <li><a href="/wiki/Scandium_chloride" title="Scandium chloride">ScCl<sub>3</sub></a></li> <li><a href="/wiki/Scandium_fluoride" title="Scandium fluoride">ScF<sub>3</sub></a></li> <li><a href="/wiki/Scandium(III)_hydride" title="Scandium(III) hydride">ScH<sub>3</sub></a></li> <li><a href="/wiki/Scandium_triiodide" title="Scandium triiodide">ScI<sub>3</sub></a></li> <li><a href="/wiki/Scandium_nitride" title="Scandium nitride">ScN</a></li> <li><a href="/wiki/Scandium_nitrate" title="Scandium nitrate">Sc(NO<sub>3</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Scandium_oxide" title="Scandium oxide">Sc<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Scandium_phosphide" title="Scandium phosphide">ScP</a></li> <li><a href="/wiki/Scandium_monosulfide" title="Scandium monosulfide">ScS</a></li> <li><a href="/wiki/Praseodymium_orthoscandate" title="Praseodymium orthoscandate">PrScO<sub>3</sub></a></li> <li><a href="/wiki/Scandium(III)_sulfide" title="Scandium(III) sulfide">Sc<sub>2</sub>S<sub>3</sub></a></li> <li><a href="/wiki/Scandium_sulfate" title="Scandium sulfate">Sc<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Scandium(III)_trifluoromethanesulfonate" title="Scandium(III) trifluoromethanesulfonate">Sc(SO<sub>3</sub>CF<sub>3</sub>)<sub>3</sub></a></li> <li><a href="/w/index.php?title=Scandium_boride&action=edit&redlink=1" class="new" title="Scandium boride (page does not exist)">ScB<sub>2</sub></a></li> <li><a href="/wiki/Scandium(III)_perchlorate" class="mw-redirect" title="Scandium(III) perchlorate">Sc(ClO<sub>4</sub>)<sub>3</sub></a></li> <li><a href="/w/index.php?title=Scandium_antimonide&action=edit&redlink=1" class="new" title="Scandium antimonide (page does not exist)">ScSb</a></li> <li><a href="/wiki/Scandium_perrhenate" title="Scandium perrhenate">Sc(ReO<sub>4</sub>)<sub>3</sub></a></li> <li><a href="/w/index.php?title=Scandium_telluride&action=edit&redlink=1" class="new" title="Scandium telluride (page does not exist)">Sc<sub>2</sub>Te<sub>3</sub></a></li> <li><a href="/wiki/Tris(cyclopentadienyl)_scandium" class="mw-redirect" title="Tris(cyclopentadienyl) scandium">Sc(C<sub>5</sub>H<sub>5</sub>)<sub>3</sub></a></li> <li><a href="/w/index.php?title=Tris(butylcyclopentadienyl)_scandium&action=edit&redlink=1" class="new" title="Tris(butylcyclopentadienyl) scandium (page does not exist)">Sc(C<sub>9</sub>H<sub>13</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Scandium(III)_hydroxide" title="Scandium(III) hydroxide">Sc(OH)<sub>3</sub></a></li> <li><a href="/w/index.php?title=Scandium(III)_isopropoxide&action=edit&redlink=1" class="new" title="Scandium(III) isopropoxide (page does not exist)">Sc(OCH(CH<sub>3</sub>)<sub>2</sub>)<sub>3</sub></a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" 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=Scandium_compounds&oldid=1192790420">https://en.wikipedia.org/w/index.php?title=Scandium_compounds&oldid=1192790420</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:Scandium" title="Category:Scandium">Scandium</a></li><li><a href="/wiki/Category:Scandium_compounds" title="Category:Scandium compounds">Scandium 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