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Indium(III) nitrate
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<h2 id="production-and-reactions">Production and reactions</h2> <p>Indium(III) nitrate hydrate is produced by the dissolution of indium metal in concentrated <a href="/facts/Nitric_acid/UDbwGp6s">nitric acid</a> followed by evaporation of the solution:<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a><a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> In + 4 HNO3 → In(NO3)3 + NO + 2 H2O <p>The hydrate first decomposes to a basic salt and then to <a href="/facts/Indium(III)_oxide/S5wHB48A">indium(III) oxide</a> at 240 °C. Anhydrous indium(III) nitrate is claimed to be produced by the reaction of anhydrous <a href="/facts/Indium(III)_chloride/3kS4un7w">indium(III) chloride</a> and <a href="/facts/Dinitrogen_pentoxide/2uAxoRpM">dinitrogen pentoxide</a>.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a><a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> </p><p>In the presence of excess nitrate ions, indium(III) nitrate converts to the [In(NO3)4]− ion.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a><a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> </p><p>The hydrolysis of indium(III) nitrate yields <a href="/facts/Indium(III)_hydroxide/3D8Er5BX">indium(III) hydroxide</a>. It also reacts with <a href="/facts/Sodium_tungstate/bS2xRrC9">sodium tungstate</a> to form In(OH)WO4, [In(OH)2]2WO4, NaInWO4 or In2(WO4)3 depending on pH.<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a><a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a> </p> <h2 id="structure">Structure</h2> <p>Only the pentahydrate has been structurally elucidated. The pentahydrate consists of octahedral [In(NO3)(H2O)5]2+ centers as well as two nitrates and is monoclinic.<a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a> </p> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>M. A. Malyarik; S. P. Petrosyants; A. B. Ilyukhin; Yu. A. Buslaev (1993). "Polyfunctionality of the nitrate group, coordination numbers of trivalent indium in nitrates complexes, and crystal structures of [In(NO3)(H2O)5](NO3)2 and HK6[In(NO3)4(H2O)2]3(NO3)4". Russian Journal of Inorganic Chemistry. 38 (12): 1849–1854. ISSN 0036-0236. <a href="https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200" target="_blank">https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>D. G. Tuck; E. J. Woodhouse; P. Carty (1966). "Co-ordination compounds of indium. Part III. Indium(III) nitrate species". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1077–1080. doi:10.1039/J19660001077. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Galina V. Kozhevnikova; Gábor Keresztury (1985). "The state of indium ions in nitrate solutions: A Raman spectroscopic study". Inorganica Chimica Acta. 98 (1): 59–65. doi:10.1016/S0020-1693(00)90751-5. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>M. A. Malyarik; S. P. Petrosyants; A. B. Ilyukhin; Yu. A. Buslaev (1993). "Polyfunctionality of the nitrate group, coordination numbers of trivalent indium in nitrates complexes, and crystal structures of [In(NO3)(H2O)5](NO3)2 and HK6[In(NO3)4(H2O)2]3(NO3)4". Russian Journal of Inorganic Chemistry. 38 (12): 1849–1854. ISSN 0036-0236. <a href="https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200" target="_blank">https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>D. G. Tuck; E. J. Woodhouse; P. Carty (1966). "Co-ordination compounds of indium. Part III. Indium(III) nitrate species". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1077–1080. doi:10.1039/J19660001077. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Galina V. Kozhevnikova; Gábor Keresztury (1985). "The state of indium ions in nitrate solutions: A Raman spectroscopic study". Inorganica Chimica Acta. 98 (1): 59–65. doi:10.1016/S0020-1693(00)90751-5. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>D. G. Tuck; E. J. Woodhouse; P. Carty (1966). "Co-ordination compounds of indium. Part III. Indium(III) nitrate species". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1077–1080. doi:10.1039/J19660001077. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>B. O. Field; C. J. Hardy (1964). "Volatile and anhydrous nitrato-complexes of metals: preparation by the use of dinitrogen pentroxide, and measurement of infrared spectra". Journal of the Chemical Society: 4428–4434. doi:10.1039/JR9640004428. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>M. A. Malyarik; S. P. Petrosyants; A. B. Ilyukhin; Yu. A. Buslaev (1993). "Polyfunctionality of the nitrate group, coordination numbers of trivalent indium in nitrates complexes, and crystal structures of [In(NO3)(H2O)5](NO3)2 and HK6[In(NO3)4(H2O)2]3(NO3)4". Russian Journal of Inorganic Chemistry. 38 (12): 1849–1854. ISSN 0036-0236. <a href="https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200" target="_blank">https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>D. G. Tuck; E. J. Woodhouse; P. Carty (1966). "Co-ordination compounds of indium. Part III. Indium(III) nitrate species". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1077–1080. doi:10.1039/J19660001077. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Keita Yura; Karl C. Fredrikson; Egon Matijević (1990). "Preparation and properties of uniform colloidal indium compounds of different morphologies". Colloids and Surfaces. 50: 281–293. doi:10.1016/0166-6622(90)80270-E. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Shcherbina, K. G.; Mokhosoev, M. V.; Gruba, A. I. (1974). "Reaction of aluminum and indium nitrates with sodium tungstate in hot solutions". Zhurnal Neorganicheskoi Khimii (in Russian). 19 (2): 396–399. ISSN 0044-457X.{{cite journal}}: CS1 maint: multiple names: authors list (link) <a href="/wiki/ISSN_(identifier)" target="_blank">/wiki/ISSN_(identifier)</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>M. A. Malyarik; S. P. Petrosyants; A. B. Ilyukhin; Yu. A. Buslaev (1993). "Polyfunctionality of the nitrate group, coordination numbers of trivalent indium in nitrates complexes, and crystal structures of [In(NO3)(H2O)5](NO3)2 and HK6[In(NO3)4(H2O)2]3(NO3)4". Russian Journal of Inorganic Chemistry. 38 (12): 1849–1854. ISSN 0036-0236. <a href="https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200" target="_blank">https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3854200</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> </ol>