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<span>Sintesi</span> </div> </a> <ul id="toc-Sintesi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reattività" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Reattività"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Reattività</span> </div> </a> <button aria-controls="toc-Reattività-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Attiva/disattiva la sottosezione Reattività</span> </button> <ul id="toc-Reattività-sublist" class="vector-toc-list"> <li id="toc-Reazioni_acido-base" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Reazioni_acido-base"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Reazioni acido-base</span> </div> </a> <ul id="toc-Reazioni_acido-base-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reazioni_con_complessi_metallici" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Reazioni_con_complessi_metallici"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Reazioni con complessi metallici</span> </div> </a> <ul id="toc-Reazioni_con_complessi_metallici-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Come_precursore_di_altri_composti_S–N" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Come_precursore_di_altri_composti_S–N"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.3</span> <span>Come precursore di altri composti S–N</span> </div> </a> <ul id="toc-Come_precursore_di_altri_composti_S–N-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Produzione_di_altri_nitruri_di_zolfo" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Produzione_di_altri_nitruri_di_zolfo"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.4</span> <span>Produzione di altri nitruri di zolfo</span> </div> </a> <ul id="toc-Produzione_di_altri_nitruri_di_zolfo-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altre_reazioni" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Altre_reazioni"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.5</span> <span>Altre reazioni</span> </div> </a> <ul id="toc-Altre_reazioni-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Sicurezza" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sicurezza"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Sicurezza</span> </div> </a> <ul id="toc-Sicurezza-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header 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</div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Tetranitruro di tetrazolfo</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 15 lingue" > <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 lingue</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/%D8%B1%D8%A8%D8%A7%D8%B9%D9%8A_%D9%86%D8%AA%D8%B1%D9%8A%D8%AF_%D8%B1%D8%A8%D8%A7%D8%B9%D9%8A_%D8%A7%D9%84%D9%83%D8%A8%D8%B1%D9%8A%D8%AA" title="رباعي نتريد رباعي الكبريت - arabo" lang="ar" hreflang="ar" data-title="رباعي نتريد رباعي الكبريت" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Tetraschwefeltetranitrid" title="Tetraschwefeltetranitrid - tedesco" lang="de" hreflang="de" data-title="Tetraschwefeltetranitrid" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Tetrasulfur_tetranitride" title="Tetrasulfur tetranitride - inglese" lang="en" hreflang="en" data-title="Tetrasulfur tetranitride" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tetranitruro_de_tetraazufre" title="Tetranitruro de tetraazufre - spagnolo" lang="es" hreflang="es" data-title="Tetranitruro de tetraazufre" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/T%C3%A9tranitrure_de_t%C3%A9trasoufre" title="Tétranitrure de tétrasoufre - francese" lang="fr" hreflang="fr" data-title="Tétranitrure de tétrasoufre" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%9F%E0%A5%87%E0%A4%9F%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%B8%E0%A4%B2%E0%A5%8D%E0%A4%AB%E0%A4%B0_%E0%A4%9F%E0%A5%87%E0%A4%9F%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%A8%E0%A4%BE%E0%A4%87%E0%A4%9F%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%87%E0%A4%A1" title="टेट्रासल्फर टेट्रानाइट्राइड - hindi" lang="hi" hreflang="hi" data-title="टेट्रासल्फर टेट्रानाइट्राइड" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Tetrak%C3%A9n-tetranitrid" title="Tetrakén-tetranitrid - ungherese" lang="hu" hreflang="hu" data-title="Tetrakén-tetranitrid" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Tetrasulfur_tetranitrida" title="Tetrasulfur tetranitrida - indonesiano" lang="id" hreflang="id" data-title="Tetrasulfur tetranitrida" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%A1%AB%E5%8C%96%E7%AA%92%E7%B4%A0" title="硫化窒素 - giapponese" lang="ja" hreflang="ja" data-title="硫化窒素" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A2%D0%B5%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%82%D1%80%D0%B8%D0%B4_%D1%82%D0%B5%D1%82%D1%80%D0%B0%D1%81%D0%B5%D1%80%D1%8B" title="Тетранитрид тетрасеры - russo" lang="ru" hreflang="ru" data-title="Тетранитрид тетрасеры" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Tetrasumpor_tetranitrid" title="Tetrasumpor tetranitrid - serbo-croato" lang="sh" hreflang="sh" data-title="Tetrasumpor tetranitrid" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Tetrasulfur_tetranitride" title="Tetrasulfur tetranitride - Simple English" lang="en-simple" hreflang="en-simple" data-title="Tetrasulfur tetranitride" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Tetrasumpor_tetranitrid" title="Tetrasumpor tetranitrid - serbo" lang="sr" hreflang="sr" data-title="Tetrasumpor tetranitrid" data-language-autonym="Српски / srpski" data-language-local-name="serbo" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/1,3,5,7-tetrathia-2,4,6,8-tetraazacyclooctan-2,4,6,8-tetrayl" title="1,3,5,7-tetrathia-2,4,6,8-tetraazacyclooctan-2,4,6,8-tetrayl - vietnamita" lang="vi" hreflang="vi" data-title="1,3,5,7-tetrathia-2,4,6,8-tetraazacyclooctan-2,4,6,8-tetrayl" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%9B%9B%E6%B0%AE%E5%8C%96%E5%9B%9B%E7%A1%AB" title="四氮化四硫 - cinese" lang="zh" hreflang="zh" data-title="四氮化四硫" data-language-autonym="中文" data-language-local-name="cinese" 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/Q137648#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</a></span></div> </div> </div> </div> </header> <div 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tetrazolfo</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:Tetrasulfur-tetranitride.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Tetrasulfur-tetranitride.png/250px-Tetrasulfur-tetranitride.png" decoding="async" width="250" height="159" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Tetrasulfur-tetranitride.png/375px-Tetrasulfur-tetranitride.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Tetrasulfur-tetranitride.png/500px-Tetrasulfur-tetranitride.png 2x" data-file-width="1100" data-file-height="698" /></a><figcaption></figcaption></figure> </td></tr><tr><td class="sinottico_testo_centrale" colspan="2"><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:Tetrasulfur-tetranitride-from-xtal-2000-3D-balls.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Tetrasulfur-tetranitride-from-xtal-2000-3D-balls.png/250px-Tetrasulfur-tetranitride-from-xtal-2000-3D-balls.png" decoding="async" width="250" height="181" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Tetrasulfur-tetranitride-from-xtal-2000-3D-balls.png/375px-Tetrasulfur-tetranitride-from-xtal-2000-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Tetrasulfur-tetranitride-from-xtal-2000-3D-balls.png/500px-Tetrasulfur-tetranitride-from-xtal-2000-3D-balls.png 2x" data-file-width="1100" data-file-height="795" /></a><figcaption></figcaption></figure> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background-color:#AAEEFF;">Caratteristiche generali</th></tr><tr><th><a href="/wiki/Formula_bruta" title="Formula bruta">Formula bruta</a> o <a href="/wiki/Formula_molecolare" title="Formula molecolare">molecolare</a></th><td>S<sub>4</sub>N<sub>4</sub> </td></tr><tr><th><a href="/wiki/Massa_molecolare" title="Massa molecolare">Massa molecolare</a> (<a href="/wiki/Unit%C3%A0_di_massa_atomica" title="Unità di massa atomica">u</a>)</th><td>184,29 </td></tr><tr><th><a href="/wiki/Colore" title="Colore">Aspetto</a></th><td>solido giallo arancio </td></tr><tr><th><a href="/wiki/Numero_CAS" title="Numero CAS">Numero CAS</a></th><td><span class="reflink plainlinksneverexpand"><span class="noarchive"><a class="external text" href="https://iw.toolforge.org/magnustools/cas.php?language=it&cas=28950-34-7">28950-34-7</a></span></span> </td></tr><tr><th><a href="/wiki/PubChem" title="PubChem">PubChem</a></th><td><a rel="nofollow" class="external text" href="http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=141455">141455</a> </td></tr><tr><th><a href="/wiki/SMILES" title="SMILES">SMILES</a></th><td><div style="word-break: break-all;"><code style="background-color:transparent; border:none">N1=S=NSN=S=NS1</code></div> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background-color:#AAEEFF;">Proprietà chimico-fisiche</th></tr><tr><th><a href="/wiki/Temperatura_di_fusione" class="mw-redirect" title="Temperatura di fusione">Temperatura di fusione</a></th><td>187 °C (460 K) </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background-color:#AAEEFF;">Proprietà termochimiche</th></tr><tr><th><a href="/wiki/Entalpia_standard_di_formazione" title="Entalpia standard di formazione">Δ<sub>f</sub>H<sup>0</sup></a> (kJ·mol<sup>−1</sup>)</th><td>+460 </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background-color:#AAEEFF;">Indicazioni di sicurezza</th></tr><tr class="sinottico_divisione"><th colspan="2" style="background-color:#DDEEFF; font-weight:normal;"><a href="/wiki/Simboli_di_rischio_chimico" title="Simboli di rischio chimico">Simboli di rischio chimico</a></th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><span typeof="mw:File"><a href="/wiki/File:Hazard_E.svg" class="mw-file-description" title="Esplosivo"><img alt="Esplosivo" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Hazard_E.svg/42px-Hazard_E.svg.png" decoding="async" width="42" height="42" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Hazard_E.svg/63px-Hazard_E.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Hazard_E.svg/84px-Hazard_E.svg.png 2x" data-file-width="500" data-file-height="500" /></a></span>  </td></tr><tr><td class="sinottico_piede2 noprint nomobile metadata" colspan="2"><a href="https://www.wikidata.org/wiki/Q137648" class="extiw" title="d:Q137648"><span title="Modifica i dati della voce Tetranitruro di tetrazolfo su Wikidata">Modifica dati su Wikidata</span></a><b> ·</b> <a href="/wiki/Template:Composto_chimico/man" title="Template:Composto chimico/man"><span title="Manuale del template Composto chimico">Manuale</span></a></td></tr></tbody></table> <p>Il <b>tetranitruro di tetrazolfo</b> è il composto inorganico con <a href="/wiki/Formula_chimica" title="Formula chimica">formula</a> S<sub>4</sub>N<sub>4</sub>. In <a href="/wiki/Condizioni_standard" title="Condizioni standard">condizioni standard</a> è un solido cristallino giallo arancio. È il più importante dei nitruri di zolfo, composti binari tra <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> e <a href="/wiki/Azoto" title="Azoto">azoto</a>. Ha attratto molta curiosità perché ha struttura e legami inusuali, ed è il precursore di molti composti S–N.<sup id="cite_ref-Greenwood_1-0" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Chivers_2-0" class="reference"><a href="#cite_note-Chivers-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Le impurità di <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> hanno potere stabilizzante dell'intero composto, che diviene meno soggetto ad esplosione. </p><p>Azoto e zolfo hanno valori di elettronegatività simile; in questi casi i due atomi formano spesso una gran numero di strutture con legami covalenti. S<sub>4</sub>N<sub>4</sub> può essere considerato il capostipite di numerosi composti noti S–N e S–NH. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Caratteristiche">Caratteristiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=1" title="Modifica la sezione Caratteristiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=1" title="Edit section's source code: Caratteristiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>S<sub>4</sub>N<sub>4</sub> è uno dei più noti <a href="/wiki/Clatrato" title="Clatrato">composti a gabbia</a> (struttura con simmetria D<sub>2d</sub>) ed è stato descritto per la prima volta nel <a href="/wiki/1835" title="1835">1835</a> da W. Gregory. Tende a <a href="/wiki/Decomposizione_(chimica)" title="Decomposizione (chimica)">decomposizione</a> <a href="/wiki/Esplosione" title="Esplosione">esplosiva</a> e <a href="/w/index.php?title=Termocromismo&action=edit&redlink=1" class="new" title="Termocromismo (la pagina non esiste)">termocromismo</a>, che significa un passaggio del composto da incolore (a 77 K) ad un tipico color giallo-arancio (a 298 K, che è pure il colore a <a href="/wiki/Temperatura_ambiente" title="Temperatura ambiente">temperatura ambiente</a>) fino ad un rosso intenso (a 373 K).<sup id="cite_ref-Ralf_Alsfasser,_H._J._Meyer_3-0" class="reference"><a href="#cite_note-Ralf_Alsfasser,_H._J._Meyer-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Quando il tetranitruro di tetrazolfo passa allo stato gassoso, in presenza di lana d'<a href="/wiki/Argento" title="Argento">argento</a> (da 200 a 300 °C), si scompone formando S<sub>2</sub>N<sub>2</sub>.<sup id="cite_ref-Hans-Georg_Elias_4-0" class="reference"><a href="#cite_note-Hans-Georg_Elias-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Il tetranitruro di tetrazolfo sublima a temperature inferiori a 130 °C e a 0.1 mbar di <a href="/wiki/Pressione" title="Pressione">pressione</a>. È insolubile in <a href="/wiki/Acqua" title="Acqua">acqua</a>, negli <a href="/wiki/Base_(chimica)" title="Base (chimica)">alcali</a> e negli <a href="/wiki/Acido" title="Acido">acidi</a> solo con decomposizione sotto protonazione. Il tetranitruro di tetrazolfo solido di decompone esplodendo (<a href="/wiki/Detonazione" title="Detonazione">detonazione</a>) quando riscaldato oltre i 130 °C o in caso di impatto (460 kJ/mol). </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2S_{4}N_{4}\longrightarrow 4\ N_{2}+S_{8}+2\cdot 460kJ} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <msub> <mi mathvariant="normal">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <msub> <mi mathvariant="normal">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <mo stretchy="false">⟶</mo> <mn>4</mn> <mtext> </mtext> <msub> <mi mathvariant="normal">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <msub> <mi mathvariant="normal">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>8</mn> </mrow> </msub> <mo>+</mo> <mn>2</mn> <mo>⋅</mo> <mn>460</mn> <mi mathvariant="normal">k</mi> <mi mathvariant="normal">J</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {2S_{4}N_{4}\longrightarrow 4\ N_{2}+S_{8}+2\cdot 460kJ} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c7bbbda45f515b49cdd324dff4755a30758834f8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:32.722ex; height:2.509ex;" alt="{\displaystyle \mathrm {2S_{4}N_{4}\longrightarrow 4\ N_{2}+S_{8}+2\cdot 460kJ} }"></span></dd></dl> <p>Il composto gassoso si decompone principalmente oltre i 200 °C in forma S<sub>3</sub>N<sub>3</sub> e S<sub>4</sub>N<sub>2</sub>. Sopra i 300 °C si decompone in elementi mononitridici SN.<sup id="cite_ref-Arnold_F._Holleman,_Egon_Wiberg_5-0" class="reference"><a href="#cite_note-Arnold_F._Holleman,_Egon_Wiberg-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Il tetranitruro di tetrazolfo è una delle principali materie prime per la produzione di composti di <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> e <a href="/wiki/Azoto" title="Azoto">azoto</a>, come il <a href="/wiki/Trimero" title="Trimero">trimero</a> <a href="/wiki/Composto_ciclico" class="mw-redirect" title="Composto ciclico">ciclico</a> <a href="/w/index.php?title=Tionitrosilcloruro&action=edit&redlink=1" class="new" title="Tionitrosilcloruro (la pagina non esiste)">tionitrosilcloruro</a>.<sup id="cite_ref-Ralf_Alsfasser,_H._J._Meyer_3-1" class="reference"><a href="#cite_note-Ralf_Alsfasser,_H._J._Meyer-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Proprietà_fisiche"><span id="Propriet.C3.A0_fisiche"></span>Proprietà fisiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=2" title="Modifica la sezione Proprietà fisiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=2" title="Edit section's source code: Proprietà fisiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>S<sub>4</sub>N<sub>4</sub> è un solido cristallino <a href="/wiki/Diamagnetico" class="mw-redirect" title="Diamagnetico">diamagnetico</a>, stabile all'aria. Avendo una entalpia di formazione di +460 kJ mol<sup>−1</sup> è però termodinamicamente instabile perché i prodotti di decomposizione <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> e <a href="/wiki/Azoto" title="Azoto">azoto</a> elementari sono molto stabili. Questa <a href="/wiki/Entalpia" title="Entalpia">entalpia</a> endotermica di formazione contribuisce alla sua instabilità intrinseca, e proviene dalla differenza di energia di S<sub>4</sub>N<sub>4</sub> rispetto ai suoi prodotti di decomposizione altamente stabili (<a href="/wiki/Zolfo" title="Zolfo">zolfo</a> e <a href="/wiki/Azoto" title="Azoto">azoto</a>): </p> <dl><dd>2S<sub>4</sub>N<sub>4</sub> → 4N<sub>2</sub> + S<sub>8</sub></dd></dl> <p>Dato che uno dei prodotti di decomposizione è gassoso, S<sub>4</sub>N<sub>4</sub> è un esplosivo e può detonare se colpito o riscaldato rapidamente, specie se la purezza del composto è alta.<sup id="cite_ref-Greenwood_1-1" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Campioni puri tendono ad essere più facilmente esplosivi. </p><p>S<sub>4</sub>N<sub>4</sub> è <a href="/w/index.php?title=Termocromico&action=edit&redlink=1" class="new" title="Termocromico (la pagina non esiste)">termocromico</a>: cambiando colore da giallo chiaro a –30 °C fino a rosso scuro sopra 100 °C.<sup id="cite_ref-Greenwood_1-2" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Sebbene molte molecole complesse sono instabili in senso termodinamico, possono essere ancora cineticamente stabili, questo è raro nelle composizioni molto semplici, come nel <a href="/w/index.php?title=Nitruro_di_zolfo&action=edit&redlink=1" class="new" title="Nitruro di zolfo (la pagina non esiste)">nitruro di zolfo</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Proprietà_chimiche"><span id="Propriet.C3.A0_chimiche"></span>Proprietà chimiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=3" title="Modifica la sezione Proprietà chimiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=3" title="Edit section's source code: Proprietà chimiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il tetranitruro di tetrazolfo forma <a href="/wiki/Cristallo" title="Cristallo">cristalli</a> <a href="/wiki/Giallo" title="Giallo">giallo</a>-<a href="/wiki/Arancio" class="mw-redirect" title="Arancio">arancio</a> a struttura ortorombica, gruppo spaziale <i><b>P mmm</b></i>, parametri di cella <i>a</i> = 0,847 нм, <i>b</i> = 0,887 нм, <i>c</i> = 0,720 нм, Z = 4. </p> <ul><li>Si decompone a <a href="/wiki/Temperatura" title="Temperatura">caldo</a>:</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {S_{4}N_{4}\ {\xrightarrow {80^{o}C,AgF_{2}}}\ S_{2}N_{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <msup> <mn mathvariant="sans-serif">80</mn> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">o</mi> </mrow> </msup> <mi mathvariant="sans-serif">C</mi> <mo mathvariant="sans-serif">,</mo> <mi mathvariant="sans-serif">A</mi> <mi mathvariant="sans-serif">g</mi> <msub> <mi mathvariant="sans-serif">F</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> </mpadded> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {S_{4}N_{4}\ {\xrightarrow {80^{o}C,AgF_{2}}}\ S_{2}N_{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4e108b51ee8a0135519eae06ee14456b666a183c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.437ex; width:20.246ex; height:4.343ex;" alt="{\displaystyle {\mathsf {S_{4}N_{4}\ {\xrightarrow {80^{o}C,AgF_{2}}}\ S_{2}N_{2}}}}"></span></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {nS_{4}N_{4}\ {\xrightarrow {125-140^{o}C}}\ 4(SN)_{n}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">n</mi> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <mn mathvariant="sans-serif">125</mn> <mo mathvariant="sans-serif">−</mo> <msup> <mn mathvariant="sans-serif">140</mn> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">o</mi> </mrow> </msup> <mi mathvariant="sans-serif">C</mi> </mpadded> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mn mathvariant="sans-serif">4</mn> <mo mathvariant="sans-serif" stretchy="false">(</mo> <mi mathvariant="sans-serif">S</mi> <mi mathvariant="sans-serif">N</mi> <msub> <mo mathvariant="sans-serif" stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">n</mi> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {nS_{4}N_{4}\ {\xrightarrow {125-140^{o}C}}\ 4(SN)_{n}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/42cea8d674b0e9445cdc1924e4c23417134d15b5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; margin-top: -0.404ex; width:23.818ex; height:4.343ex;" alt="{\displaystyle {\mathsf {nS_{4}N_{4}\ {\xrightarrow {125-140^{o}C}}\ 4(SN)_{n}}}}"></span></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {S_{4}N_{4}\ {\xrightarrow {>200^{o}C}}\ 4S+2N_{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <mo mathvariant="sans-serif">></mo> <msup> <mn mathvariant="sans-serif">200</mn> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">o</mi> </mrow> </msup> <mi mathvariant="sans-serif">C</mi> </mpadded> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">S</mi> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">2</mn> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {S_{4}N_{4}\ {\xrightarrow {>200^{o}C}}\ 4S+2N_{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2d09bc645925a4a88d162916c08f1acb1a4230e7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.404ex; width:22.315ex; height:4.176ex;" alt="{\displaystyle {\mathsf {S_{4}N_{4}\ {\xrightarrow {>200^{o}C}}\ 4S+2N_{2}}}}"></span></dd></dl></dd></dl> <ul><li>Si decompone in <a href="/wiki/Acqua" title="Acqua">acqua</a> calda:</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {S_{4}N_{4}+6H_{2}O\ {\xrightarrow {90^{o}C}}\ S\downarrow +4NH_{3}\uparrow +3SO_{2}\uparrow }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">6</mn> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mi mathvariant="sans-serif">O</mi> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <msup> <mn mathvariant="sans-serif">90</mn> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">o</mi> </mrow> </msup> <mi mathvariant="sans-serif">C</mi> </mpadded> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mi mathvariant="sans-serif">S</mi> <mo stretchy="false">↓</mo> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mo stretchy="false">↑</mo> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">3</mn> <mi mathvariant="sans-serif">S</mi> <msub> <mi mathvariant="sans-serif">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mo stretchy="false">↑</mo> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {S_{4}N_{4}+6H_{2}O\ {\xrightarrow {90^{o}C}}\ S\downarrow +4NH_{3}\uparrow +3SO_{2}\uparrow }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4c5655e681991247d16a8dd62710561cc7252044" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.404ex; width:41.82ex; height:4.176ex;" alt="{\displaystyle {\mathsf {S_{4}N_{4}+6H_{2}O\ {\xrightarrow {90^{o}C}}\ S\downarrow +4NH_{3}\uparrow +3SO_{2}\uparrow }}}"></span></dd></dl></dd></dl> <ul><li>Reagisce con <a href="/wiki/Acido" title="Acido">acidi</a> concentrati caldi:</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {S_{4}N_{4}+4HCl\ {\xrightarrow {90^{o}C}}\ S\downarrow +4NH_{4}Cl+3SO_{2}\uparrow }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">H</mi> <mi mathvariant="sans-serif">C</mi> <mi mathvariant="sans-serif">l</mi> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <msup> <mn mathvariant="sans-serif">90</mn> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">o</mi> </mrow> </msup> <mi mathvariant="sans-serif">C</mi> </mpadded> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mi mathvariant="sans-serif">S</mi> <mo stretchy="false">↓</mo> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mi mathvariant="sans-serif">C</mi> <mi mathvariant="sans-serif">l</mi> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">3</mn> <mi mathvariant="sans-serif">S</mi> <msub> <mi mathvariant="sans-serif">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mo stretchy="false">↑</mo> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {S_{4}N_{4}+4HCl\ {\xrightarrow {90^{o}C}}\ S\downarrow +4NH_{4}Cl+3SO_{2}\uparrow }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4f8f6987453b1932bc3db74de8b59eab988de4fd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.404ex; width:41.718ex; height:4.176ex;" alt="{\displaystyle {\mathsf {S_{4}N_{4}+4HCl\ {\xrightarrow {90^{o}C}}\ S\downarrow +4NH_{4}Cl+3SO_{2}\uparrow }}}"></span></dd></dl></dd></dl> <ul><li>Reagisce con gli <a href="/wiki/Base_(chimica)" title="Base (chimica)">alcali</a>:</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {S_{4}N_{4}+6NaOH\ {\xrightarrow {}}\ 3Na_{2}SO_{3}+S\downarrow +4(NH_{3}\cdot H_{2}O)}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">6</mn> <mi mathvariant="sans-serif">N</mi> <mi mathvariant="sans-serif">a</mi> <mi mathvariant="sans-serif">O</mi> <mi mathvariant="sans-serif">H</mi> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em" /> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mn mathvariant="sans-serif">3</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mi mathvariant="sans-serif">S</mi> <msub> <mi mathvariant="sans-serif">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mi mathvariant="sans-serif">S</mi> <mo stretchy="false">↓</mo> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mo mathvariant="sans-serif" stretchy="false">(</mo> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mo>⋅</mo> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mi mathvariant="sans-serif">O</mi> <mo mathvariant="sans-serif" stretchy="false">)</mo> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {S_{4}N_{4}+6NaOH\ {\xrightarrow {}}\ 3Na_{2}SO_{3}+S\downarrow +4(NH_{3}\cdot H_{2}O)}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/edf3e1ea9b182be9b591b637aaa448bf7d83382c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; margin-top: -0.452ex; width:49.493ex; height:3.176ex;" alt="{\displaystyle {\mathsf {S_{4}N_{4}+6NaOH\ {\xrightarrow {}}\ 3Na_{2}SO_{3}+S\downarrow +4(NH_{3}\cdot H_{2}O)}}}"></span></dd></dl></dd></dl> <ul><li>Reagisce con <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> disciolto in <a href="/wiki/Solfuro_di_carbonio" title="Solfuro di carbonio">solfuro di carbonio</a>:</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {S_{4}N_{4}+4S\ {\xrightarrow {}}\ 2S_{4}N_{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">S</mi> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em" /> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mn mathvariant="sans-serif">2</mn> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {S_{4}N_{4}+4S\ {\xrightarrow {}}\ 2S_{4}N_{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/24d63faafbdd30a8d01187961ebb4acd1044ebd4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.452ex; width:20.036ex; height:3.009ex;" alt="{\displaystyle {\mathsf {S_{4}N_{4}+4S\ {\xrightarrow {}}\ 2S_{4}N_{2}}}}"></span></dd></dl></dd></dl> <ul><li>È un <a href="/wiki/Agente_ossidante" class="mw-redirect" title="Agente ossidante">agente ossidante</a> debole:</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {S_{4}N_{4}+24HI\ {\xrightarrow {}}\ 4H_{2}S+10I_{2}+4NH_{4}I}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">24</mn> <mi mathvariant="sans-serif">H</mi> <mi mathvariant="sans-serif">I</mi> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em" /> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mn mathvariant="sans-serif">4</mn> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mi mathvariant="sans-serif">S</mi> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">10</mn> <msub> <mi mathvariant="sans-serif">I</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mi mathvariant="sans-serif">I</mi> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {S_{4}N_{4}+24HI\ {\xrightarrow {}}\ 4H_{2}S+10I_{2}+4NH_{4}I}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ecad9533fea54b079c72ec7d1c5b05576498af8e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.452ex; width:37.006ex; height:3.009ex;" alt="{\displaystyle {\mathsf {S_{4}N_{4}+24HI\ {\xrightarrow {}}\ 4H_{2}S+10I_{2}+4NH_{4}I}}}"></span></dd></dl></dd></dl> <p>Reagisce anche nelle seguenti <a href="/wiki/Reazioni_chimiche" class="mw-redirect" title="Reazioni chimiche">reazioni chimiche</a> complesse, ottenute principalmente in laboratorio o comunque per via sperimentale: </p> <ul><li>Dissoluzione di <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> in <a href="/wiki/Ammoniaca" title="Ammoniaca">ammoniaca</a> liquida con reazione di <a href="/wiki/Ioduro_d%27argento" title="Ioduro d'argento">ioduro d'argento</a> (è più veloce):</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {10S+16NH_{3}+12AgI\ {\xrightarrow {}}\ S_{4}N_{4}+6Ag_{2}S\downarrow +12NH_{4}I}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">10</mn> <mi mathvariant="sans-serif">S</mi> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">16</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">12</mn> <mi mathvariant="sans-serif">A</mi> <mi mathvariant="sans-serif">g</mi> <mi mathvariant="sans-serif">I</mi> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em" /> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">6</mn> <mi mathvariant="sans-serif">A</mi> <msub> <mi mathvariant="sans-serif">g</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mi mathvariant="sans-serif">S</mi> <mo stretchy="false">↓</mo> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">12</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mi mathvariant="sans-serif">I</mi> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {10S+16NH_{3}+12AgI\ {\xrightarrow {}}\ S_{4}N_{4}+6Ag_{2}S\downarrow +12NH_{4}I}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e26d8760125c9caa7d3675de97b29d0fe842540c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.452ex; width:50.825ex; height:3.009ex;" alt="{\displaystyle {\mathsf {10S+16NH_{3}+12AgI\ {\xrightarrow {}}\ S_{4}N_{4}+6Ag_{2}S\downarrow +12NH_{4}I}}}"></span></dd></dl></dd></dl> <ul><li>Effetto del <a href="/wiki/Litio" title="Litio">litio</a> sui <a href="/w/index.php?title=Dioide&action=edit&redlink=1" class="new" title="Dioide (la pagina non esiste)">dioidi</a> acidi (soluzione in <a href="/wiki/Benzene" title="Benzene">benzene</a>):</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {6S_{2}Cl_{3}+4LiN_{3}\ {\xrightarrow {}}\ 3S_{4}N_{4}+4LiCl+4Cl_{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">6</mn> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mi mathvariant="sans-serif">C</mi> <msub> <mi mathvariant="sans-serif">l</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">L</mi> <mi mathvariant="sans-serif">i</mi> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em" /> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <mn mathvariant="sans-serif">3</mn> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">L</mi> <mi mathvariant="sans-serif">i</mi> <mi mathvariant="sans-serif">C</mi> <mi mathvariant="sans-serif">l</mi> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">4</mn> <mi mathvariant="sans-serif">C</mi> <msub> <mi mathvariant="sans-serif">l</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {6S_{2}Cl_{3}+4LiN_{3}\ {\xrightarrow {}}\ 3S_{4}N_{4}+4LiCl+4Cl_{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8f4d7f76976b58f7b7aba4edaaaa60b83d4e43db" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.452ex; width:39.777ex; height:3.009ex;" alt="{\displaystyle {\mathsf {6S_{2}Cl_{3}+4LiN_{3}\ {\xrightarrow {}}\ 3S_{4}N_{4}+4LiCl+4Cl_{2}}}}"></span></dd></dl></dd></dl> <ul><li>Dissoluzione in <a href="/wiki/Ammoniaca" title="Ammoniaca">ammoniaca</a> liquida:</li></ul> <dl><dd><dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {6S_{2}Cl_{3}+16NH_{3}\ {\xrightarrow {}}\ S_{4}N_{4}+12NH_{4}Cl+8S\downarrow }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">6</mn> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">2</mn> </mrow> </msub> <mi mathvariant="sans-serif">C</mi> <msub> <mi mathvariant="sans-serif">l</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">16</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">3</mn> </mrow> </msub> <mtext mathvariant="sans-serif"> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em" /> </mover> </mrow> <mtext mathvariant="sans-serif"> </mtext> <msub> <mi mathvariant="sans-serif">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <msub> <mi mathvariant="sans-serif">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">12</mn> <mi mathvariant="sans-serif">N</mi> <msub> <mi mathvariant="sans-serif">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="sans-serif">4</mn> </mrow> </msub> <mi mathvariant="sans-serif">C</mi> <mi mathvariant="sans-serif">l</mi> <mo mathvariant="sans-serif">+</mo> <mn mathvariant="sans-serif">8</mn> <mi mathvariant="sans-serif">S</mi> <mo stretchy="false">↓</mo> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {6S_{2}Cl_{3}+16NH_{3}\ {\xrightarrow {}}\ S_{4}N_{4}+12NH_{4}Cl+8S\downarrow }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b107f475af371f0542939696314c4cf0704846fb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-top: -0.452ex; width:43.302ex; height:3.009ex;" alt="{\displaystyle {\mathsf {6S_{2}Cl_{3}+16NH_{3}\ {\xrightarrow {}}\ S_{4}N_{4}+12NH_{4}Cl+8S\downarrow }}}"></span></dd></dl></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Struttura">Struttura</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=4" title="Modifica la sezione Struttura" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=4" title="Edit section's source code: Struttura"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Questo composto può essere visto formalmente come un derivato di un ipotetico anello a otto di <a href="/wiki/Atomo" title="Atomo">atomi</a> di <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> alternati e <a href="/wiki/Azoto" title="Azoto">azoto</a>. Il legame S<sub>4</sub>N<sub>4</sub> è considerato delocalizzate, e questo è indicato dal fatto che le distanze di legame tra atomi di <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> vicini e atomi di <a href="/wiki/Azoto" title="Azoto">azoto</a> sono quasi le stesse. S<sub>4</sub>N<sub>4</sub> ha una struttura inusuale a culla molto pronunciata, con <a href="/wiki/Simmetria_molecolare" title="Simmetria molecolare">simmetria</a> D<sub>2d</sub>. Misure di <a href="/wiki/Diffrazione_a_raggi_X" class="mw-redirect" title="Diffrazione a raggi X">diffrazione a raggi X</a> indicano che i due atomi di zolfo transannulari sono a distanza di 2,586 Å, in modo tale che la struttura della molecola assomiglia a una gabbia (come determinato dal singolo cristallo di diffrazione ai <a href="/wiki/Raggi_X" title="Raggi X">raggi X</a>).<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> La distanza S–S transannulare rimane oggetto di indagine perché è significativamente minore della somma delle distanze dei <a href="/wiki/Raggio_di_van_der_Waals" title="Raggio di van der Waals">raggi di van der Waals</a>, ma è stata spiegata nel contesto della teoria dell'<a href="/wiki/Orbitale_molecolare" title="Orbitale molecolare">orbitale molecolare</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> e maggiore di quella prevista da un legame semplice, indicando che tra questi atomi di zolfo esiste una interazione debole ma significativa.<sup id="cite_ref-Greenwood_1-3" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Il legame in S<sub>4</sub>N<sub>4</sub> si considera delocalizzato, come indicato dalle distanze tutte uguali tra atomi di zolfo e azoto adiacenti. </p> <div class="mw-heading mw-heading2"><h2 id="Sintesi">Sintesi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=5" title="Modifica la sezione Sintesi" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=5" title="Edit section's source code: Sintesi"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>S<sub>4</sub>N<sub>4</sub> fu preparato per la prima volta da W. Gregory nel 1835,<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> facendo reagire <a href="/wiki/Dicloruro_di_dizolfo" title="Dicloruro di dizolfo">S<sub>2</sub>Cl<sub>2</sub></a> con <a href="/wiki/Ammoniaca" title="Ammoniaca">ammoniaca</a>. In seguito è stato usato anche <a href="/wiki/Dicloruro_di_zolfo" title="Dicloruro di zolfo">SCl<sub>2</sub></a>.<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> I meccanismi di reazione non si conoscono, ma la stechiometria complessiva è: </p> <dl><dd>6 S<sub>2</sub>Cl<sub>2</sub> + 16 NH<sub>3</sub> → S<sub>4</sub>N<sub>4</sub> + S<sub>8</sub> + 12 NH<sub>4</sub>Cl</dd></dl> <dl><dd>24 SCl<sub>2</sub> + 64 NH<sub>3</sub> → 4S<sub>4</sub>N<sub>4</sub> + S<sub>8</sub> + 48 NH<sub>4</sub>Cl</dd></dl> <p>Un'altra sintesi simile usa invece S<sub>2</sub>Cl<sub>2</sub> e <a href="/wiki/Cloruro_d%27ammonio" title="Cloruro d'ammonio">cloruro d'ammonio</a>:<sup id="cite_ref-Greenwood_1-4" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>4 NH<sub>4</sub>Cl + 6 S<sub>2</sub>Cl<sub>2</sub> → S<sub>4</sub>N<sub>4</sub> + 16 HCl + S<sub>8</sub></dd></dl> <p>Una sintesi più recente usa [(Me<sub>3</sub>Si)<sub>2</sub>N]<sub>2</sub>S come precursore con legami S–N preformati. [(Me<sub>3</sub>Si)<sub>2</sub>N]<sub>2</sub>S si ottiene facendo reagire bis(trimetilsilil)ammide di litio e SCl<sub>2</sub>: </p> <dl><dd>2 [Me<sub>3</sub>Si]<sub>2</sub>NLi + SCl<sub>2</sub> → [(Me<sub>3</sub>Si)<sub>2</sub>N]<sub>2</sub>S + 2 LiCl</dd></dl> <p>[(Me<sub>3</sub>Si)<sub>2</sub>N]<sub>2</sub>S reagisce quindi con SCl<sub>2</sub> e <a href="/wiki/Cloruro_di_solforile" title="Cloruro di solforile">SO<sub>2</sub>Cl<sub>2</sub></a> per formare S<sub>4</sub>N<sub>4</sub>, <a href="/wiki/Trimetilclorosilano" title="Trimetilclorosilano">trimetilclorosilano</a> e <a href="/wiki/Diossido_di_zolfo" class="mw-redirect" title="Diossido di zolfo">diossido di zolfo</a>:<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>[(Me<sub>3</sub>Si)<sub>2</sub>N]<sub>2</sub>S + SCl<sub>2</sub> + SO<sub>2</sub>Cl<sub>2</sub> → S<sub>4</sub>N<sub>4</sub> + 4 Me<sub>3</sub>SiCl + SO<sub>2</sub></dd></dl> <p>Il tetranitruro di tetrazolfo può essere ottenuto anche con <a href="/wiki/Ammoniaca" title="Ammoniaca">ammoniaca</a> in aggiunta a <a href="/wiki/Cloruro_di_metilene" class="mw-redirect" title="Cloruro di metilene">cloruro di metilene</a> e seguita da ricristallizzazione in toluene per reazione di <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> (II), <a href="/wiki/Cloruro_di_zolfo" class="mw-redirect" title="Cloruro di zolfo">cloruro di zolfo</a> (I) e <a href="/w/index.php?title=Miscela_cloruro&action=edit&redlink=1" class="new" title="Miscela cloruro (la pagina non esiste)">miscela cloruro</a>.<sup id="cite_ref-Ralf_Alsfasser,_H._J._Meyer_3-2" class="reference"><a href="#cite_note-Ralf_Alsfasser,_H._J._Meyer-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {7\ S_{2}Cl_{2}+16\ NH_{3}\longrightarrow S_{4}N_{4}+12\ NH_{4}Cl+9\ S+SCl_{2}} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>7</mn> <mtext> </mtext> <msub> <mi mathvariant="normal">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">l</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <mn>16</mn> <mtext> </mtext> <mi mathvariant="normal">N</mi> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo stretchy="false">⟶</mo> <msub> <mi mathvariant="normal">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <msub> <mi mathvariant="normal">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <mo>+</mo> <mn>12</mn> <mtext> </mtext> <mi mathvariant="normal">N</mi> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">l</mi> <mo>+</mo> <mn>9</mn> <mtext> </mtext> <mi mathvariant="normal">S</mi> <mo>+</mo> <mi mathvariant="normal">S</mi> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">l</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {7\ S_{2}Cl_{2}+16\ NH_{3}\longrightarrow S_{4}N_{4}+12\ NH_{4}Cl+9\ S+SCl_{2}} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cdf3f8dcf2f4a220125f46e3b71daaad794865a0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:53.995ex; height:2.509ex;" alt="{\displaystyle \mathrm {7\ S_{2}Cl_{2}+16\ NH_{3}\longrightarrow S_{4}N_{4}+12\ NH_{4}Cl+9\ S+SCl_{2}} }"></span></dd></dl> <p>Inoltre è possibile riscontrare una <a href="/wiki/Reazione_chimica" title="Reazione chimica">reazione</a> dello <a href="/wiki/Zolfo" title="Zolfo">zolfo</a> con l'<a href="/wiki/Ammoniaca" title="Ammoniaca">ammoniaca</a> liquida in presenza di <a href="/wiki/Nitrato_d%27argento" title="Nitrato d'argento">nitrato d'argento</a>.<sup id="cite_ref-Arnold_F._Holleman,_Egon_Wiberg_5-1" class="reference"><a href="#cite_note-Arnold_F._Holleman,_Egon_Wiberg-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {16\ NH_{3}+5\ S_{8}\longrightarrow 4\ S_{4}N_{4}+24\ H_{2}S} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>16</mn> <mtext> </mtext> <mi mathvariant="normal">N</mi> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>+</mo> <mn>5</mn> <mtext> </mtext> <msub> <mi mathvariant="normal">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>8</mn> </mrow> </msub> <mo stretchy="false">⟶</mo> <mn>4</mn> <mtext> </mtext> <msub> <mi mathvariant="normal">S</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <msub> <mi mathvariant="normal">N</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <mo>+</mo> <mn>24</mn> <mtext> </mtext> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi mathvariant="normal">S</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathrm {16\ NH_{3}+5\ S_{8}\longrightarrow 4\ S_{4}N_{4}+24\ H_{2}S} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/159045916921638ff5b9593210a303f040d92b4e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:36.195ex; height:2.509ex;" alt="{\displaystyle \mathrm {16\ NH_{3}+5\ S_{8}\longrightarrow 4\ S_{4}N_{4}+24\ H_{2}S} }"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Reattività"><span id="Reattivit.C3.A0"></span>Reattività</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=6" title="Modifica la sezione Reattività" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=6" title="Edit section's source code: Reattività"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Reazioni_acido-base">Reazioni acido-base</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=7" title="Modifica la sezione Reazioni acido-base" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=7" title="Edit section's source code: Reazioni acido-base"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:S4N4.BF3-from-xtal-1967-3D-balls.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/S4N4.BF3-from-xtal-1967-3D-balls.png/220px-S4N4.BF3-from-xtal-1967-3D-balls.png" decoding="async" width="220" height="245" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/S4N4.BF3-from-xtal-1967-3D-balls.png/330px-S4N4.BF3-from-xtal-1967-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/S4N4.BF3-from-xtal-1967-3D-balls.png/440px-S4N4.BF3-from-xtal-1967-3D-balls.png 2x" data-file-width="987" data-file-height="1100" /></a><figcaption>S<sub>4</sub>N<sub>4</sub>•BF<sub>3</sub></figcaption></figure> <p>S<sub>4</sub>N<sub>4</sub> può funzionare come <a href="/wiki/Base_di_Lewis" title="Base di Lewis">base di Lewis</a> e legare con l'azoto <a href="/wiki/Acido_di_Lewis" title="Acido di Lewis">acidi di Lewis</a> forti come <a href="/wiki/Pentacloruro_di_antimonio" title="Pentacloruro di antimonio">SbCl<sub>5</sub></a>, <a href="/wiki/Trifluoruro_di_boro" title="Trifluoruro di boro">BF<sub>3</sub></a> e <a href="/wiki/Triossido_di_zolfo" class="mw-redirect" title="Triossido di zolfo">SO<sub>3</sub></a>. Nell'addotto la struttura a gabbia di S<sub>4</sub>N<sub>4</sub> viene distorta, e quindi si può perdere la delocalizzazione degli elettroni.<sup id="cite_ref-Greenwood_1-5" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>S<sub>4</sub>N<sub>4</sub> + SbCl<sub>5</sub> → S<sub>4</sub>N<sub>4</sub>·SbCl<sub>5</sub></dd> <dd>S<sub>4</sub>N<sub>4</sub> + SO<sub>3</sub> → S<sub>4</sub>N<sub>4</sub>·SO<sub>3</sub></dd></dl> <p>S<sub>4</sub>N<sub>4</sub> può essere protonato con HBF<sub>4</sub> per formare un sale <a href="/wiki/Tetrafluoroborato" title="Tetrafluoroborato">tetrafluoroborato</a>: </p> <dl><dd>S<sub>4</sub>N<sub>4</sub> + HBF<sub>4</sub> → [S<sub>4</sub>N<sub>4</sub>H]<sup>+</sup>[BF<sub>4</sub>]<sup>–</sup></dd></dl> <p>L'acido di Lewis debole <a href="/wiki/CuCl" class="mw-redirect" title="CuCl">CuCl</a> forma un polimero dove anelli intatti S<sub>4</sub>N<sub>4</sub> funzionano da leganti a ponte:<sup id="cite_ref-Greenwood_1-6" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><i>n</i> S<sub>4</sub>N<sub>4</sub> + <i>n</i> CuCl → (μ-S<sub>4</sub>N<sub>4</sub>)<sub><i>n</i></sub>(-Cu-Cl-)<sub><i>n</i></sub></dd></dl> <p>In presenza di basi S<sub>4</sub>N<sub>4</sub> è sensibile all'<a href="/wiki/Idrolisi" title="Idrolisi">idrolisi</a>. Con <a href="/wiki/NaOH" class="mw-redirect" title="NaOH">NaOH</a> diluita l'idrolisi porta a <a href="/wiki/Tiosolfato" title="Tiosolfato">tiosolfato</a> e tritionato:<sup id="cite_ref-Greenwood_1-7" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>2S<sub>4</sub>N<sub>4</sub> + 6 OH<sup>−</sup> + 9H<sub>2</sub>O → S<sub>2</sub>O<sub>3</sub><sup>2–</sup> + 2 S<sub>3</sub>O<sub>6</sub><sup>2–</sup> + 8 NH<sub>3</sub></dd></dl> <p>Se la base è più concentrata si ottiene tiosolfato e <a href="/wiki/Solfito" title="Solfito">solfito</a>: </p> <dl><dd>S<sub>4</sub>N<sub>4</sub> + 6 OH<sup>–</sup> + 3 H<sub>2</sub>O → S<sub>2</sub>O<sub>3</sub><sup>2–</sup> + 2 SO<sub>3</sub><sup>2–</sup> + 4 NH<sub>3</sub></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Reazioni_con_complessi_metallici">Reazioni con complessi metallici</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=8" title="Modifica la sezione Reazioni con complessi metallici" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=8" title="Edit section's source code: Reazioni con complessi metallici"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Questo argomento è stato recensito;<sup id="cite_ref-Chivers_2-1" class="reference"><a href="#cite_note-Chivers-2"><span class="cite-bracket">[</span>2<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> esistono reazioni dove l'anello S<sub>4</sub>N<sub>4</sub> rimane quasi intatto e reazioni dove l'anello viene rotto. </p><p>Ad esempio, S<sub>4</sub>N<sub>4</sub> dà <a href="/wiki/Addizione_ossidativa" title="Addizione ossidativa">addizione ossidativa</a> con il <a href="/wiki/Complesso_di_Vaska" title="Complesso di Vaska">complesso di Vaska</a>, Ir(CO)(Cl)(PPh<sub>3</sub>)<sub>2</sub>, per formare un complesso esacoordinato di iridio dove S<sub>4</sub>N<sub>4</sub> è legato con due atomi di zolfo e uno di azoto. Il composto si forma rompendo uno dei legami S–N durante l'addizione ossidativa; il secondo atomo di zolfo appartiene all'anello e si coordina con un doppietto non condiviso. A partire dal <a href="/wiki/Sale_di_Zeise" title="Sale di Zeise">sale di Zeise</a> si ottiene un analogo complesso di Pt(IV). La reazione tra S<sub>4</sub>N<sub>4</sub> e [Pd<sub>2</sub>Cl<sub>6</sub>]<sup>2−</sup> porta invece a una serie di tre complessi di palladio dove l'anello S<sub>4</sub>N<sub>4</sub> è stato frammentato. </p> <div class="mw-heading mw-heading3"><h3 id="Come_precursore_di_altri_composti_S–N"><span id="Come_precursore_di_altri_composti_S.E2.80.93N"></span>Come precursore di altri composti S–N</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=9" title="Modifica la sezione Come precursore di altri composti S–N" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=9" title="Edit section's source code: Come precursore di altri composti S–N"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A partire da S<sub>4</sub>N<sub>4</sub> si preparano molti composti S–N importanti.<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> La reazione con <a href="/wiki/Piperidina" title="Piperidina">piperidina</a> produce [S<sub>4</sub>N<sub>5</sub>]<sup>−</sup>: </p> <dl><dd>3S<sub>4</sub>N<sub>4</sub> + 4C<sub>5</sub>H<sub>10</sub>NH → (C<sub>5</sub>H<sub>10</sub>NH<sub>2</sub>)<sup>+</sup>[S<sub>4</sub>N<sub>5</sub>]<sup>−</sup> + (C<sub>5</sub>H<sub>10</sub>N)<sub>2</sub>S + ⅜S<sub>8</sub> + N<sub>2</sub></dd></dl> <p>Ad indicare la ricchezza di quest'area, è noto anche il catione [S<sub>4</sub>N<sub>5</sub>]<sup>+</sup>. </p><p>La reazione con l'azide di tetrametilammonio produce l'eterociclo [S<sub>3</sub>N<sub>3</sub>]<sup>−</sup>: </p> <dl><dd>S<sub>4</sub>N<sub>4</sub> + NMe<sub>4</sub>N<sub>3</sub> → NMe<sub>4</sub>[S<sub>3</sub>N<sub>3</sub>] + ⅛S<sub>8</sub> + 2 N<sub>2</sub></dd></dl> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Tetrasulfur-tetranitride-3D-vdW.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Tetrasulfur-tetranitride-3D-vdW.png/220px-Tetrasulfur-tetranitride-3D-vdW.png" decoding="async" width="220" height="209" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Tetrasulfur-tetranitride-3D-vdW.png/330px-Tetrasulfur-tetranitride-3D-vdW.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Tetrasulfur-tetranitride-3D-vdW.png/440px-Tetrasulfur-tetranitride-3D-vdW.png 2x" data-file-width="1100" data-file-height="1043" /></a><figcaption>Struttura in 3D del tetranitruro di tetrazolfo</figcaption></figure> <p>Per quanto riguarda il conteggio degli elettroni, [S<sub>3</sub>N<sub>3</sub>]<sup>−</sup> ha 10 elettroni pi greco: due per ogni S, più uno per ogni N, più uno per la carica negativa. </p><p>In una reazione apparentemente simile, con [(Ph<sub>3</sub>P)<sub>2</sub>N]N<sub>3</sub> si ottiene un sale contenente l'anione blu scuro NS<sub>4</sub><sup>−</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> </p> <dl><dd>2S<sub>4</sub>N<sub>4</sub> + [(Ph<sub>3</sub>P)<sub>2</sub>N]N<sub>3</sub> → [(Ph<sub>3</sub>P)<sub>2</sub>N][NS<sub>4</sub>] + ½S<sub>8</sub> + 5 N<sub>2</sub></dd></dl> <p>L'anione NS<sub>4</sub><sup>−</sup> è descritto come ibrido di risonanza delle strutture [S=S=N-S-S]<sup>−</sup>↔[S–S–N=S=S]<sup>−</sup>. </p><p>Passando S<sub>4</sub>N<sub>4</sub> gassoso su argento metallico si ottiene il <a href="/w/index.php?title=Polythiazyle&action=edit&redlink=1" class="new" title="Polythiazyle (la pagina non esiste)">Polythiazyle</a>, indicato spesso semplicemente come "(SN)<sub><i>x</i></sub>", che è un <a href="/wiki/Superconduttore" class="mw-redirect" title="Superconduttore">superconduttore</a> a bassa <a href="/wiki/Temperatura" title="Temperatura">temperatura</a> (<a href="/wiki/Temperatura" title="Temperatura">temperatura</a> di transizione 0,26±0,03 K<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup>). Nella conversione, l'<a href="/wiki/Argento" title="Argento">argento</a> dapprima diventa <a href="/wiki/Solfuro" class="mw-redirect" title="Solfuro">solfuro</a>, Ag<sub>2</sub>S, che poi catalizza la conversione di S<sub>4</sub>N<sub>4</sub> nella specie ciclica a quattro membri S<sub>2</sub>N<sub>2</sub>, che polimerizza subito.<sup id="cite_ref-Greenwood_1-8" class="reference"><a href="#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>S<sub>4</sub>N<sub>4</sub> + 8 Ag → 4 Ag<sub>2</sub>S + 2N<sub>2</sub></dd> <dd>S<sub>4</sub>N<sub>4</sub> → (SN)<sub><i>x</i></sub></dd> <dd>S<sub>2</sub>N<sub>2</sub> → (SN)<sub><i>x</i></sub> <i>(polimerizzazione termica)</i></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Produzione_di_altri_nitruri_di_zolfo">Produzione di altri nitruri di zolfo</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=10" title="Modifica la sezione Produzione di altri nitruri di zolfo" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=10" title="Edit section's source code: Produzione di altri nitruri di zolfo"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Trattamento con tetrametilammonio acido:</li></ul> <p>S<sub>4</sub>N<sub>4</sub> + (CH3)<sub>4</sub>N<sup>+</sup>N<sub>3</sub><sup>–</sup> → (CH3)<sub>4</sub>N<sup>+</sup>[S<sub>3</sub>N<sub>3</sub>]<sup>–</sup> + 3/8 S<sub>8</sub> + 2 N<sub>2</sub>. </p> <ul><li>In una reazione simile reagisce con <a href="/w/index.php?title=Bis(trifenilfosfina)iminio_cloruro&action=edit&redlink=1" class="new" title="Bis(trifenilfosfina)iminio cloruro (la pagina non esiste)">bis(trifenilfosfina)imminio cloruro</a> ([(C<sub>6</sub>H<sub>5</sub>)<sub>3</sub>P)<sub>2</sub>N]<sup>+</sup>N<sub>3</sub><sup>–</sup> che contiene l'<a href="/wiki/Anione" title="Anione">anione</a> blu [NS<sub>4</sub>]<sup>−</sup>)</li></ul> <p>2 S<sub>4</sub>N<sub>4</sub> + [(C<sub>6</sub>H<sub>5</sub>)<sub>3</sub>P)<sub>2</sub>N]<sup>+</sup>N<sub>3</sub><sup>–</sup> → [(C<sub>6</sub>H<sub>5</sub>)<sub>3</sub>P)<sub>2</sub>N]<sup>+</sup>[NS<sub>4</sub>]<sup>–</sup> + 3/8 S<sub>8</sub> + 5 N<sub>2</sub>. </p> <div class="mw-heading mw-heading3"><h3 id="Altre_reazioni">Altre reazioni</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=11" title="Modifica la sezione Altre reazioni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=11" title="Edit section's source code: Altre reazioni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>S<sub>4</sub>N<sub>4</sub> reagisce con <a href="/wiki/Metalli_alcalini" title="Metalli alcalini">metalli alcalini</a> poveri di elettroni.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>S<sub>4</sub>N<sub>4</sub> ha dimostrato di co-cristallizzare con <a href="/wiki/Benzene" title="Benzene">benzene</a> e <a href="/wiki/Fullerene" class="mw-redirect" title="Fullerene">fullerene</a> (<a href="/wiki/C60" class="mw-redirect" title="C60">C60</a>).<sup id="cite_ref-Konarev_16-0" class="reference"><a href="#cite_note-Konarev-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>Il composto similare di <a href="/wiki/Selenio" title="Selenio">selenio</a> Se<sub>4</sub>N<sub>4</sub> <style data-mw-deduplicate="TemplateStyles:r140554517">.mw-parser-output .chiarimento{background:#ffeaea;color:#444444}.mw-parser-output .chiarimento-apice{color:#EE0700}@media screen{html.skin-theme-clientpref-night .mw-parser-output .chiarimento{background:rgba(179,36,36,0.21);color:inherit}html.skin-theme-clientpref-night .mw-parser-output .chiarimento-apice{color:#b32424}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .chiarimento{background:rgba(179,36,36,0.21);color:inherit}html.skin-theme-clientpref-os .mw-parser-output .chiarimento-apice{color:#b32424}}</style><span class="chiarimento" title="Queste informazioni non sono comprovate da fonti attendibili.">è noto ed è stato oggetto di una ricerca.</span><sup class="noprint chiarimento-apice" title="Queste informazioni non sono comprovate da fonti attendibili.">[<i><a href="/wiki/Wikipedia:Uso_delle_fonti" title="Wikipedia:Uso delle fonti">senza fonte</a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Sicurezza">Sicurezza</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=12" title="Modifica la sezione Sicurezza" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=12" title="Edit section's source code: Sicurezza"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>S<sub>4</sub>N<sub>4</sub> è molto sensibile agli urti e bisogna evitare di macinare campioni solidi. È stato riportato che campioni più puri sono più sensibili di quelli contaminati con zolfo elementare. Esplode per accensione se acceso in grosse quantità o se confinato dentro contenitori, mentre in piccole quantità ed allo stato di polvere impalpabile tende a deflagrare. Utilizzare le normali precauzioni adottate per gli esplosivi primari. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=13" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=13" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-Greenwood-1"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-Greenwood_1-0">a</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-1">b</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-2">c</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-3">d</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-4">e</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-5">f</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-6">g</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-7">h</a></i></sup> <sup><i><a href="#cite_ref-Greenwood_1-8">i</a></i></sup></span> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> N. N. Greenwood, A. Earnshaw, <span style="font-style:italic;">Chemistry of the elements</span>, 2ª ed., Oxford, Butterworth-Heinemann, 1997, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/0-7506-3365-4" title="Speciale:RicercaISBN/0-7506-3365-4">0-7506-3365-4</a>.</cite></span> </li> <li id="cite_note-Chivers-2"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-Chivers_2-0">a</a></i></sup> <sup><i><a href="#cite_ref-Chivers_2-1">b</a></i></sup></span> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> T. Chivers, <span style="font-style:italic;">A guide to chalcogen-nitrogen chemistry</span>, Singapore, World Scientific Publishing Company, 2004, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/981-256-095-5" title="Speciale:RicercaISBN/981-256-095-5">981-256-095-5</a>.</cite></span> </li> <li id="cite_note-Ralf_Alsfasser,_H._J._Meyer-3"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-Ralf_Alsfasser,_H._J._Meyer_3-0">a</a></i></sup> <sup><i><a href="#cite_ref-Ralf_Alsfasser,_H._J._Meyer_3-1">b</a></i></sup> <sup><i><a href="#cite_ref-Ralf_Alsfasser,_H._J._Meyer_3-2">c</a></i></sup></span> <span class="reference-text"><cite class="citation libro" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="tedesco">DE</abbr></span>) Ralf Alsfasser e Erwin Riedel, <a rel="nofollow" class="external text" href="http://books.google.com/books?id=HwY4be5bH_sC"><span style="font-style:italic;">Moderne Anorganische Chemie</span></a>, Walter de Gruyter, 2007, p. 121, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/978-3-11-019060-1" title="Speciale:RicercaISBN/978-3-11-019060-1">978-3-11-019060-1</a>.</cite></span> </li> <li id="cite_note-Hans-Georg_Elias-4"><a href="#cite_ref-Hans-Georg_Elias_4-0"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> Hans-Georg Elias, <span style="font-style:italic;">Makromolekule Band 3: Industrielle Polymere und Synthesen</span>, John Wiley & Sons, 2009, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/3-527-62652-2" title="Speciale:RicercaISBN/3-527-62652-2">3-527-62652-2</a>.</cite></span> </li> <li id="cite_note-Arnold_F._Holleman,_Egon_Wiberg-5"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-Arnold_F._Holleman,_Egon_Wiberg_5-0">a</a></i></sup> <sup><i><a href="#cite_ref-Arnold_F._Holleman,_Egon_Wiberg_5-1">b</a></i></sup></span> <span class="reference-text"><cite class="citation libro" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="tedesco">DE</abbr></span>) Arnold F. Holleman, <a rel="nofollow" class="external text" href="http://books.google.com/books?id=eGkvSDAqY9gC"><span style="font-style:italic;">Lehrbuch der anorganischen Chemie</span></a>, Walter de Gruyter, 1995, p. 600, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/978-3-11-012641-9" title="Speciale:RicercaISBN/978-3-11-012641-9">978-3-11-012641-9</a>.</cite></span> </li> <li id="cite_note-6"><a href="#cite_ref-6"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> B. D. Sharma, J. Donohue, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1107/S0365110X63002401"><span style="font-style:italic;">The crystal and molecular structure of sulfur nitride, S<sub>4</sub>N<sub>4</sub></span></a>, in <span style="font-style:italic;">Acta Crystallographica</span>, vol. 16, n. 9, 1963, pp. 891–897, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1107%2FS0365110X63002401">10.1107/S0365110X63002401</a>.</cite></span> </li> <li id="cite_note-7"><a href="#cite_ref-7"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> H. S. Rzepa, J. D. Woollins, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1016/S0277-5387(00)84253-9"><span style="font-style:italic;">A PM3 SCF-MO study of the structure and bonding in the cage systems S<sub>4</sub>N<sub>4</sub> and S<sub>4</sub>N<sub>4</sub>X (X=N<sup>+</sup>, N<sup>–</sup>, S, N<sub>2</sub>S, P<sup>+</sup>, C, Si, B<sup>–</sup> and Al<sup>–</sup></span></a>, in <span style="font-style:italic;">Polyhedron</span>, vol. 9, n. 1, pp. 107-111, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2FS0277-5387%2800%2984253-9">10.1016/S0277-5387(00)84253-9</a>.</cite></span> </li> <li id="cite_note-8"><a href="#cite_ref-8"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> W. L. Jolly, S. A. Lipp, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1021/ic50095a008"><span style="font-style:italic;">Reaction of tetrasulfur tetranitride with sulfuric acid</span></a>, in <span style="font-style:italic;">Inorg. Chem.</span>, vol. 10, n. 1, 1971, pp. 33-38, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1021%2Fic50095a008">10.1021/ic50095a008</a>.</cite></span> </li> <li id="cite_note-9"><a href="#cite_ref-9"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> M. Villena-Blanco, W. L. Jolly, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1002/9780470132401.ch26"><span style="font-style:italic;">Tetrasulfur tetranitride, S<sub>4</sub>N<sub>4</sub></span></a>, in <span style="font-style:italic;">Inorg. Synth.</span>, vol. 9, 1967, pp. 98-102, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002%2F9780470132401.ch26">10.1002/9780470132401.ch26</a>.</cite></span> </li> <li id="cite_note-10"><a href="#cite_ref-10"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> A. Maaninen, J. Siivari, R. S. Laitinen, T. Chivers, <span style="font-style:italic;">Tetrasulfur-tetranitride (S<sub>4</sub>N<sub>4</sub>)</span>, in <span style="font-style:italic;">Inorg. Synth.</span>, vol. 33, 2002, pp. 196-199.</cite></span> </li> <li id="cite_note-11"><a href="#cite_ref-11"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> P. F. Kelly, A. M. Z. Slawin, D. J. Williams, J. D. Woollins, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1039/CS9922100245"><span style="font-style:italic;">Caged explosives: metal-stabilized chalcogen nitrides</span></a>, in <span style="font-style:italic;">Chem. Soc. Rev.</span>, vol. 21, 1992, pp. 245-252, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1039%2FCS9922100245">10.1039/CS9922100245</a>.</cite></span> </li> <li id="cite_note-12"><a href="#cite_ref-12"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> J. Bojes, T. Chivers, R. T. Oakley, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1002/9780470132562.ch7"><span style="font-style:italic;">Binary cyclic nitrogen-sulfur anions</span></a>, in <span style="font-style:italic;">Inorg. Synth.</span>, vol. 25, 1989, pp. 30-40, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002%2F9780470132562.ch7">10.1002/9780470132562.ch7</a>.</cite></span> </li> <li id="cite_note-13"><a href="#cite_ref-13"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> J. Bojes, T. Chivers, R. T. Oakley, <span style="font-style:italic;">Binary catena-nitrogen-sulfur anoins</span>, in <span style="font-style:italic;">Inorg. Synth.</span>, vol. 25, 1989, pp. 35-38.</cite></span> </li> <li id="cite_note-14"><a href="#cite_ref-14"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> R. L. Greene, G. B. Street, L. J. Suter, <a rel="nofollow" class="external text" href="https://oadoi.org/10.1103/PhysRevLett.34.577"><span style="font-style:italic;">Superconductivity in polysulfur nitride (SN)<sub>x</sub></span></a>, in <span style="font-style:italic;">Phys. Rev. Lett.</span>, vol. 34, 1975, pp. 577–579, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevLett.34.577">10.1103/PhysRevLett.34.577</a>.</cite></span> </li> <li id="cite_note-15"><a href="#cite_ref-15"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> Dunn, P. J. e <a href="/w/index.php?title=Henry_Rzepa&action=edit&redlink=1" class="new" title="Henry Rzepa (la pagina non esiste)">Rzepa, H. 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A Molecular Orbital Study</span></a>, in <span style="font-style:italic;"><a href="/w/index.php?title=Journal_of_the_Chemical_Society,_Perkin_Transactions_2&action=edit&redlink=1" class="new" title="Journal of the Chemical Society, Perkin Transactions 2 (la pagina non esiste)">Journal of the Chemical Society, Perkin Transactions 2</a></span>, vol. 1987, n. 11, 1987, pp. 1669–1670, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1039%2Fp29870001669">10.1039/p29870001669</a>.</cite></span> </li> <li id="cite_note-Konarev-16"><a href="#cite_ref-Konarev_16-0"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> Konarev, D. V.; Lyubovskaya, R. N.; Drichko, N. V.; Yudanova, E. I.; Shulga, Yu. M.; Litvinov, A. L.; Semkin V. N.; Tarasov, B. P., <a rel="nofollow" class="external text" href="https://oadoi.org/10.1039/a907106g"><span style="font-style:italic;">Donor-Acceptor Complexes of Fullerene C<sub>60</sub> with Organic and Organometallic Donors</span></a>, in <span style="font-style:italic;"><a href="/w/index.php?title=Journal_of_Materials_Chemistry&action=edit&redlink=1" class="new" title="Journal of Materials Chemistry (la pagina non esiste)">Journal of Materials Chemistry</a></span>, vol. 10, n. 4, 2000, pp. 803–818, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1039%2Fa907106g">10.1039/a907106g</a>.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&veaction=edit&section=14" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tetranitruro_di_tetrazolfo&action=edit&section=14" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; 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width:7.5em;">Con l'<a href="/wiki/Ossigeno" title="Ossigeno">ossigeno</a></th><td colspan="1" style="text-align:left;"><a href="/wiki/Monossido_di_azoto" title="Monossido di azoto">Monossido di azoto</a><b> ·</b> <a href="/wiki/Diossido_di_azoto" title="Diossido di azoto">Diossido di azoto</a><b> ·</b> <a href="/wiki/Ossido_di_diazoto" title="Ossido di diazoto">Ossido di diazoto</a><b> ·</b> <a href="/w/index.php?title=Diossido_di_diazoto&action=edit&redlink=1" class="new" title="Diossido di diazoto (la pagina non esiste)">Diossido di diazoto</a><b> ·</b> <a href="/wiki/Triossido_di_diazoto" title="Triossido di diazoto">Triossido di diazoto</a><b> ·</b> <a href="/wiki/Tetrossido_di_diazoto" title="Tetrossido di diazoto">Tetraossido di diazoto</a><b> ·</b> <a href="/wiki/Pentossido_di_diazoto" title="Pentossido di diazoto">Pentaossido di diazoto</a><b> ·</b> <a href="/wiki/Nitrosilazoturo" title="Nitrosilazoturo">Nitrosilazoturo</a><b> ·</b> <a href="/wiki/Nitrilazoturo" title="Nitrilazoturo">Nitrilazoturo</a></td></tr><tr><th class="subnavbox_group" style="text-align:right; width:7.5em;">Con l'ossigeno e l'idrogeno</th><td colspan="1" style="text-align:left;"><a href="/wiki/Acido_nitrico" title="Acido nitrico">Acido nitrico</a><b> ·</b> <a href="/wiki/Acido_nitroso" title="Acido nitroso">acido nitroso</a><b> ·</b> <a href="/wiki/Idrossilammina" title="Idrossilammina">Idrossilammina</a><b> ·</b> <a href="/wiki/Acido_iponitroso" title="Acido iponitroso">acido iponitroso</a><b> ·</b> <a href="/w/index.php?title=Nitrosile&action=edit&redlink=1" class="new" title="Nitrosile (la pagina non esiste)">nitrosile</a></td></tr><tr><th class="subnavbox_group" style="text-align:right; width:7.5em;">Con gli <a href="/wiki/Alogeni" title="Alogeni">alogeni</a></th><td colspan="1" style="text-align:left;"><a href="/wiki/Trifluoruro_di_azoto" title="Trifluoruro di azoto">Trifluoruro di azoto</a><b> ·</b> <a href="/wiki/Tetrafluoroidrazina" title="Tetrafluoroidrazina">Tetrafluoroidrazina</a><b> ·</b> <a href="/wiki/Difluoroammina" title="Difluoroammina">Difluoroammina</a><b> ·</b> <a href="/w/index.php?title=Difluorodiazene&action=edit&redlink=1" class="new" title="Difluorodiazene (la pagina non esiste)">Difluorodiazene</a><b> ·</b> <a href="/wiki/Difluoruro_di_diazoto" title="Difluoruro di diazoto">Difluoruro di diazoto</a><b> ·</b> <a href="/wiki/Fluoruro_di_triazoto" title="Fluoruro di triazoto">Fluoruro di triazoto</a><b> ·</b> <a href="/w/index.php?title=Ossido_di_trifluoroammina&action=edit&redlink=1" class="new" title="Ossido di trifluoroammina (la pagina non esiste)">Ossido di trifluoroammina</a><b> ·</b> <a href="/w/index.php?title=Clorodifluoroammina&action=edit&redlink=1" class="new" title="Clorodifluoroammina (la pagina non esiste)">Clorodifluoroammina</a><b> ·</b> <a href="/w/index.php?title=Diclorofluoroammina&action=edit&redlink=1" class="new" title="Diclorofluoroammina (la pagina non esiste)">Diclorofluoroammina</a><b> ·</b> <a href="/wiki/Tricloruro_di_azoto" title="Tricloruro di azoto">Tricloruro di azoto</a><b> ·</b> <a href="/w/index.php?title=Cloroazoturo&action=edit&redlink=1" class="new" title="Cloroazoturo (la pagina non esiste)">Cloroazoturo</a><b> ·</b> <a href="/wiki/Tribromuro_di_azoto" title="Tribromuro di azoto">Tribromuro di azoto</a><b> ·</b> <a href="/w/index.php?title=Bromoazoturo&action=edit&redlink=1" class="new" title="Bromoazoturo (la pagina non esiste)">Bromoazoturo</a><b> ·</b> <a href="/wiki/Nitruro_di_iodio" title="Nitruro di iodio">Triioduro di azoto</a><b> ·</b> <a href="/w/index.php?title=Iodoazoturo&action=edit&redlink=1" class="new" title="Iodoazoturo (la pagina non esiste)">Iodoazoturo</a><b> ·</b> <a href="/w/index.php?title=Alogenoammine&action=edit&redlink=1" class="new" title="Alogenoammine (la pagina non esiste)">Alogenoammine</a><b> ·</b> <a href="/w/index.php?title=Ossoalogenuri&action=edit&redlink=1" class="new" title="Ossoalogenuri (la pagina non esiste)">Ossoalogenuri</a><b> ·</b> <a href="/w/index.php?title=Alogenonitrati&action=edit&redlink=1" class="new" title="Alogenonitrati (la pagina non esiste)">Alogenonitrati</a><b> ·</b> <a href="/wiki/Trifluoruro_di_tiazile" title="Trifluoruro di tiazile">Trifluoruro di tiazile</a></td></tr><tr><th class="subnavbox_group" style="text-align:right; width:7.5em;">Con il <a href="/wiki/Boro" title="Boro">boro</a></th><td colspan="1" style="text-align:left;"><a href="/wiki/Nitruro_di_boro" title="Nitruro di boro">Nitruro di boro</a><b> ·</b> <a href="/wiki/Borazina" title="Borazina">Borazina</a><b> ·</b> <a href="/w/index.php?title=Amminoborani&action=edit&redlink=1" class="new" title="Amminoborani (la pagina non esiste)">Amminoborani</a></td></tr><tr><th class="subnavbox_group" style="text-align:right; width:7.5em;">Con il <a href="/wiki/Fosforo" title="Fosforo">fosforo</a></th><td colspan="1" style="text-align:left;"><a href="/w/index.php?title=Acido_fosforoamidico&action=edit&redlink=1" class="new" title="Acido fosforoamidico (la pagina non esiste)">Acido fosforoamidico</a><b> ·</b> <a href="/w/index.php?title=Acido_fosforodiamidico&action=edit&redlink=1" class="new" title="Acido fosforodiamidico (la pagina non esiste)">Acido fosforodiamidico</a><b> ·</b> <a href="/w/index.php?title=Triamide&action=edit&redlink=1" class="new" title="Triamide (la pagina non esiste)">Triamide</a><b> ·</b> <a href="/wiki/Fosfazeni" title="Fosfazeni">Fosfazeni</a><b> ·</b> <a href="/w/index.php?title=Policlorofosfazeni&action=edit&redlink=1" class="new" title="Policlorofosfazeni (la pagina non esiste)">Policlorofosfazeni</a><b> ·</b> <a href="/w/index.php?title=Polifluorofosfazeni&action=edit&redlink=1" class="new" title="Polifluorofosfazeni (la pagina non esiste)">Polifluorofosfazeni</a><b> ·</b> <a href="/w/index.php?title=Fosfame&action=edit&redlink=1" class="new" title="Fosfame (la pagina non esiste)">Fosfame</a></td></tr><tr><th class="subnavbox_group" style="text-align:right; width:7.5em;">Con lo <a href="/wiki/Zolfo" title="Zolfo">zolfo</a></th><td colspan="1" style="text-align:left;"><a href="/wiki/Acido_ammidosolfonico" title="Acido ammidosolfonico">Acido ammidosolfonico</a><b> ·</b> <a href="/w/index.php?title=Solfuro_di_diazoto&action=edit&redlink=1" class="new" title="Solfuro di diazoto (la pagina non esiste)">Solfuro di diazoto</a><b> ·</b> <a href="/w/index.php?title=Disolfuro_di_azoto&action=edit&redlink=1" class="new" title="Disolfuro di azoto (la pagina non esiste)">Disolfuro di azoto</a><b> ·</b> <a class="mw-selflink selflink">Tetranitruro di tetrazolfo</a><b> ·</b> <a href="/w/index.php?title=Dinitruro_di_dizolfo&action=edit&redlink=1" class="new" title="Dinitruro di dizolfo (la pagina non esiste)">Dinitruro di dizolfo</a><b> ·</b> <a href="/w/index.php?title=Politiazile&action=edit&redlink=1" class="new" title="Politiazile (la pagina non esiste)">Politiazile</a><b> ·</b> <a href="/wiki/Trifluoruro_di_tiazile" title="Trifluoruro di tiazile">Trifluoruro di tiazile</a></td></tr></tbody></table></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center;">Composti organici</th><td colspan="1" class="navbox_list navbox_even" style="text-align:left;"><a href="/wiki/Ammine" title="Ammine">Ammine</a><b> ·</b> <a href="/wiki/Ammidi" title="Ammidi">Ammidi</a><b> ·</b> <a href="/wiki/Lattami" title="Lattami">Lattami</a><b> ·</b> <a href="/wiki/Nitrili" title="Nitrili">Nitrili</a><b> ·</b> <a href="/wiki/Cianidrine" title="Cianidrine">Cianidrine</a><b> ·</b> <a href="/wiki/Nitroderivati" title="Nitroderivati">Nitroderivati</a><b> ·</b> <a href="/wiki/Nitrosoderivati" title="Nitrosoderivati">Nitrosoderivati</a><b> ·</b> <a href="/wiki/Immidi" title="Immidi">Immidi</a><b> ·</b> <a href="/wiki/Diazine" title="Diazine">Diazine</a><b> ·</b> <a href="/wiki/Triazine" title="Triazine">Triazine</a><b> ·</b> <a href="/wiki/Tetrazine" title="Tetrazine">Tetrazine</a><b> ·</b> <a href="/wiki/Ossima" title="Ossima">Ossime</a><b> ·</b> <a href="/wiki/Idrazoni" title="Idrazoni">Idrazoni</a><b> ·</b> <a href="/wiki/Azoturo" title="Azoturo">Azidi</a><b> ·</b> <a href="/wiki/N-nitrosammine" title="N-nitrosammine">N-nitrosammine</a><b> ·</b> <a href="/wiki/Sale_di_diazonio" title="Sale di diazonio">Sali di diazonio</a><b> ·</b> <a href="/wiki/Isocianati" title="Isocianati">Isocianati</a><b> ·</b> <a href="/wiki/Carbammati" title="Carbammati">Carbammati</a><b> ·</b> <a href="/wiki/Cianammiduri" title="Cianammiduri">Cianammiduri</a><b> ·</b> <a href="/wiki/Carbodiimmidi" title="Carbodiimmidi">Carbodiimmidi</a><b> ·</b> <a href="/wiki/Nitrone" title="Nitrone">Nitroni</a><b> ·</b> <a href="/w/index.php?title=Eterocicli_azotati&action=edit&redlink=1" class="new" title="Eterocicli azotati (la pagina non esiste)">Eterocicli azotati</a><b> ·</b> <a href="/wiki/Amminoacido" title="Amminoacido">Amminoacidi</a><b> ·</b> <a href="/wiki/Alcaloidi" title="Alcaloidi">Alcaloidi</a><b> ·</b> <a href="/wiki/Peptide" title="Peptide">Peptidi</a><b> ·</b> <a href="/wiki/Isotiocianati" title="Isotiocianati">Isotiocianati</a></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:center;">Classi di composti</th><td colspan="1" class="navbox_list navbox_odd" style="text-align:left;"><a href="/wiki/Nitruri" title="Nitruri">Nitruri</a><b> ·</b> <a href="/wiki/Azoturo" title="Azoturo">Azoturi</a><b> ·</b> <a href="/wiki/Azani" title="Azani">Azani,Azeni</a><b> ·</b> <a href="/wiki/Azocomposti" title="Azocomposti">Azocomposti</a><b> ·</b> <a href="/wiki/Diazocomposti" title="Diazocomposti">Diazocomposti</a></td></tr></tbody></table> <div class="noprint" style="width:100%; 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cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>15 lingue</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Aggiungi argomento</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-b766959bd-hxrgw","wgBackendResponseTime":147,"wgPageParseReport":{"limitreport":{"cputime":"0.408","walltime":"0.632","ppvisitednodes":{"value":2656,"limit":1000000},"postexpandincludesize":{"value":54330,"limit":2097152},"templateargumentsize":{"value":606,"limit":2097152},"expansiondepth":{"value":10,"limit":100},"expensivefunctioncount":{"value":6,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":22831,"limit":5000000},"entityaccesscount":{"value":6,"limit":400},"timingprofile":["100.00% 414.466 1 -total"," 42.71% 177.037 1 Template:Composto_chimico"," 27.45% 113.753 1 Template:Infobox"," 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