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Transparent yellow to dark orange single crystals of these phases were synthesized by reaction of NaN\n                    <jats:sub>3<\/jats:sub>\n                    and AuCl\n                    <jats:sub>3<\/jats:sub>\n                    or HAuCl\n                    <jats:sub>4<\/jats:sub>\n                    in different molar ratios from aqueous solution. Controlled dehydration of Na[Au(N\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>4<\/jats:sub>\n                    ]\u00b72H\n                    <jats:sub>2<\/jats:sub>\n                    O led to Na[Au(N\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>4<\/jats:sub>\n                    ]\u00b7H\n                    <jats:sub>2<\/jats:sub>\n                    O and Na[Au(N\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>4<\/jats:sub>\n                    ] in form of orange microcrystalline powders, the latter being a highly explosive material. Predominant structural features of all phases are discrete anions [AuCl\n                    <jats:sub>4\u2013<\/jats:sub>\n                    <jats:italic>\n                      <jats:sub>x<\/jats:sub>\n                    <\/jats:italic>\n                    (N\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:italic>\n                      <jats:sub>x<\/jats:sub>\n                    <\/jats:italic>\n                    ]\n                    <jats:sup>\u2013<\/jats:sup>\n                    with gold in an ordered square planar coordination of azide\/chloride anions. Vibrational spectra show good agreement with other known azidoaurates(III).\n                  <\/jats:p>","DOI":"10.1002\/chem.202502800","type":"journal-article","created":{"date-parts":[[2026,3,26]],"date-time":"2026-03-26T07:20:23Z","timestamp":1774509623000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Sodium Tetraazidoaurate(III)\u2014From Na[AuCl\n                    <sub>4<\/sub>\n                    ]\u00b72H\n                    <sub>2<\/sub>\n                    O to Na[Au(N\n                    <sub>3<\/sub>\n                    )\n                    <sub>4<\/sub>\n                    ] and Beyond One Step at a Time"],"prefix":"10.1002","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5606-9101","authenticated-orcid":false,"given":"Mehmet","family":"Somer","sequence":"first","affiliation":[{"name":"Chemistry Department Ko\u00e7 University  Sariyer\u2010\u0130stanbul 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