{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,1,14]],"date-time":"2025-01-14T05:17:23Z","timestamp":1736831843414,"version":"3.33.0"},"reference-count":31,"publisher":"International Union of Crystallography (IUCr)","issue":"12","license":[{"start":{"date-parts":[[2018,11,22]],"date-time":"2018-11-22T00:00:00Z","timestamp":1542844800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},{"start":{"date-parts":[[2018,11,22]],"date-time":"2018-11-22T00:00:00Z","timestamp":1542844800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.iucr.org\/services\/copyrightpolicy.html#TDM"}],"funder":[{"DOI":"10.13039\/100006132","name":"U.S. Department of Energy, Office of Science","doi-asserted-by":"publisher","award":["DE-SC0008885"],"award-info":[{"award-number":["DE-SC0008885"]}],"id":[{"id":"10.13039\/100006132","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr C Struct Chem","Acta Crystallogr C","Acta Crystallogr C Cryst Struct Commun","Acta Cryst C","Acta Cryst C Struct Chem","Acta Cryst Sect C","Acta Cryst Sect C Struct Chem","Acta Crystallogr Sect C","Acta Crystallogr Sect C Struct Chem","Acta Crystallogr Sect C Cryst Struct Commun"],"accepted":{"date-parts":[[2018,10,11]]},"published-print":{"date-parts":[[2018,12,1]]},"abstract":"<jats:p>The crystal structure of a new arsenide, Rb<jats:sub>3<\/jats:sub>Cu<jats:sub>3<\/jats:sub>As<jats:sub>2<\/jats:sub> (trirubidium tricopper diarsenide), has been established from single-crystal X-ray diffraction data. This compound crystallizes in the K<jats:sub>3<\/jats:sub>Cu<jats:sub>3<\/jats:sub>P<jats:sub>2<\/jats:sub> type, with layers of interlinked CuAs<jats:sub>2<\/jats:sub> units. The partitioning of the available valence electrons yields the charge-balanced composition (Rb<jats:sup>+<\/jats:sup>)<jats:sub>3<\/jats:sub>(Cu<jats:sup>+<\/jats:sup>)<jats:sub>3<\/jats:sub>(As<jats:sup>3\u2013<\/jats:sup>)<jats:sub>2<\/jats:sub>, placing this phase in a broad field of transition-metal-containing Zintl phases. First-principles calculations confirm a semiconducting ground state, in accordance with electron-counting considerations. Chemical bonding analysis reveals strong covalent Cu\u2014As bonds and ionic Rb...As interactions. In addition, a weak attraction is found between the Cu atoms, possibly pointing toward cuprophilic interactions.<\/jats:p>","DOI":"10.1107\/s2053229618014341","type":"journal-article","created":{"date-parts":[[2018,11,22]],"date-time":"2018-11-22T16:22:07Z","timestamp":1542903727000},"page":"1715-1718","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":3,"title":["Crystal structure of the layered arsenide Rb<sub>3<\/sub>Cu<sub>3<\/sub>As<sub>2<\/sub>"],"prefix":"10.1107","volume":"74","author":[{"given":"Alexander","family":"Ovchinnikov","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hua","family":"He","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0780-4787","authenticated-orcid":true,"given":"Svilen","family":"Bobev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2018,11,22]]},"reference":[{"key":"fn3276_bb1","doi-asserted-by":"crossref","first-page":"623","DOI":"10.1107\/S2053229618005739","volume":"74","author":"Baranets","year":"2018","journal-title":"Acta Cryst. 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