{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:13:48Z","timestamp":1792786428372,"version":"4.5.0"},"reference-count":41,"publisher":"International Union of Crystallography (IUCr)","issue":"9","license":[{"start":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:00:00Z","timestamp":1787011200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},{"start":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:00:00Z","timestamp":1787011200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.iucr.org\/services\/copyrightpolicy.html#TDM"}],"funder":[{"name":"Louisiana Board of Regents","award":["LEQSF (2024\u201327)-RD-A-06"],"award-info":[{"award-number":["LEQSF (2024\u201327)-RD-A-06"]}],"id":[{"id":"https:\/\/ror.org\/00jv89z46","id-type":"ROR","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation, Major Research Instrumentaion Program","doi-asserted-by":"publisher","award":["CHE\u20132215252"],"award-info":[{"award-number":["CHE\u20132215252"]}],"id":[{"id":"10.13039\/100000001","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":[[2026,7,28]]},"published-print":{"date-parts":[[2026,9,1]]},"abstract":"<jats:p>\n                    The crystal structure of the monoclinic \u03b1-[SeCl\n                    <jats:sub>3<\/jats:sub>\n                    ][MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    ] polymorph, trichloridoselenium tetrachloridooxidomolybdate, is reported from a complete single-crystal X-ray diffraction study. Black\u2013brown moisture-sensitive crystals were obtained from reactions of MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    and Se\n                    <jats:sub>2<\/jats:sub>\n                    Cl\n                    <jats:sub>2<\/jats:sub>\n                    in sealed glass ampoules at 100\u2005\u00b0C. The compound crystallizes in the space group\n                    <jats:italic>P<\/jats:italic>\n                    2\n                    <jats:sub>1<\/jats:sub>\n                    \/\n                    <jats:italic>c<\/jats:italic>\n                    and is isostructural with the tellurium analog, \u03b1-[TeCl\n                    <jats:sub>3<\/jats:sub>\n                    ][MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    ]. Its structure consists of trigonal-pyramidal [SeCl\n                    <jats:sub>3<\/jats:sub>\n                    ]\n                    <jats:sup>+<\/jats:sup>\n                    cations and square-pyramidal [MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    ]\n                    <jats:sup>\u2212<\/jats:sup>\n                    anions that dimerize through asymmetric Mo...Cl...Mo bridges to form centrosymmetric [Mo\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    Cl\n                    <jats:sub>8<\/jats:sub>\n                    ]\n                    <jats:sup>2\u2212<\/jats:sup>\n                    units. The Se\n                    <jats:sup>IV<\/jats:sup>\n                    centers exhibit characteristic 3\u2005+\u20053 coordination, with three short primary Se\u2014Cl bonds and three longer secondary Se...Cl contacts, yielding distorted [SeCl\n                    <jats:sub>6<\/jats:sub>\n                    ] trigonal antiprisms. These contacts connect adjacent [Mo\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    Cl\n                    <jats:sub>8<\/jats:sub>\n                    ]\n                    <jats:sup>2\u2212<\/jats:sup>\n                    dimers into layers parallel to the\n                    <jats:italic>bc<\/jats:italic>\n                    plane. The electronic structure calculations show that \u03b1-[SeCl\n                    <jats:sub>3<\/jats:sub>\n                    ][MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    ] has a band gap of\n                    <jats:italic>ca<\/jats:italic>\n                    0.88\u2005eV. Crystal orbital Hamilton population (COHP) and crystal orbital bond index (COBI) bonding analyses confirm that short primary contacts are covalent, whereas longer secondary Se...Cl and Mo...Cl contacts are significantly weaker yet structurally important for layered connectivity. The natural bond orbital (NBO) analysis further supports charge polarization between the [SeCl\n                    <jats:sub>3<\/jats:sub>\n                    ]\n                    <jats:sup>+<\/jats:sup>\n                    and [MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    ]\n                    <jats:sup>\u2212<\/jats:sup>\n                    fragments, placing \u03b1-[SeCl\n                    <jats:sub>3<\/jats:sub>\n                    ][MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    ] in the realm of layered ionic solids or even van der Waals materials. Bonding of the broad [\n                    <jats:italic>Ch<\/jats:italic>\n                    Cl\n                    <jats:sub>3<\/jats:sub>\n                    ][MoOCl\n                    <jats:sub>4<\/jats:sub>\n                    ] series (\n                    <jats:italic>Ch<\/jats:italic>\n                    \u00a0= S, Se, Te) are discussed as well.\n                  <\/jats:p>","DOI":"10.1107\/s2053229626007771","type":"journal-article","created":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T09:13:21Z","timestamp":1786353201000},"page":"487-493","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Synthesis, structural characterization, and electronic structure of monoclinic \u03b1-[SeCl\n                    <sub>3<\/sub>\n                    ][MoOCl\n                    <sub>4<\/sub>\n                    ]"],"prefix":"10.1107","volume":"82","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4302-4523","authenticated-orcid":true,"given":"Thimira","family":"Kandabadage","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05ect4e57","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9791-7488","authenticated-orcid":true,"given":"Sherouk M.","family":"Ibrahim","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05ect4e57","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3449-3344","authenticated-orcid":true,"given":"Sviatoslav","family":"Baranets","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05ect4e57","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2026,8,18]]},"reference":[{"key":"yd3081_bb1","first-page":"89","volume":"47","author":"Alemi","year":"2000","journal-title":"Acta Chim. 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