{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T21:49:21Z","timestamp":1740174561838,"version":"3.37.3"},"reference-count":22,"publisher":"International Union of Crystallography (IUCr)","issue":"6","license":[{"start":{"date-parts":[[2021,5,28]],"date-time":"2021-05-28T00:00:00Z","timestamp":1622160000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2021,5,28]],"date-time":"2021-05-28T00:00:00Z","timestamp":1622160000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr E Cryst Commun","Acta Cryst E","Acta Cryst Sect E","Acta Crystallogr E","Acta Crystallogr Sect E","Acta Cryst E Cryst Commun","Acta Cryst Sect E Cryst Commun"],"accepted":{"date-parts":[[2021,5,24]]},"published-print":{"date-parts":[[2021,6,1]]},"abstract":"<jats:p>The title compound, [Cu<jats:sub>8<\/jats:sub>(C<jats:sub>4<\/jats:sub>H<jats:sub>9<\/jats:sub>O)<jats:sub>4<\/jats:sub>(C<jats:sub>4<\/jats:sub>F<jats:sub>9<\/jats:sub>O)<jats:sub>4<\/jats:sub>], crystallizes in the monoclinic space group, <jats:italic>P<\/jats:italic>2<jats:sub>1<\/jats:sub>\/<jats:italic>n<\/jats:italic> and contains a self-assembly of two C<jats:sub>16<\/jats:sub>H<jats:sub>18<\/jats:sub>Cu<jats:sub>4<\/jats:sub>F<jats:sub>18<\/jats:sub>O<jats:sub>4<\/jats:sub> units linked by bridging <jats:italic>tert<\/jats:italic>-butyl groups [Cu\u2014O bonds of length 2.3779\u2005(15) and 2.4248\u2005(15)\u2005\u00c5], generating a centrosymmetric dimer. The asymmetrical unit, C<jats:sub>16<\/jats:sub>H<jats:sub>18<\/jats:sub>Cu<jats:sub>4<\/jats:sub>F<jats:sub>18<\/jats:sub>O<jats:sub>4<\/jats:sub>, contains an almost square-planar arrangement of the four Cu atoms linked by bridging <jats:italic>tert<\/jats:italic>-butyl and perfluorinated <jats:italic>tert<\/jats:italic>-butyl groups with Cu\u2014Cu distances ranging from 2.7108\u2005(4) to 2.7612\u2005(4)\u2005\u00c5 and Cu \u2014Cu\u2014Cu angle values close to 90\u00b0 [ranging from 89.459\u2005(10)\u00b0 to 90.025\u2005(11)\u00b0]. These dimers are further linked by weak C\u2014H...F and F...F interactions. As is commonly encountered in perfluorinated <jats:italic>tert<\/jats:italic>-butyl groups, one of the CF<jats:sub>3<\/jats:sub> groups is disordered and was refined with two equivalent conformations with occupancies of 0.74\u2005(3) and 0.26\u2005(3).<\/jats:p>","DOI":"10.1107\/s2056989021005429","type":"journal-article","created":{"date-parts":[[2021,5,28]],"date-time":"2021-05-28T07:44:23Z","timestamp":1622187863000},"page":"668-671","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Tetrakis[\u03bc<sub>2<\/sub>-1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)propan-2-olato]tetrakis(\u03bc<sub>3<\/sub>-2-methylpropan-2-olato)octacopper(I)"],"prefix":"10.1107","volume":"77","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5274-0818","authenticated-orcid":true,"given":"Andrew P.","family":"Purdy","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2770-7076","authenticated-orcid":true,"given":"Ray J.","family":"Butcher","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2021,5,28]]},"reference":[{"key":"zn2004_bb1","doi-asserted-by":"crossref","first-page":"3967","DOI":"10.1016\/j.ica.2005.06.061","volume":"358","author":"Anson","year":"2005","journal-title":"Inorg. 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