{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T02:57:38Z","timestamp":1773802658537,"version":"3.50.1"},"reference-count":0,"publisher":"International Union of Crystallography (IUCr)","issue":"3","license":[{"start":{"date-parts":[[2002,5,29]],"date-time":"2002-05-29T00:00:00Z","timestamp":1022630400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},{"start":{"date-parts":[[2002,5,29]],"date-time":"2002-05-29T00:00:00Z","timestamp":1022630400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html#TDM"}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr B Struct Sci","Acta Cryst B","Acta Cryst Sect B","Acta Crystallogr B","Acta Crystallogr Sect B","Acta Crystallogr Sect B Struct Sci"],"accepted":{"date-parts":[[2002,1,30]]},"published-print":{"date-parts":[[2002,6,1]]},"abstract":"<jats:p>Bis(toluene)chromium fulleride, [Cr(C<jats:sub>7<\/jats:sub>H<jats:sub>8<\/jats:sub>)<jats:sub>2<\/jats:sub>]C<jats:sub>60<\/jats:sub>, has been synthesized as a black microcrystalline powder from C<jats:sub>60<\/jats:sub> and [Cr(C<jats:sub>7<\/jats:sub>H<jats:sub>8<\/jats:sub>)<jats:sub>2<\/jats:sub>] in toluene. [Cr(C<jats:sub>7<\/jats:sub>H<jats:sub>8<\/jats:sub>)<jats:sub>2<\/jats:sub>]C<jats:sub>60<\/jats:sub> is an ionic compound in which the fullerene is negatively charged and the bis(toluene)chromium molecule positively charged. At <jats:italic>T<\/jats:italic> = 250\u2005K a reversible first-order phase transition from a primitive cubic high-temperature phase to a triclinic low-temperature phase occurs. The high-temperature phase [<jats:italic>Pm<\/jats:italic>\\overline 3<jats:italic>m<\/jats:italic>, <jats:italic>a<\/jats:italic> = 9.9840\u2005(1)\u2005\u00c5, <jats:italic>T<\/jats:italic> = 295\u2005K] is composed of dynamically disordered fulleride anions and bis(toluene)chromium(I) cations in a CsCl-type arrangement. The triclinic low-temperature modification [<jats:italic>P<\/jats:italic>\\overline 1, <jats:italic>a<\/jats:italic> = 13.6414\u2005(8), <jats:italic>b<\/jats:italic> = 13.8338\u2005(7), <jats:italic>c<\/jats:italic> = 13.8548\u2005(7)\u2005\u00c5, \u03b1 = 91.830\u2005(3), \u03b2 = 116.776\u2005(2), \u03b3 = 119.333\u2005(2)\u00b0, <jats:italic>T<\/jats:italic> = 235\u2005K] consists of ordered C<jats:sub>60<\/jats:sub> dimers and two crystallographically distinct bis(toluene)chromium entities.<\/jats:p>","DOI":"10.1107\/s0108768102001970","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T06:06:18Z","timestamp":1027749978000},"page":"482-488","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":35,"special_numbering":"2","title":["Reversible dimerization of C<sub>60<\/sub> molecules in the crystal structure of the bis(arene)chromium fulleride [Cr(C<sub>7<\/sub>H<sub>8<\/sub>)]<sub>2<\/sub>C<sub>60<\/sub>"],"prefix":"10.1107","volume":"58","author":[{"given":"Andreas","family":"H\u00f6nnerscheid","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Dinnebier","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martin","family":"Jansen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2002,5,29]]},"container-title":["Acta Crystallographica Section B Structural Science"],"original-title":[],"link":[{"URL":"http:\/\/journals.iucr.org\/b\/issues\/2002\/03\/02\/sn0020\/sn0020.pdf","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.iucr.org\/b\/issues\/2002\/03\/02\/sn0020\/sn0020.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,1,10]],"date-time":"2025-01-10T13:45:05Z","timestamp":1736516705000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.iucr.org\/paper?S0108768102001970"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,5,29]]},"references-count":0,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2002,6]]}},"alternative-id":["S0108768102001970"],"URL":"https:\/\/doi.org\/10.1107\/s0108768102001970","relation":{"is-supplemented-by":[{"id-type":"doi","id":"10.1107\/S0108768102001970\/sn0020sup1.cif","asserted-by":"subject"},{"id-type":"doi","id":"10.1107\/S0108768102001970\/sn0020Isup2.rtv","asserted-by":"subject"},{"id-type":"doi","id":"10.1107\/S0108768102001970\/sn0020Isup3.hkl","asserted-by":"subject"}]},"ISSN":["0108-7681"],"issn-type":[{"value":"0108-7681","type":"print"}],"subject":[],"published":{"date-parts":[[2002,5,29]]},"assertion":[{"value":"Acta Crystallographica Section B: Structural Science","order":0,"name":"journal","label":"Publication","explanation":{"URL":"http:\/\/journals.iucr.org\/b"},"group":{"name":"general","label":"General"}},{"value":"research papers","order":1,"name":"content_type","label":"Content type","explanation":{"URL":"https:\/\/journals.iucr.org\/b\/services\/notesforauthors.html"},"group":{"name":"general","label":"General"}},{"value":"Available","URL":"http:\/\/scripts.iucr.org\/cgi-bin\/citedin?sn0020","order":2,"name":"article_metrics","label":"Article metrics","group":{"name":"general","label":"General"}},{"value":"Yes","order":0,"name":"peer_reviewed","label":"Peer reviewed","group":{"name":"peer_review","label":"Peer review"}},{"value":"Single blind","order":1,"name":"review_process","label":"Review process","group":{"name":"peer_review","label":"Peer review"}},{"value":"25 January 2002","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication history"}},{"value":"30 January 2002","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication history"}},{"value":"29 May 2002","order":2,"name":"published_online","label":"Published online","group":{"name":"publication_history","label":"Publication history"}},{"value":"This article has supporting information","name":"supplementary_materials","label":"Supplementary materials","explanation":{"URL":"http:\/\/scripts.iucr.org\/cgi-bin\/sendsup?sn0020"}},{"value":"\u00a9 2002 International Union of Crystallography","order":0,"name":"copyright","label":"Copyright","explanation":{"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},"group":{"name":"copyright_and_licensing","label":"Copyright and licencing"}}]}}