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Hence, the corresponding dinuclear complex, [Cu<jats:sub>2<\/jats:sub>(L<jats:sup>2<\/jats:sup>)<jats:sub>2<\/jats:sub>] (<jats:bold>2<\/jats:bold>, H<jats:sub>2<\/jats:sub>L<jats:sup>2<\/jats:sup>=1,5\u2010dihydroxy\u20101,5\u2010bis(pentafluorophenyl)\u20101,4\u2010pentadien\u20103\u2010one), was prepared to enhance guest recognition and the ability to separate molecular mixtures. Complex <jats:bold>2<\/jats:bold> comprises a Cu<jats:sub>2<\/jats:sub>O<jats:sub>6<\/jats:sub> core and four pentafluorophenyl groups. In crystal <jats:bold>2<\/jats:bold>, cavities are formed on the axial sites of the metal core that are surrounded by pentafluorophenyl groups. The crystal of <jats:bold>2<\/jats:bold> encapsulates various guest molecules, that is, benzene (<jats:bold>3<\/jats:bold>), toluene (<jats:bold>4<\/jats:bold>), xylene (<jats:bold>5<\/jats:bold>), mesitylene (<jats:bold>6<\/jats:bold>), durene (<jats:bold>7<\/jats:bold>), and anisole (<jats:bold>8<\/jats:bold>). X\u2010ray crystallographic and thermogravimetric (TG) studies show that three guest molecules are present in the crystal cavities. The number of guest molecules found in complex <jats:bold>2<\/jats:bold> was higher than that in complex <jats:bold>1<\/jats:bold>, for example, (<jats:bold>2<\/jats:bold>)<jats:sub>3<\/jats:sub><jats:bold>\u22c5<\/jats:bold>(<jats:bold>6<\/jats:bold>)<jats:sub>10<\/jats:sub>&gt;<jats:bold>1\u22c5<\/jats:bold>(<jats:bold>6<\/jats:bold>)<jats:sub>2<\/jats:sub>, (<jats:bold>2<\/jats:bold>)<jats:sub>2<\/jats:sub><jats:bold>\u22c5<\/jats:bold>(<jats:bold>7<\/jats:bold>)<jats:sub>7<\/jats:sub>&gt;<jats:bold>1\u22c57<\/jats:bold>, or <jats:bold>2\u22c5<\/jats:bold>(<jats:bold>8<\/jats:bold>)<jats:sub>3<\/jats:sub>&gt;<jats:bold>1\u22c5<\/jats:bold>(<jats:bold>8<\/jats:bold>)<jats:sub>2<\/jats:sub>. Naphthalene (<jats:bold>9<\/jats:bold>), was encapsulated in <jats:bold>2<\/jats:bold> to give <jats:bold>2\u22c5<\/jats:bold>(<jats:bold>9<\/jats:bold>)<jats:sub>3<\/jats:sub>, but not in <jats:bold>1<\/jats:bold>. In the crystal of complex <jats:bold>2<\/jats:bold>, heteromolecular guest encapsulation was confirmed, designated as <jats:bold>2\u22c5<\/jats:bold>(<jats:bold>3<\/jats:bold>)<jats:sub>2<\/jats:sub><jats:bold>\u22c59<\/jats:bold>. TG analysis indicates that the thermal stability of the guest\u2010included crystals of <jats:bold>2<\/jats:bold> is higher than that of <jats:bold>1<\/jats:bold>.<\/jats:p>","DOI":"10.1002\/chem.201905740","type":"journal-article","created":{"date-parts":[[2020,2,6]],"date-time":"2020-02-06T03:16:32Z","timestamp":1580958992000},"page":"5051-5060","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Enhanced and Heteromolecular Guest Encapsulation in Nonporous Crystals of a Perfluorinated Triketonato Dinuclear Copper Complex"],"prefix":"10.1002","volume":"26","author":[{"given":"Yoshinori","family":"Ikumura","sequence":"first","affiliation":[{"name":"Graduate School of Engineering and Science Shibaura Institute of Technology  Fukasaku 307, Minuma-ku, Saitama-shi Saitama 337-8570 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yusuke","family":"Habuka","sequence":"additional","affiliation":[{"name":"Graduate School of Engineering and Science Shibaura Institute of Technology  Fukasaku 307, Minuma-ku, Saitama-shi Saitama 337-8570 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shunichiro","family":"Sakai","sequence":"additional","affiliation":[{"name":"Department of Chemistry School of Science Kitasato University  Kitasato 1\u201315-1, Minami-ku, Sagamihara-shi Kanagawa 252-0373 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takanori","family":"Shinohara","sequence":"additional","affiliation":[{"name":"Department of Chemistry School of Science Kitasato University  Kitasato 1\u201315-1, Minami-ku, Sagamihara-shi Kanagawa 252-0373 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hidetaka","family":"Yuge","sequence":"additional","affiliation":[{"name":"Department of Chemistry School of Science Kitasato University  Kitasato 1\u201315-1, Minami-ku, Sagamihara-shi Kanagawa 252-0373 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3335-8677","authenticated-orcid":false,"given":"Izabela I.","family":"Rzeznicka","sequence":"additional","affiliation":[{"name":"Graduate School of Engineering and Science Shibaura Institute of Technology  Fukasaku 307, Minuma-ku, Saitama-shi Saitama 337-8570 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0969-8500","authenticated-orcid":false,"given":"Akiko","family":"Hori","sequence":"additional","affiliation":[{"name":"Graduate School of Engineering and Science Shibaura Institute of Technology  Fukasaku 307, Minuma-ku, Saitama-shi Saitama 337-8570 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,3,30]]},"reference":[{"key":"e_1_2_7_1_1","unstructured":"\u00a0"},{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00160a038"},{"key":"e_1_2_7_3_2","volume-title":"Crystal Engineering: The Design and Application of Functional Solids","year":"1996"},{"key":"e_1_2_7_4_1","unstructured":"\u00a0"},{"key":"e_1_2_7_5_2","first-page":"23","volume-title":"Comprehensive Supramolecular Chemistry, Vol.\u20056","author":"Mak T. 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