{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T21:49:29Z","timestamp":1740174569969,"version":"3.37.3"},"reference-count":27,"publisher":"International Union of Crystallography (IUCr)","issue":"11","license":[{"start":{"date-parts":[[2017,10,6]],"date-time":"2017-10-06T00:00:00Z","timestamp":1507248000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"},{"start":{"date-parts":[[2017,10,6]],"date-time":"2017-10-06T00:00:00Z","timestamp":1507248000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"}],"funder":[{"DOI":"10.13039\/100000138","name":"U.S. Department of Education","doi-asserted-by":"crossref","award":["P116Z100020"],"award-info":[{"award-number":["P116Z100020"]}],"id":[{"id":"10.13039\/100000138","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Geneseo Foundation"}],"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"],"published-print":{"date-parts":[[2017,11,1]]},"abstract":"<jats:p>Copper(II) complexes of benzimidazole are known to exhibit biological activity that makes them of interest for chemotherapeutic and other pharmaceutical uses. The complex bis(acetato-\u03ba<jats:italic>O<\/jats:italic>){5,6-dimethyl-2-(pyridin-2-yl)-1-[(pyridin-2-yl)methyl]-1<jats:italic>H<\/jats:italic>-benzimidazole-\u03ba<jats:sup>2<\/jats:sup><jats:italic>N<\/jats:italic><jats:sup>2<\/jats:sup>,<jats:italic>N<\/jats:italic><jats:sup>3<\/jats:sup>}copper(II), has been prepared. The absorption spectrum has features attributed to intraligand and ligand-field transitions and the complex exhibits ligand-centered room-temperature luminescence in solution. The acetonitrile monosolvate, [Cu(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>2<\/jats:sub>(C<jats:sub>20<\/jats:sub>H<jats:sub>18<\/jats:sub>N<jats:sub>4<\/jats:sub>)]\u00b7C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>N (<jats:bold>1<\/jats:bold>), and the ethanol hemisolvate, [Cu(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>2<\/jats:sub>(C<jats:sub>20<\/jats:sub>H<jats:sub>18<\/jats:sub>N<jats:sub>4<\/jats:sub>)]\u00b70.5C<jats:sub>2<\/jats:sub>H<jats:sub>6<\/jats:sub>O (<jats:bold>2<\/jats:bold>), have been structurally characterized. Compound<jats:bold>2<\/jats:bold>has two copper(II) complexes in the asymmetric unit. In both<jats:bold>1<\/jats:bold>and<jats:bold>2<\/jats:bold>, distorted square-planar N<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>coordination geometries are observed and the Cu\u2014N(Im) bond distance is slightly shorter than the Cu\u2014N(py) bond distance. Intermolecular \u03c0\u2013\u03c0 interactions are found in<jats:bold>1<\/jats:bold>and<jats:bold>2<\/jats:bold>. A weak C\u2014H...\u03c0 interaction is observed in<jats:bold>1<\/jats:bold>.<\/jats:p>","DOI":"10.1107\/s2056989017014232","type":"journal-article","created":{"date-parts":[[2017,10,6]],"date-time":"2017-10-06T08:42:07Z","timestamp":1507279327000},"page":"1616-1621","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":2,"title":["Structural characterization of two solvates of a luminescent copper(II) bis(pyridine)-substituted benzimidazole complex"],"prefix":"10.1107","volume":"73","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6168-8756","authenticated-orcid":true,"given":"David K.","family":"Geiger","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthew R.","family":"DeStefano","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert A.","family":"Lewis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2017,10,6]]},"reference":[{"key":"zl2717_bb1","doi-asserted-by":"crossref","first-page":"613","DOI":"10.1007\/s11243-009-9238-4","volume":"34","author":"Altaf","year":"2009","journal-title":"Transition Met. 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