{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T18:11:23Z","timestamp":1759515083077,"version":"3.33.0"},"reference-count":24,"publisher":"International Union of Crystallography (IUCr)","issue":"4","license":[{"start":{"date-parts":[[2023,3,7]],"date-time":"2023-03-07T00:00:00Z","timestamp":1678147200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2023,3,7]],"date-time":"2023-03-07T00:00:00Z","timestamp":1678147200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/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":[[2023,2,25]]},"published-print":{"date-parts":[[2023,4,1]]},"abstract":"<jats:p>The title compound, [Cu(C<jats:sub>11<\/jats:sub>H<jats:sub>15<\/jats:sub>N<jats:sub>2<\/jats:sub>O)(C<jats:sub>12<\/jats:sub>H<jats:sub>8<\/jats:sub>N<jats:sub>2<\/jats:sub>)]ClO<jats:sub>4<\/jats:sub> or [Cu(<jats:italic>L<\/jats:italic>)(phen)](ClO<jats:sub>4<\/jats:sub>) {where <jats:italic>L<\/jats:italic> refers to the deprotonated form of 2-[(2-dimethylaminoethylimino)methyl]phenol} and phen is 1,10-phenanthroline) is a mononuclear mixed ligand copper(II) complex. The Cu<jats:sup>II<\/jats:sup> atom is coordinated by two N and one O atoms of the tridentate Schiff base ligand (H<jats:italic>L<\/jats:italic>) and two N atoms of the 1,10-phenanthroline ligand, resulting in a five-coordinate complex. The asymmetric unit of the title complex contains two crystallographically independent complex cations (<jats:bold>a<\/jats:bold> and <jats:bold>b<\/jats:bold>) with a slightly different geometry around the Cu<jats:sup>II<\/jats:sup> ion. The value of the trigonality index \u03c4, indicates that in both cations <jats:bold>a<\/jats:bold> and <jats:bold>b<\/jats:bold>, the Cu<jats:sup>II<\/jats:sup> atoms display a square-pyramidal distorted trigonal\u2013bipyramidal (SPDTBP) geometry, although the distortion is greater for cation <jats:bold>a<\/jats:bold>.<\/jats:p>","DOI":"10.1107\/s2056989023001767","type":"journal-article","created":{"date-parts":[[2023,3,7]],"date-time":"2023-03-07T08:16:59Z","timestamp":1678177019000},"page":"259-263","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":2,"title":["Crystal structure of [2-({[2-(dimethylamino-\u03ba<i>N<\/i>)ethyl]imino-\u03ba<i>N<\/i>}methyl)phenolato-\u03ba<i>O<\/i>](1,10-phenanthroline-\u03ba<sup>2<\/sup>\n                  <i>N<\/i>,<i>N<\/i>\u2032)copper(II) perchlorate"],"prefix":"10.1107","volume":"79","author":[{"given":"Anjaneyulu","family":"Mamindla","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manikandan","family":"Varadhan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6488-8000","authenticated-orcid":true,"given":"Marappan","family":"Velusamy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Venkatasubramanian","family":"Ulaganathan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2561-8387","authenticated-orcid":true,"given":"Venugopal","family":"Rajendiran","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2023,3,7]]},"reference":[{"key":"dj2061_bb1","doi-asserted-by":"crossref","first-page":"1349","DOI":"10.1039\/DT9840001349","author":"Addison","year":"1984","journal-title":"J. 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