{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T16:45:43Z","timestamp":1750351543987,"version":"3.37.3"},"reference-count":20,"publisher":"International Union of Crystallography (IUCr)","issue":"1","license":[{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"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":[[2019,12,11]]},"published-print":{"date-parts":[[2020,1,1]]},"abstract":"<jats:p>In the title compound, diaquabis(ethylenediamine-\u03ba<jats:sup>2<\/jats:sup>\n                  <jats:italic>N<\/jats:italic>,<jats:italic>N<\/jats:italic>\u2032)copper(II) bis(2-nitrobenzoate), [Cu(C<jats:sub>2<\/jats:sub>H<jats:sub>8<\/jats:sub>N<jats:sub>2<\/jats:sub>)<jats:sub>2<\/jats:sub>(H<jats:sub>2<\/jats:sub>O)<jats:sub>2<\/jats:sub>](C<jats:sub>7<\/jats:sub>H<jats:sub>4<\/jats:sub>NO<jats:sub>4<\/jats:sub>)<jats:sub>2<\/jats:sub>, two diaquabis(ethylenediamine)copper(II) cations and four nitrobenzoate anions are present in the asymmetric unit. All four anions are `whole-molecule' disordered over two sets of sites. The major components have refined occupancies of 0.572\u2005(13), 0.591\u2005(9), 0.601\u2005(9) and 0.794\u2005(10). The Cu<jats:sup>II<\/jats:sup> ions exhibit slightly distorted octahedral geometries. In the crystal, cations and anions are connected to each other <jats:italic>via<\/jats:italic> N\u2014H...O and O\u2014H...O hydrogen bonds, forming a two-dimensional network parallel to (200). The intermolecular contacts in the crystal were further analysed using Hirshfeld surface analysis, which indicates that the most significant contacts are O...H\/H...O (42.9%), followed by H...H (35.7%), C...H\/H...C (14.2%), C...C (2.9%), C...O\/O...C (2.2%), N...H\/H...N (0.9%) and N...O\/O...N (0.3%).<\/jats:p>","DOI":"10.1107\/s2056989019016669","type":"journal-article","created":{"date-parts":[[2019,12,24]],"date-time":"2019-12-24T10:06:06Z","timestamp":1577181966000},"page":"111-114","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":4,"title":["Crystal structure and Hirshfeld surface analysis of a copper(II) complex with ethylenediamine and non-coordinated benzoate"],"prefix":"10.1107","volume":"76","author":[{"given":"Adnan M.","family":"Qadir","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sevgi","family":"Kansiz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4079-0938","authenticated-orcid":true,"given":"Georgina M.","family":"Rosair","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0660-4721","authenticated-orcid":true,"given":"Necmi","family":"Dege","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Turganbay S.","family":"Iskenderov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2020,1,1]]},"reference":[{"key":"lh5937_bb1","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1107\/S2056989018017590","volume":"75","author":"Boulhaoua","year":"2019","journal-title":"Acta Cryst. 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