{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T01:54:55Z","timestamp":1768442095445,"version":"3.49.0"},"reference-count":13,"publisher":"International Union of Crystallography (IUCr)","issue":"7","license":[{"start":{"date-parts":[[2018,6,19]],"date-time":"2018-06-19T00:00:00Z","timestamp":1529366400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"},{"start":{"date-parts":[[2018,6,19]],"date-time":"2018-06-19T00:00:00Z","timestamp":1529366400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/2.0\/uk\/legalcode"}],"funder":[{"DOI":"10.13039\/501100002261","name":"Russian Foundation for Basic Research","doi-asserted-by":"publisher","award":["16-33-00641"],"award-info":[{"award-number":["16-33-00641"]}],"id":[{"id":"10.13039\/501100002261","id-type":"DOI","asserted-by":"publisher"}]}],"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":[[2018,6,9]]},"published-print":{"date-parts":[[2018,7,1]]},"abstract":"<jats:p>Crystals of four new copper(II) complexes have been grown from copper(II) acetate\/chloride\u20131-ethyl-3-methylimidazolium acetate\/chloride\u2013water systems and characterized by X-ray analysis. The first complex, bis(1-ethyl-3-methylimidazolium) tetra-\u03bc-acetato-bis[chloridocuprate(II)], [Emim]<jats:sub>2<\/jats:sub>[Cu<jats:sub>2<\/jats:sub>(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>4<\/jats:sub>Cl<jats:sub>2<\/jats:sub>] (<jats:bold>1<\/jats:bold>) (Emim is 1-ethyl-3-methylimidazolium, C<jats:sub>6<\/jats:sub>H<jats:sub>11<\/jats:sub>N<jats:sub>2<\/jats:sub>), contains [Cu<jats:sub>2<\/jats:sub>(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>4<\/jats:sub>Cl<jats:sub>2<\/jats:sub>]<jats:sup>2\u2212<\/jats:sup> coordination anions with a paddle-wheel structure and ionic liquid cations. Two of the synthesized complexes are one-dimensional polymers, namely <jats:italic>catena<\/jats:italic>-poly[1-ethyl-3-methylimidazolium [[tetra-\u03bc-acetato-dicuprate(II)]-\u03bc-chlorido] monohydrate], {[Emim][Cu<jats:sub>2<\/jats:sub>(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>4<\/jats:sub>Cl]\u00b7H<jats:sub>2<\/jats:sub>O}<jats:sub>\n                     <jats:italic>n<\/jats:italic>\n                  <\/jats:sub> (<jats:bold>2<\/jats:bold>), and <jats:italic>catena<\/jats:italic>-poly[1-ethyl-3-methylimidazolium [[tetra-\u03bc-acetato-dicuprate(II)]-\u03bc-acetato]], {[Emim][Cu<jats:sub>2<\/jats:sub>(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>5<\/jats:sub>]}<jats:sub>\n                     <jats:italic>n<\/jats:italic>\n                  <\/jats:sub> (<jats:bold>3<\/jats:bold>). In these compounds, the Cu<jats:sub>2<\/jats:sub>(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>4<\/jats:sub> units with a paddle-wheel structure are connected to each other through chloride (in <jats:bold>2<\/jats:bold>) or acetate (in <jats:bold>3<\/jats:bold>) anions to form parallel chains, between which cations of ionic liquid are situated. The last compound, bis(1-ethyl-3-methylimidazolium) tetra-\u03bc-acetato-bis[aquacopper(II)] tetra-\u03bc-acetato-bis[acetatocuprate(II)] dihydrate, [Emim]<jats:sub>2<\/jats:sub>[Cu<jats:sub>2<\/jats:sub>(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>4<\/jats:sub>(H<jats:sub>2<\/jats:sub>O)<jats:sub>2<\/jats:sub>][Cu<jats:sub>2<\/jats:sub>(C<jats:sub>2<\/jats:sub>H<jats:sub>3<\/jats:sub>O<jats:sub>2<\/jats:sub>)<jats:sub>6<\/jats:sub>]\u00b72H<jats:sub>2<\/jats:sub>O (<jats:bold>4<\/jats:bold>), contains two different binuclear coordination units (neutral and anionic), connected through hydrogen bonds between water molecules and acetate ions.<\/jats:p>","DOI":"10.1107\/s2056989018008538","type":"journal-article","created":{"date-parts":[[2018,6,19]],"date-time":"2018-06-19T08:17:30Z","timestamp":1529396250000},"page":"981-986","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":8,"title":["Structure of copper(II) complexes grown from ionic liquids \u2013 1-ethyl-3-methylimidazolium acetate or chloride"],"prefix":"10.1107","volume":"74","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5772-8399","authenticated-orcid":true,"given":"Nikita Yu.","family":"Serov","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4820-884X","authenticated-orcid":true,"given":"Valery G.","family":"Shtyrlin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daut R.","family":"Islamov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Olga N.","family":"Kataeva","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dmitry B.","family":"Krivolapov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2018,6,19]]},"reference":[{"key":"zp2028_bb1","doi-asserted-by":"crossref","first-page":"9347","DOI":"10.1039\/c1dt10829h","volume":"40","author":"Ahmed","year":"2011","journal-title":"Dalton Trans."},{"key":"zp2028_bb2","doi-asserted-by":"crossref","first-page":"1518","DOI":"10.1016\/j.ccr.2010.12.004","volume":"255","author":"Betz","year":"2011","journal-title":"Coord. 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