{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T12:25:53Z","timestamp":1765974353863,"version":"3.33.0"},"reference-count":32,"publisher":"International Union of Crystallography (IUCr)","issue":"12","license":[{"start":{"date-parts":[[2017,11,8]],"date-time":"2017-11-08T00:00:00Z","timestamp":1510099200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},{"start":{"date-parts":[[2017,11,8]],"date-time":"2017-11-08T00:00:00Z","timestamp":1510099200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html#TDM"}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr C Struct Chem","Acta Crystallogr C","Acta Crystallogr C Cryst Struct Commun","Acta Cryst C","Acta Cryst C Struct Chem","Acta Cryst Sect C","Acta Cryst Sect C Struct Chem","Acta Crystallogr Sect C","Acta Crystallogr Sect C Struct Chem","Acta Crystallogr Sect C Cryst Struct Commun"],"accepted":{"date-parts":[[2017,9,25]]},"published-print":{"date-parts":[[2017,12,1]]},"abstract":"<jats:p>The construction of supramolecular architectures based on inorganic\u2013organic coordination frameworks with weak noncovalent interactions has implications for the rational design of functional materials. A new crystalline binuclear copper(II) one-dimensional polymeric chain, namely <jats:italic>catena<\/jats:italic>-poly[[[tetrakis(\u03bc-4-azaniumylbutanoato-\u03ba<jats:sup>2<\/jats:sup>\n                  <jats:italic>O<\/jats:italic>:<jats:italic>O<\/jats:italic>\u2032)dicopper(II)(<jats:italic>Cu<\/jats:italic>\u2014<jats:italic>Cu<\/jats:italic>)]-\u03bc-chlorido-[diaquadichloridocopper(II)]-\u03bc-chlorido] bis(perchlorate)], {[Cu<jats:sub>3<\/jats:sub>Cl<jats:sub>4<\/jats:sub>(C<jats:sub>4<\/jats:sub>H<jats:sub>9<\/jats:sub>NO<jats:sub>2<\/jats:sub>)<jats:sub>4<\/jats:sub>(H<jats:sub>2<\/jats:sub>O)<jats:sub>2<\/jats:sub>](ClO<jats:sub>4<\/jats:sub>)<jats:sub>2<\/jats:sub>}<jats:sub>\n                     <jats:italic>n<\/jats:italic>\n                  <\/jats:sub>, was obtained by the reaction of 4-aminobutyric acid (GABA) with CuCl<jats:sub>2<\/jats:sub>\u00b72H<jats:sub>2<\/jats:sub>O in aqueous solution. The structure was established by single-crystal X-ray diffraction and was also characterized by IR spectroscopy and magnetic measurements. The crystal structure consists of [{Cu<jats:sub>2<\/jats:sub>(GABA)<jats:sub>4<\/jats:sub>}{CuCl<jats:sub>4<\/jats:sub>(H<jats:sub>2<\/jats:sub>O)<jats:sub>2<\/jats:sub>}]<jats:sup>+<\/jats:sup> cations and isolated perchlorate anions. Two symmetry-related Cu<jats:sup>II<\/jats:sup> centres are bridged <jats:italic>via<\/jats:italic> carboxylate O atoms into a classical paddle-wheel configuration, with a Cu...Cu distance of 2.643\u2005(1)\u2005\u00c5, while bridging Cl atoms complete the square-pyramidal geometry of the metal atoms. The Cl atoms connect the paddlewheel moieties to a second Cu<jats:sup>II<\/jats:sup> atom lying on an octahedral site, resulting in infinite helical chains along the <jats:italic>c<\/jats:italic> axis. The packing motif exhibits channels containing free perchlorate anions. The crystal structure is stabilized by hydrogen bonds between the perchlorate anions, the coordinated water molecules and the ammonium groups of the polymeric chains. The magnetic analysis of the title compound indicates a nontrivial antiferromagnetic behaviour arising from alternating weak\u2013strong antiferromagnetic coupling between neighbouring Cu<jats:sup>II<\/jats:sup> centres.<\/jats:p>","DOI":"10.1107\/s2053229617013766","type":"journal-article","created":{"date-parts":[[2017,11,8]],"date-time":"2017-11-08T13:56:04Z","timestamp":1510149364000},"page":"1050-1055","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":5,"title":["A new copper(II) coordination polymer containing chains of interconnected paddle-wheel antiferromagnetic clusters"],"prefix":"10.1107","volume":"73","author":[{"given":"Sofiane","family":"Bouheroum","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aouatef","family":"Cherouana","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adel","family":"Beghidja","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Slimane","family":"Dahaoui","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pierre","family":"Rabu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2017,11,8]]},"reference":[{"key":"yf3125_bb1","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1107\/S0021889898007717","volume":"32","author":"Altomare","year":"1999","journal-title":"J. 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