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Structure and magnetism of a new hydrogen-bonded layered cobalt(II) network, constructed by the unprecedented carboxylate-phosphinate ligand [O2(C6H5)PCH2CO2]2-

hal.structure.identifierIstituto di Chimica dei Composti Organometallici [ICCOM]
dc.contributor.authorMIDOLLINI, Stefano
hal.structure.identifierIstituto di Chimica dei Composti Organometallici [ICCOM]
dc.contributor.authorORLANDINI, Annabella
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROSA, Patrick
hal.structure.identifierDipartimento di Chimica, UdR INSTM
dc.contributor.authorSORACE, Lorenzo
dc.date.issued2005
dc.identifier.issn0020-1669
dc.description.abstractEnBy hydrothermal reaction of CoCl2·6H2O with K2pcc (H2pcc = phenyl(carboxymethyl) phosphinic acid) at 423 K, a novel hybrid material of formula [Co2(pcc) 2(H2O)2]·H2O has been obtained. The compound, which is the first pcc/metal complex reported, exhibits a polymeric arrangement, where cobalt metal ions, linked together by bridging carboxylate and phosphinate oxygens, form infinite chains of edge-shared CoO6 octahedra. The cobalt chains are in turn linked together through important hydrogen-bonding interactions, which create an infinite 2D architecture. The two crystallographically independent cobalt centers, both displaying distorted octahedral coordination, present different environments as one is surrounded by six ligand oxygens and the other by four ligand oxygens and by two water oxygens. Careful magnetic studies performed by a home-built alternating currnet susceptometer reveal that the system undergoes an antiferromagnetic transition below 2.0 K leading to a canted structure. Field-dependent studies further indicate the occurrence of a metamagnetic transition at a critical field of 650 ± 50 G.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.encarboxylic acid
dc.subject.enCobalt
dc.subject.enLigand
dc.subject.enPhosphinic acid
dc.subject.enPhosphinic acid derivative
dc.subject.enOxygen
dc.title.enStructure and magnetism of a new hydrogen-bonded layered cobalt(II) network, constructed by the unprecedented carboxylate-phosphinate ligand [O2(C6H5)PCH2CO2]2-
dc.typeArticle de revue
dc.identifier.doi10.1021/ic048602x
dc.subject.halChimie/Matériaux
bordeaux.journalInorganic Chemistry
bordeaux.page2060-2066
bordeaux.volume44
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-00022428
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00022428v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Inorganic%20Chemistry&rft.date=2005&rft.volume=44&rft.issue=6&rft.spage=2060-2066&rft.epage=2060-2066&rft.eissn=0020-1669&rft.issn=0020-1669&rft.au=MIDOLLINI,%20Stefano&ORLANDINI,%20Annabella&ROSA,%20Patrick&SORACE,%20Lorenzo&rft.genre=article


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