Discrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistry

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dc.contributor.authorHawes, C.S.
dc.contributor.authorKruger, P.E.
dc.date.accessioned2014-12-02T23:04:50Z
dc.date.available2014-12-02T23:04:50Z
dc.date.issued2014en
dc.description.abstractReported here are the syntheses of four indazole-based ligands and the structural characterisation of four Cu(II) complexes derived from them. The ligands 1-(2-pyridyl)-1H-indazole, L1, and 2-(2-pyridyl)-2Hindazole, L2, have been characterised by single crystal X-ray diffraction methods for the first time. The intramolecular structural changes within L1 and L2 that result from the transition from the 1H to the 2H electronic configuration have been delineated. The synthesis of 1H-indazole-6-carboxylic acid, H₂L3, and 1H-indazole-7-carboxylic acid, H₂L4, is fully described and the structure of H₂L4·H₂O determined. The structures of two discrete mononuclear complexes {[Cu(L1)₂(NO₃)]·NO₃·1.5H₂O}, 1, and {[Cu(L2)₂(NO₃)]·NO₃}, 2, have been determined and their molecular compositions corroborated by solution- based methods. Reaction of Cu(II) with H₂L3 generates a 2D coordination polymer, [Cu₃(HL3)₄- (NO₃)₂(EtOH)₂]·3(C₆H₆)·2(H₂O), 3, that features the archetypal [Cu₂(OAc)₄] paddlewheel motif and 1D channels; whereas reaction with H₂L4 gives a discrete complex [Cu(HL4)₂]·H₂O·MeOH, 4, in which hydrogen bonding interactions link indazole dimers via a water molecule to yield a 1D network.en
dc.identifier.citationHawes, C.S., Kruger, P.E. (2014) Discrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistry. Dalton Transactions, 43, pp. 16450-16458.en
dc.identifier.doihttps://doi.org/10.1039/c4dt02428a
dc.identifier.urihttp://hdl.handle.net/10092/9962
dc.language.isoen
dc.publisherUniversity of Canterbury. Chemistryen
dc.rights.urihttps://hdl.handle.net/10092/17651en
dc.subject.anzsrcField of Research::03 - Chemical Sciences::0303 - Macromolecular and Materials Chemistry::030302 - Nanochemistry and Supramolecular Chemistryen
dc.subject.anzsrcField of Research::03 - Chemical Sciences::0303 - Macromolecular and Materials Chemistry::030306 - Synthesis of Materialsen
dc.subject.anzsrcField of Research::03 - Chemical Sciences::0306 - Physical Chemistry (incl. Structural)::030606 - Structural Chemistry and Spectroscopyen
dc.titleDiscrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistryen
dc.typeJournal Article
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