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Solvothermal Synthesis of Discrete Cages and Extended Networks Comprising {Cr(III)3O(O2CR)3(oxime)3}2- (R = H, CH3, C(CH3)3, C14H9) Building Blocks.

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DOI

  • Edel Houton
    NUI Galway, Ireland
  • Priyanka Comar
    University of Edinburgh
  • Mateusz B. Pitak
    University of Southampton
  • Simon J. Coles
    University of Southampton
  • Alan G. Ryder
    NUI Galway, Ireland
  • Stergios Piligkos
    University of Copenhagen
  • Euan K. Brechin
    University of Edinburgh
  • Leigh Jones
    NUI Galway, Ireland
The synthesis, structural and magnetic characterisation of a family of related Cr(III) cages are reported. Each member comprises {Cr(III)3O(O2CR1)3(R2-sao)3}2- (R1 = H, CH3, C(CH3)3, C14H9 ; R2 = Me, Ph, tBu, C10H8) triangles linked by Na+ cations, resulting in either the discrete complexes [H3O][NEt4]2[NaCr(III)6O2(O2C-C14H9)6(Naphth-sao)6] (1) and [Na4Cr(III)6O2(O2CC(CH3)3)6(3,5-di-tBu-sao)6(MeCN)6] (3); or the extended networks [H3O]2[Na2Cr(III)6O2(O2CH)6(Ph-sao)6(MeCN)2(H2O)2]n·4MeCN (2); [H3O][Na3Cr(III)6O2(O2CCH3)6(Me-sao)6(MeCN)]n (4) and [Na2Cr(III)3O(O2CCH3)3(Me-sao)3(H2O)6]n·3MeCN (5). Magnetic susceptibility data obtained for 2 and 4 reveal weak antiferromagnetic exchange between the Cr(III) ions in the triangles.
Original languageEnglish
Pages (from-to)73668-73676
JournalRSC Advances
Issue number77
DOIs
Publication statusPublished - 28 Jul 2016

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