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Issue 18, 2015
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A synthetic strategy for switching the single ion anisotropy in tetrahedral Co(II) complexes

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Abstract

Four novel mononuclear tetrahedral cobalt(II) complexes containing exocyclic mesoionic ligands of molecular formulae [CoII(L1)(X)2(MeCN)] X = Cl (1) or Br (2) and [CoII(L2)(X)2(MeCN)], X = Cl (3) or Br (4) have been reported. It is found that simple substitution of L1 (O donor in 1 and 2) by L2 (S donor in 3 and 4) results in switching of the single ion magnetic anisotropy parameter (D) from positive to negative, with a significant change in magnitude.

Graphical abstract: A synthetic strategy for switching the single ion anisotropy in tetrahedral Co(ii) complexes

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Publication details

The article was received on 21 Oct 2014, accepted on 28 Oct 2014 and first published on 28 Oct 2014


Article type: Communication
DOI: 10.1039/C4CC08305A
Citation: Chem. Commun., 2015,51, 3739-3742
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    A synthetic strategy for switching the single ion anisotropy in tetrahedral Co(II) complexes

    S. Vaidya, A. Upadhyay, S. K. Singh, T. Gupta, S. Tewary, S. K. Langley, J. P. S. Walsh, K. S. Murray, G. Rajaraman and M. Shanmugam, Chem. Commun., 2015, 51, 3739
    DOI: 10.1039/C4CC08305A

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