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. © The Royal Society of Chemistry 2015.

Saurabh Kumar Singh

Department of Chemistry

S. Vaidya

A. Upadhyay

T. Gupta

S. Tewary

S.K. Langley

J.P.S. Walsh

K.S. Murray

G. Rajaraman

M. Shanmugam

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Chemical Communications

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

Journal	Data powered by TypesetChemical Communications
Publisher	Data powered by TypesetRoyal Society of Chemistry
ISSN	13597345