Chemical Physics Letters, Vol.480, No.4-6, 198-202, 2009
Super-superexchange coupling through a hydrogen bond in a linear copper(II) complex, [Cu(LH)(L)]center dot BF4 center dot 2H(2)O (LH = N-tert-butyl-N-2-pyridylhydroxylamine)
Crystal structure analysis of the title compound revealed the presence of a hydrogen bond in an intermolecular LH center dot center dot center dot L contact with the O center dot center dot center dot O distance of 2.4252(16) angstrom to form a one-dimensional polymeric structure. Magnetic study clarified that a relatively large exchange coupling was determined as 2J/k(B) = -33.2(2) K from the Bonner-Fisher analysis and ascribable to the super-superexchange coupling along the Cu-O-H center dot center dot center dot O-Cu path. (C) 2009 Elsevier B.V. All rights reserved.