Vibrational spectroscopic analysis of some Hofmann-T-d type complexes

Abstract

New Hofmann-T-d type complexes in the form of Ni(4Chpy)(2)M(CN)(4) (M = Cd or Hg and 4chpy = 4-(3-cyclohexen-1-yl)pyridine) have been prepared and their FT-IR and FT-Raman spectra have been reported. The results suggest that present compounds are similar in structure to the Hofmann-T-d type complexes, in which the M atom is tetrahedrally coordinated to the carbon atoms of the four cyanide groups, while the Ni atom is octahedrally surrounded by six nitrogen atoms, two of which are from 4chpy ligands which have been coordinated as a unidentate ligand and the rest are from cyanide groups. In this host structure, the M(CN)(4) groups have been linked by the Ni(4chpy)(2) moieties to form a three-dimensional network