In-plane force constants for the planar halidebridge bridged artions [M2X6]2- (M = Pd or Pt, X = Cl, Br or I) have been calculated on the basis of a modified valence force field model, with some constrained interaction constants taken from earlier work on corresponding [MX4]2- systems. The terminal stretching force constants are larger than the bridge stretching force constants but the difference diminishes for the heavier halidex. The values are compared with those of the monomeric [MX4]2- systems and it is shown that the relationships correlate with the chemical reactivity of the halide bridges.
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Inorganic Chemistry
- Materials Chemistry