QUANTUM-FIELD LABILITY INDEXES OF LIGANDS FOR PREDICTING SOME PROPERTIES OF PLATINUM COMPLEXES

The state of a Ligand in a molecule is discussed in terms of the quant um field theory operating with wave functions and occupation numbers i n the Fock space. Following the basic concepts of the quantum theory, the state of a ligand is considered as an average weighed value of two ionic states given in the form of effective electron charge on ligand . A shift in the ligand state between the ionic states under the influ ence of an external field is estimated in terms of lability indexes ar ising as a result of the information statistical theory application to the problem of quantum parameter estimation. The proposed indexes com bined with their energetic characteristics are used for predicting cis and trans effects in platinum(II) complexes forming the Werner-Miolat ti series. (C) 1997 John Wiley & Sons, Inc.