Ra. Evarestov et al., QUANTUM-CHEMICAL CALCULATION OF NICKEL AND COPPER ATOMIC VALENCIES INCRYSTALLINE OXIDES, International journal of quantum chemistry, 52(2), 1994, pp. 295-299
A new quantum chemical definition is proposed of the full atomic valen
ce, V-A, taking into account both the covalent and ionic parts of the
chemical bonds formed by atoms in molecules and crystals. The full ato
mic valencies, covalencies, and charges on atoms are calculated for ni
ckel-oxygen crystalline compounds in the CNDO band theory approximatio
n. A comparison of the chemical bonding in nickel and copper crystalli
ne oxides is given. (C) 1994 John Wiley & Sons, Inc.