Semiempirical molecular orbital studies on the electronic structure of molecules in excited states: the INDO/2-V<SUB>N- 1</SUB> potential model : part I

The performance of the V<SUB>N-1</SUB> potential model at the INDO/2 level of approximation in the calculation of transition energy, singlet-triplet splitting, change in molecular structure, inversion barrier and electron-density distribution in the excited electronic states of a few simple carbonyls is analysed. The method turns out to be reasonably successful in many ways