Affiliation: | (1) Guelph Waterloo Centre for Graduate Work in Chemistry, University of Guelph, Guelph, Ontario, Canada;(2) Quantum Chemistry Group, University of Uppsala, 518, S-751 20 Uppsala, Sweden;(3) Present address: Guelph Waterloo Centre for Graduate Work in Chemistry, University of Guelph, Guelph, Ontario, Canada |