Affiliation: | 1. Department of Pure and Applied Chemistry, University of Strathclyde, GB-Glasgow, G1 1XL (UK);2. University Chemical Laboratory, Lensfield Road, GB-Cambridge, CB2 1EW (UK), Telefax: Int. code + (223) 336-362;3. Institut für Anorganische Chemie der Universität, Tammanstrasse 4, D-37077 Göttingen (FRG) |