Angewandte Chemie International Edition

Cover image for Vol. 54 Issue 49

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPlusChem, Zeitschrift für Chemie

Cover Picture (Angew. Chem. Int. Ed. Engl. 13/1994)

33_13/1994The cover picture shows the electron density distribution for the tetracyanoethylene radical anion as calculated with a hybird model using a minimal basis set of atomic orbitals (pz oritabls for C and N) and a multipolar expansion of the spin density. The picture shows the best agreement with the experimental data obtained by neutron diffraction. The significant electron density apparent at the nitrogen atoms is necessary for magnetic interactions. More on the analysis is given by J. S. Miller et al. on p. 139ff.

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