Angewandte Chemie International Edition

Cover image for Vol. 57 Issue 9

Editor: Neville Compton, Deputy Editor: Frank Maass. Editor Emeritus: Peter Gölitz

Online ISSN: 1521-3773

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

Cover Picture (Angew. Chem. Int. Ed. Engl. 4/1987)

26_04/1987The cover shows a space-filling model (drawn with the SCHAKAL program) of a tris(arene) gallium complex with a novel mode of coordination: gallium(I) is enclosed in the cavity formed by the three benzene rings of [2.2.2]paracyclophane. This is the first example of a metal complex containing three centrically bound neutral arene ligands. The central atom has no less than 19 atoms in its first coordination sphere—18 C atoms of the benzene rings and one Br atom of the anion GaBr4, which forms a weak contact. Further details are reported by H. Schmidbaur et al. on page 338 ff.

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