Angewandte Chemie International Edition

Cover image for Vol. 56 Issue 35

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, ChemPhotoChem, ChemPlusChem, Zeitschrift für Chemie

46_19b/2007Inside Cover: [Al(Al3R3)2]: Prototype of a Metalloid Al Cluster or a Sandwich‐Stabilized Al Atom? (Angew. Chem. Int. Ed. 19/2007)

Unique among metalloid clusters is the [Al7R6] structural element presented by H. Schnöckel and co-workers, which on the basis of the topology of its seven aluminum atoms is analogous to the metal and thus a molecular model for a single-atom contact. The Communication on page 3579 ff. reports that the oxidation and reduction of the neutral [Al7R6] cluster—like the removal and addition of an electron in conductance experiments—leads to drastic changes in the bond lengths within the {Al}7 framework and thus to different bonding properties.

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