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Die Rolle der d‐Orbitale in sechsfach koordinierten Clustern aus Gruppe‐13‐Elementen nehmen F. M. Bickelhaupt, M. G. Goesten et al. in der Zuschrift auf S. 12202 ff. unter die Lupe. Bislang wurde vermutet, dass deren strukturelle Ähnlichkeit mit Übergangsmetallanaloga auf eine Beteiligung der d‐Orbitale an den Clusterbindungen hinweist. Nun wird jedoch gezeigt, dass die d‐Orbitale keine Rolle spielen...
Bonding in six‐coordinate complexes based on Group 13 elements (B, Al, Ga, In, Tl) is usually considered to be identical to that in transition‐metal analogues. We herein demonstrate through sophisticated electronic‐structure analyses that the bonding in these Group 13 element complexes is fundamentally different and better characterized as electron‐rich hypervalent bonding with essentially no role...
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