Synthesis of a Trigold Monocation: An Isolobal Analogue of [H3]

Isolobal and isolatable: A triangular [L3Au3]+ ion, bearing N‐heterocyclic carbene ligands (L), is crystallographically characterized (see structure; Au yellow, C gray, N blue). Density functional theory suggests full valence delocalization among the gold atoms, with the HOMO composed largely of gol...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2012-11, Vol.51 (48), p.12077-12080
Main Authors: Robilotto, Thomas J., Bacsa, John, Gray, Thomas G., Sadighi, Joseph P.
Format: Article
Language:English
Subjects:
carbon monoxide
cluster compounds
gold
isolobal relationships
N-heterocyclic carbene ligands
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Summary:Isolobal and isolatable: A triangular [L3Au3]+ ion, bearing N‐heterocyclic carbene ligands (L), is crystallographically characterized (see structure; Au yellow, C gray, N blue). Density functional theory suggests full valence delocalization among the gold atoms, with the HOMO composed largely of gold 6s orbitals and the LUMO comprising a degenerate pair. This orbital picture is analogous to that of [H3]+.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201206712