Abstract
The AuI atom in the title compound, [Au(C21H24N2)2](C24H20B5O6), adopts a slightly distorted linear AuC2 coordination geometry arising from its coordination by two mesitylenic N-heterocyclic carbene ligands, forming an overall cationic complex. The dihedral angle between the imidazole rings is 57.3 (6)°. In the crystal, the components are linked by weak C—H⋯O hydrogen bonds.
Highlights
The AuI atom in the title compound, [Au(C21H24N2)2](C24H20B5O6), adopts a slightly distorted linear AuC2 coordination geometry arising from its coordination by two mesitylenic N-heterocyclic carbene ligands, forming an overall cationic complex
The title compound was obtained as a side product in the synthesis of the (1,3-dimesitylimidazolium)gold phenyl complex in an attempt to transmetallate the NHC gold(I) tert-butoxide (Johnson et al, 2011) using phenyl boronic acid
A different approach leading to the NHC gold(I) phenyl complex was reported by Pazicky et al (2010)
Summary
The AuI atom in the title compound, [Au(C21H24N2)2](C24H20B5O6), adopts a slightly distorted linear AuC2 coordination geometry arising from its coordination by two mesitylenic N-heterocyclic carbene ligands, forming an overall cationic complex. The dihedral angle between the imidazole rings is 57.3 (6). The components are linked by weak C—H O hydrogen bonds
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