Abstract
The synthesis of a homoleptic HgII complexes with in situ‐formed N‐heterocyclic carbene telluride ligands is reported. Tetrakis(1‐hexyl‐3‐methylimidazole‐2‐tellurone) mercury(II), [(C6C1imTe)4Hg]2+ (1), and tetrakis(1‐octyl‐3‐methylimidazole‐2‐tellurone) mercury(II), [(C8C1imTe)4Hg]2+ (2), emerge from reaction mixtures containing telluridomercurate anions and potassium cations in imidazolium‐based ionic liquids (CnC1Im)[BF4] (n = 6, 8), if these are exposed to ambient conditions, that is, air, moisture and room temperature. The compounds crystallize with two of the ionic liquid cations each, and form van der Waals dimers via Te···Te interactions in the crystal. Although being coordinated in a homoleptic manner, the orientation of the imidazolium ligands is such that two of them undergo π‐stacking interactions, while the others interact with neighboring units via their alkyl chains.
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