Abstract

The preparation of tetrabutylammonium bis[2‐(2‐thienyl)‐4,5‐thiazoledithiolato]nickelate(1–) is presented as the first example of a new family of π‐extended fused‐ring metal dithiolenes. The optical, electronic, and structural properties of this complex have been characterized by UV/Vis‐NIR spectroscopy, cyclic voltammetry, and X‐ray crystallography. Comparison of these properties to the analogous nickel thiophenedithiolene shows that incorporation of nitrogen into the fused ring stabilizes the frontier orbitals of the thiazole‐based complex, while preserving the planar geometry, electronic delocalization, and low‐energy NIR absorption of the previous thiophene‐based species.

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