Acta Cryst. (2008). E64, m217  [ doi:10.1107/S160053680706415X ]

Octacarbonyl(5-methoxy-2,3-dihydro-1H-benzimidazol-2-yl)di-₃-sulfido-diiron(I)iron(II)(2 Fe-Fe)

T. Zhang, M. Wang, P. Li and L. Sun

Abstract: The title compound, [Fe₃(C₈H₈N₂O)S₂(CO)₈], was prepared by the direct reaction of Fe₃(CO)₁₂ and 5-methoxy-1H-benzoimidazole-2-thiol in tetrahydrofuran. Desulfurization took place readily to form a sulfide carbonyl cluster. The molecule contains a triangle consisting of three Fe atoms capped by two S atoms above and below. There are two Fe-Fe bonds [2.6322 (5) and 2.5582 (5) Å] in the triangle; the length of the third edge [3.3987 (5) Å] is too long to represent an Fe-Fe bond.

Online 18 December 2007

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