(μ-Ethane-1,2-diamine-K2N:N′)bis- [dicarbonyl(η5-cyclopentadienyl)iron(II)] bis(tetrafluoridoborate)

Abstract

The asymmetric unit of the title compound, [Fe2(C 5H5)2(C2H8N 2)(CO)4](BF4)2, contains two halfcations, each located on a center of symmetry, and two tetrafluoridoborate anions. The iron atoms adopt a three-legged piano-stool geometry. All amine H atoms are involved in N - H⋯F hydrogen bonds, which consolidate the crystal packing along with weak C - H⋯O and C - H⋯F interactions.