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2,2'-(Diselane-1,2-di-yl)dinicotinamide N,N'-dimethyl-formamide disolvate. 2010

Aixia Feng, and Ying Xu, and Xuehong Wei
School of Chemistry and Chemical Engineering, Shanxi University, Shanxi Province, People's Republic of China.

The asymmetric unit of the title compound, C(12)H(10)N(4)O(2)Se(2)·2C(3)H(7)NO, contains two solvent mol-ecules and two half mol-ecules of the dinicotinamide, each of which sits on a center of symmetry passing through the middle of the Se-Se bond. In each mol-ecule, the two pyridyl groups and diseleno group are approximately coplanar (r.m.s. deviations from planarity for all non-H atoms = 0.011 and 0.008 Å in the two mol-ecules). Inter-molecular N-H⋯O hydrogen bonds stablilize the crystal packing.

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