4,4'-Dinitro-2,2'-Biimidazole Dimethylformamide Solvate

by Bryan, C. D.; Scott, S.; Cordes, A. W.; Folkert, S. L.; Hester, C.; Collier, H.

The title molecules, C6H4N6O4.2C(3)H(7)NO, lie on a center of inversion. One N atom of the ring is hydrogen bonded to the O atom of the dimethylformamide (DMF) solvate molecule [N-H ... O = 2.699 (4) Angstrom]. The nitro group is tilted by 4.11(18)degrees with respect to the imidazole ring.