The title compound, 1,4-bis(dinitromethyl)pentacyclo[4.2.0.0 (2,5).0(3,8).0
(4,7)]octane, C10H8N4O8, crystallizes in the monoclinic space group P2(1)/c
. The asymmetric unit consists of two half-molecules located about centers
of inversion. There are no significant differences in chemically equivalent
bond lengths and angles between the two half-molecules.