The CH ⋯ O hydrogen bond adduct of two trinitromethanes to dioxane

Abstract
Recrystallization of (O2N)3CH from dioxane yields the triple aggregate (O2N)3CH ⋯ O(CH2CH2)2O ⋯ HC(NO2)3 with the shortest C(H)⋯ O distances reported so far of 293.7(1) pm.