(2 Z,3 Z)-Quinoxaline-2,3(1 H,4 H)-dione dioxime

Abstract

The asymmetric unit of the title compound, C ₈H ₈N ₄O ₂, contains one half-mol­ecule; a twofold rotation axis bisects the molecule. An intra­molecular N—H⋯O hydrogen bond results in the formation of a five-membered ring, which displays an envelope conformation. In the crystal structure, inter­molecular O—H⋯N hydrogen bonds link the mol­ecules.