1-Amino-2-nitraminoethane.

The molecule of title compound, C(2)H(7)N(3)O(2), has a zwitterionic structure. All non-H atoms, apart from the terminal N atom of the NH(3) group, lie in the same plane, with a maximum deviation of 0.056 (1) A for the amine N atom of the nitramine group, whereas the deviation of the terminal N atom of the NH(3) group from the same plane is 1.