%0 Journal Article %T Dimethyl hydrazine-1,2-dicarboxylate–triphenylphosphine oxide (1/1) %A Bogdan Doboszewski %A James McGarrah %A Alexander Y. Nazarenko %A Fabio da Paixao Soares %J Acta Crystallographica Section E %D 2011 %I International Union of Crystallography %R 10.1107/s160053681101991x %X In the crystal structure of the title compound, C4H8N2O4¡¤C18H15OP, two triphenylphosphine oxide molecules and two dimethyl hydrazine-1,2-dicarboxylate molecules are connected via N¡ªH...O hydrogen bonds of moderate strength and are related via a twofold rotational axis. Weak Car¡ªH... O contacts strengthen the crystal structure. %U http://scripts.iucr.org/cgi-bin/paper?S160053681101991X