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Acta Cryst. (2005). E61, o2772-o2774  [ doi:10.1107/S1600536805023974 ]


H.-J. Zang and M.-L. Guo

Abstract: In the title compound, C11H11N2O7P, compression of the P-O-C angles is observed, suggesting that some strain is probably present. The configuration around phosphorus is distorted tetrahedral. In the crystal structure, N-H...O and C-H...O hydrogen-bond contacts and van der Waals forces stabilize the packing of the compound.

Online 30 July 2005

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