Acta Cryst. (2009). C65, o261-o266  [ doi:10.1107/S0108270109010683 ]

Conformational isomers of the [(5-methyl-2-pyridinio)aminomethylene]diphosphonate dianion and [(5-methyl-2-pyridyl)aminomethylene]diphosphonate trianion in salts with 4-aminopyridine and ammonia

E. Matczak-Jon, K. Slepokura, P. Kafarski, I. Skrzynska and M. Jon

Formula: 2C₅H₇N₂⁺·C₇H₁₀N₂O₆P₂^2-·2.4H₂O and 3NH₄⁺·C₇H₉N₂O₆P₂^3-·H₂O

Online 2 May 2009

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