Acta Cryst. (2013). E69, o248
[ doi:10.1107/S1600536813001207 ]

Orphenadrinium dihydrogen citrate

M. Kaur, J. P. Jasinski, A. C. Keeley, H. S. Yathirajan and B. P. Siddaraju

Abstract: In the title salt, C₁₈H₂₄NO⁺·C₆H₇O₇^-, the dihedral angle between the benzene rings in the cation is 74.2 (5)°. In the crystal, anion-anion O-HO hydrogen bonds and weak O-HO interactions form infinite chains along [100]. Between these chains, cation-anion N-H-O hydrogen bonds are observed, forming an alternate pattern of cation and anion layers and leading to a two-dimensional network parallel to (100).

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