Acta Cryst. (2001). E57, o872-o874  [ doi:10.1107/S1600536801013460 ]

L-Argininium dinitrate

S. Ramaswamy, B. Sridhar, V. Ramakrishnan and R. K. Rajaram

Abstract: In the title compound, C₆H₁₆N₄O₂²⁺·2NO₃ ^-, the diprotonated argininium molecule is linked by a strong O-HO [2.653  (7)  Å] hydrogen bond to the nitrate anion. The single-bonded O atom of the carboxyl group exhibits a very unusual cis conformation with respect to the -amino N atom. Chelated three-centered hydrogen bonds are observed in the case of the N and N atoms with the nitrate anions. The argininium molecules are connected by type A, B and D interactions through nitrate anions.

Online 31 August 2001

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