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Acta Cryst. (2008). E64, o393-o394 [ doi:10.1107/S1600536807068791 ]
Abstract: Ions of the title compound, C6H15N2O2+·C2F3O2-, a new organic nonlinear optical crystal, are linked by N-H
O hydrogen-bonding interactions. Both the amino groups of the L-lysinium cation are protonated. A three-dimensional network of hydrogen bonds is observed, forming a closed ring. Intermolecular N-HO hydrogen bonds involving L-lysinium cations and trifluoroacetate anions link the ions into extended chains which run parallel to the [010] direction. The F atoms of the trifluoroacetate anion are disordered over two sites with site occupancies of 0.423 (18) and 0.577 (18). The asymmetric unit consists of two cations and two anions.
Online 9 January 2008
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