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Acta Cryst. (2002). E58, o706-o707 [ doi:10.1107/S1600536802009662 ]
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-ammonio--methylpropionoateAbstract: The redetermined structure of the title compound, C4H9NO2, comprises a simple amino acid derivative arranged in an extensive hydrogen-bonded network, with the three hydrogen-bond donor elements (N-H) associating with the two hydrogen-bond acceptor elements (carboxylate O atoms). The addition of one C-H
O close contact results in both carboxylate O atoms being involved in three-centre hydrogen-bonding associations.
Online 8 June 2002
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