Crystal structure of (S)-2-amino-2-methylsuccinic acid
2015 ◽
Vol 71
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pp. o731-o732
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The title compound, C5H9NO4, crystallized as a zwitterion. There is an intramolecular N—H...O hydrogen bond involving thetrans-succinic acid and the ammonium group, forming anS(6) ring motif. In the crystal, molecules are linked by O—H...O hydrogen bonds, formingC(7) chains along thec-axis direction. The chains are linked by N—H...O and C—H...O hydrogen bonds, forming sheets parallel to thebcplane. Further N—H...O hydrogen bonds link the sheets to form a three-dimensional framework.
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pp. o982-o983
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pp. o788-o789
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pp. 1151-1153
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