Acta Cryst. (2012), E68, o593-o594. Â Â [ doi:10.1107/S1600536812003303 ]
The title compound, C7H13NO3, adopts an approximately planar conformation. The torsion angles in the aliphatic chain between the carbonyl group C atoms range from 172.97 (14) to 179.38 (14)° and the r.m.s. deviation of all non-H atoms is 0.059 Å. The crystal packing is dominated by two strong N-H···O hydrogen bonds involving the amide groups and forming R22(8) rings and C(4) chains. Overall, a two-dimensional network parallel to (100) is formed. A weak intermolecular C-H···O interaction is also present.
Hydrogen bonding in methyl 6-amino-6-oxohexanoate
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Acta Cryst. (2012), E68, o595. Â Â [ doi:10.1107/S1600536812003297 ]
In the title compound, C4H10NO2+·Cl–, the central ethylene bond of the cation adopts a gauche conformation. The three H atoms of the -NH3+ group are engaged in strong and highly directional intermolecular N-H···Cl hydrogen bonds, which result in a tape-like arrangement along [010] of the respective ion pairs. In addition, weak intermolecular C-H···Cl and C-H···O interactions are present.
Hydrogen bonding in 3-methoxy-3-oxopropanaminium chloride
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