Abstract
In the title compound, C12H15NO4, the butyric acid group has a stretched trans conformation. The dihedral angle between the phenyl ring and the oxycarboxyamino N—(C=O)—O—C plane is 56.6 (2)°. In the crystal, an inversion dimer is formed by a pair of O—H⋯O hydrogen bonds. The dimers are further linked by N—H⋯O hydrogen bonds between amide groups, forming a tape along the b axis.
Highlights
In the title compound, C12H15NO4, the butyric acid group has a stretched trans conformation
An inversion dimer is formed by a pair of O—H O hydrogen bonds
The dimers are further linked by N—H O hydrogen bonds between amide groups, forming a tape along the b axis
Summary
R factor = 0.046; wR factor = 0.131; data-to-parameter ratio = 15.5. C12H15NO4, the butyric acid group has a stretched trans conformation. The dihedral angle between the phenyl ring and the oxycarboxyamino N—(C O)—O—C plane is 56.6 (2). An inversion dimer is formed by a pair of O—H O hydrogen bonds. The dimers are further linked by N—H O hydrogen bonds between amide groups, forming a tape along the b axis. H atoms treated by a mixture of independent and constrained refinement max = 0.14 e Å3. Symmetry codes: (i) x; y þ 1; z þ 1; (ii) x; y 1; z
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