Abstract
The title compound, C13H13NO2, was previously described in space group P21/c by He et al. [Acta Cryst. (1993), C49, 2000–2002]. The ethyl group is disordered over two sets of sites in a 0.615 (10):0.385 (10) ratio. The C—O—C—C torsion angles containing the ethyl group are −111.6 (10) and 177.9 (7)°, while in the previously reported polymorph, the torsion angle is −167.3 (2)°. The molecules pack to form a three-dimensional structure in the ABAB style along the c-axis direction in the title compound, but parallel to the a-axis direction in the reported polymorph.
Highlights
The title compound, C13H13NO2, was previously described in space group P21/c by He et al [Acta Cryst. (1993), C49, 2000– 2002]
The ethyl group is disordered over two sets of sites in a 0.615 (10):0.385 (10) ratio
The molecules pack to form a three-dimensional structure in the ABAB style along the c-axis direction in the title compound, but parallel to the a-axis direction in the reported polymorph
Summary
Absorption correction: multi-scan phi and omega scans Tmin = 0.984, Tmax = 0.984. V = 1207.93 (18) A 3 Z=4 Mo K radiation = 0.08 mmÀ1 T = 298 K 0.20 Â 0.20 Â 0.20 mm 8359 measured reflections 2117 independent reflections 1617 reflections with I > 2(I) Rint = 0.020. The title compound, C13H13NO2, was previously described in space group P21/c by He et al [Acta Cryst. The ethyl group is disordered over two sets of sites in a 0.615 (10):0.385 (10) ratio. The C—O—C—C torsion angles containing the ethyl group are À111.6 (10) and 177.9 (7), while in the previously reported polymorph, the torsion angle is À167.3 (2). The molecules pack to form a three-dimensional structure in the ABAB style along the c-axis direction in the title compound, but parallel to the a-axis direction in the reported polymorph
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