Abstract
In the title compound, C17H16O3, the carbonyl group is in an s-cis configuration with respect to the olefinic double bond. The dihedral angle between the two benzene rings is 2.85 (3)°. The prop-2-en-1-one bridge makes dihedral angles of 4.77 (4) and 4.15 (4)°, respectively, with the 2-hydroxyphenyl and 4-ethoxyphenyl rings. The ethoxy group is coplanar with the attached phenyl ring [Car—O—C—C = 179.72 (5)°]. An intramolecular O—H⋯O hydrogen bond generates an S(6) ring motif. In the crystal structure, molecules are stacked in an antiparallel manner to form columns along the b axis. The columnar structure is stabilized by C—H⋯π interactions involving the 2-hydroxyphenyl ring.
Highlights
C17H16O3, the carbonyl group is in an scis configuration with respect to the olefinic double bond
Molecules are stacked in an antiparallel manner to form columns along the b axis
The columnar structure is stabilized by C—HÁ Á Á interactions involving the 2-hydroxyphenyl ring
Summary
Absorption correction: multi-scan (SADABS; Bruker, 2005) Tmin = 0.948, Tmax = 0.969. R[F 2 > 2(F 2)] = 0.041 wR(F 2) = 0.124 S = 1.04 5848 reflections 186 parameters. C17H16O3, the carbonyl group is in an scis configuration with respect to the olefinic double bond. The dihedral angle between the two benzene rings is 2.85 (3). The prop-2-en-1-one bridge makes dihedral angles of 4.77 (4) and 4.15 (4), respectively, with the 2-hydroxyphenyl and 4ethoxyphenyl rings. The ethoxy group is coplanar with the attached phenyl ring [Car—O—C—C = 179.72 (5)]. An intramolecular O—HÁ Á ÁO hydrogen bond generates an S(6) ring motif. Molecules are stacked in an antiparallel manner to form columns along the b axis. The columnar structure is stabilized by C—HÁ Á Á interactions involving the 2-hydroxyphenyl ring
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