Abstract
The title compound, C21H16N2O2, was derived from 1-(2-hydroxyphenyl)-3-(-methoxyphenyl)propane-1,3-dione. The molecular structure of the title compound is stabilized by an intramolecular O—H⋯N hydrogen bond. The dihedral angle between the hydroxyphenyl ring involved in this intramolecular hydrogen bond and the pyrazole ring is significantly smaller [10.07 (6)°] than the dihedral angle between the pyrazole and the other hydroxyphenyl ring [36.64 (5)°]. The benzene ring makes a dihedral angle of 54.95 (3)° with the pyrazole ring. The crystal packing is stabilized by O—H⋯O and O—H⋯N hydrogen bonds.
Highlights
The title compound, C21H16N2O2, was derived from 1-(2hydroxyphenyl)-3-(-methoxyphenyl)propane-1,3-dione
The molecular structure of the title compound is stabilized by an intramolecular O—HÁ Á ÁN hydrogen bond
The dihedral angle between the hydroxyphenyl ring involved in this intramolecular hydrogen bond and the pyrazole ring is significantly smaller [10.07 (6)] than the dihedral angle between the pyrazole and the other hydroxyphenyl ring [36.64 (5)]
Summary
Refinement R[F 2 > 2(F 2)] = 0.039 wR(F 2) = 0.101 S = 1.03 3799 reflections 235 parameters. V = 1650.3 (2) A 3 Z=4 Mo K radiation = 0.09 mmÀ1 T = 173 (2) K 0.48 Â 0.46 Â 0.46 mm 3799 independent reflections 3235 reflections with I > 2(I) Rint = 0.034. The title compound, C21H16N2O2, was derived from 1-(2hydroxyphenyl)-3-(-methoxyphenyl)propane-1,3-dione. The molecular structure of the title compound is stabilized by an intramolecular O—HÁ Á ÁN hydrogen bond. The dihedral angle between the hydroxyphenyl ring involved in this intramolecular hydrogen bond and the pyrazole ring is significantly smaller [10.07 (6)] than the dihedral angle between the pyrazole and the other hydroxyphenyl ring [36.64 (5)]. The crystal packing is stabilized by O—HÁ Á ÁO and O—HÁ Á ÁN hydrogen bonds
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