title: 8-Benzoyl-7-hy-droxy-4-methyl-2H-1-benzopyran-2-one monohydrate.
abstract: In the title compound, C(17)H(12)O(4)·H(2)O, the coumarin ring system is approximately planar with a maximum atomic deviation of 0.011 (2) Å, and is nearly perpendicular to the phenyl ring at a dihedral angle of 86.63 (9)°. In the crystal, mol-ecules are linked by classical O-H⋯O and weak C-H⋯O hydrogen bonds. π-π stacking is also present [centroid-centroid distance = 3.6898 (12) Å].
authors: Shu-Ping
authors: SP
authors: Yang
authors: Li-Jun
authors: LJ
authors: Han
authors: Da-Qi
authors: DQ
authors: Wang
authors: Xiao-Yun
authors: XY
authors: Chen
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