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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure and conformational analysis of 2-hy­droxy-3-(2-methyl­prop-1-en-1-yl)naphthalene-1,4-dione
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Crystal structure and conformational analysis of 2-hy­droxy-3-(2-methyl­prop-1-en-1-yl)naphthalene-1,4-dione

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摘要

In the structure of the title compound, C14H12O3, the substituent side chain, in which the H atoms of both methyl groups are disordered over six equivalent sites, lies outside of the plane of the naphthalene­dione ring. The ring-to-chain C—C—C—C torsion angles are 50.7 (3), −176.6 (2) and 4.9 (4)°. An intra­molecular meth­yl–hy­droxy C—H⋯O hydrogen bond is present. In the crystal, mol­ecules are primarily connected by inter­molecular O—H⋯O hydrogen bonds, forming a centrosymmetric cyclic dimer motif graph set R22(10). Also present is a weak inter­molecular C—H⋯O hydrogen bond linking the dimers and a weak π–π ring inter­action ring centroid separation = 3.7862 (13) Å, giving layers parallel to (10-3).

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