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Acta Crystallogr Sect E Struct Rep Online; 66(Pt 7): o1564, 2010 Jun 05.
Artigo em Inglês | MEDLINE | ID: mdl-21587807
In the title chromenone derivative, C(10)H(8)O(2), the two fused six-membered rings are coplanar, with a mean deviation of 0.0261 (1) Šfrom the plane through the non-H atoms of the rings. The carbonyl and methyl substituents of the pyran ring also lie close to that plane, with the O and C atoms deviating by 0.0557 (1) and 0.1405 (1) Å, respectively. In the crystal, weak C-H⋯O contacts form chains along the a axis.