结构化学
結構化學
결구화학
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY
2001年
2期
100-103
,共4页
The title compound is separated from the ginkgo hairy rootculture. This compound (C11H10O5, Mr=222.19), crystallizes in the monoclinic system, space group P21/n, with cell parameters: a=9.571(2), b=12.411(2), c=16.934(3)Å, β=101.92(3)°, V=1968.4Å3, Z=8, Dc=1.499g/cm3; F(000)=928.0, MoKα radiation, λ=0.71013Å, R=0.051 and wR=0.115 for 1605 independent reflections with I≥4σ (I). In the molecule, the aromatic and lactone rings are coplanar nearly. One of the two methoxyls is almost coplanar, but another one deviates from the molecular plane. There are intermolecular hydrogen bonds in the crystal.
