日本分析化学会 = The Japan Society for Analytical Chemistry
抄録
Crystal Structure of 7-(1H-pyrrol-1-yl)-4-trifluoromethyl-2H-1-benzopyran-2-one has been determined by X-ray diffraction. The crystal, C14H8NO2F3, belongs to space group P21/n with cell dimensions of a = 10.201(6)Å, b = 8.481(8)Å, c = 13.864(8)Å, β = 109.75(2)°. The final R value is 0.041 for 2602 reflections (I > 2.00 σ(I)). The coumarin and the pyrrole moieties are almost coplanar. The dihedral angle between the least-squares planes of the aromatic ring and the pyrrolyl group is 6.98(4)°.
権利
Copyright (c) 2006 by The Japan Society for Analytical Chemistry
Crystal Structure of a Pyrrolyl-Substituted 4-Trifluoromethylcoumarin
TE-PR-KUNIMOTO-K-189.pdf
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