CRYSTAL STRUCTURES OF ISOMERS OF DIHYDROXYDIBENZO-14-CROWN-4

CRYSTAL STRUCTURES OF ISOMERS OF DIHYDROXYDIBENZO-14-CROWN-4

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摘要 C18H18O6·H2O, Mr = 348. 34, cis-isomer: orthorhombic, Cmc21, a = 16. 421(3), 6 = 11.978(1), c=8. 624(1)(?), V = 1696. 2(?)3, Z = 4, Dc= 1.293 gcm-3, λ(MoKα) = 0. 71073(?), μ = 0. 911cm-1, F (000) = 763, R = 0. 043, Rw = 0. 042 for 769 unique observed reflections. trans-Isomer : orthorhombic, Cmc21, a = 16. 503(2), b = 12. 297(2), c=8. 557(3) (?). V = 1736(?)3, Z = 4, Dc= 1.271 gem-3, λ(MoKα) = 0. 71073(?), μ = 0. 892cm-1, F (000) = 736, R=0.048, Rw = 0. 046 for 551 unique observed reflections. The configurations of the two molecules appear as butterflies. There is a Cm symmetry in the molecule of each isomer. C18H18O6·H2O, Mr = 348. 34, cis-isomer: orthorhombic, Cmc21, a = 16. 421(3), 6 = 11.978(1), c=8. 624(1)(?), V = 1696. 2(?)3, Z = 4, Dc= 1.293 gcm-3, λ(MoKα) = 0. 71073(?), μ = 0. 911cm-1, F (000) = 763, R = 0. 043, Rw = 0. 042 for 769 unique observed reflections. trans-Isomer : orthorhombic, Cmc21, a = 16. 503(2), b = 12. 297(2), c=8. 557(3) (?). V = 1736(?)3, Z = 4, Dc= 1.271 gem-3, λ(MoKα) = 0. 71073(?), μ = 0. 892cm-1, F (000) = 736, R=0.048, Rw = 0. 046 for 551 unique observed reflections. The configurations of the two molecules appear as butterflies. There is a Cm symmetry in the molecule of each isomer.

作者谌了容喻宗沅等

机构地区 CenterofAnalysisandMeasurement CenterofAnalysisandMeasuremen

出处《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1992年第2期118-121,共4页 结构化学（英文）

分类号 O623.423 [理学—有机化学] O76 [理学—化学]

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1喻宗沅被引量：1

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Chinese Journal of Structural Chemistry

1992年第2期

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CRYSTAL STRUCTURES OF ISOMERS OF DIHYDROXYDIBENZO-14-CROWN-4

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