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首页> 外文期刊>Journal of Chemical Crystallography >3,5-Dichloro-4-cyanobenzoic Acid Co-crystals with Carbon Tetrachloride, Naphthalene, and Anthracene
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3,5-Dichloro-4-cyanobenzoic Acid Co-crystals with Carbon Tetrachloride, Naphthalene, and Anthracene

机译:3,5-二氯-4-氰基苯甲酸与四氯化碳,萘和蒽的共晶体

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摘要

The title compound, C8H3Cl2NO2 (M), forms co-crystals with carbon tetrachloride, M/CCl4; naphthalene, M/1/2C10H8; and anthracene, M/1/2C14H10. Cell parameters for M/CCl4: a = 8.8657(10) Å, b = 8.9393(10) Å, c = 10.2658(12) Å, α = 66.622(2)°, β = 69.510(2)°, γ = 71.968(2)°, space group P-1. Cell parameters for M/1/2C10H8: a = 8.0304(13) Å, b = 9.0112(14) Å, c = 9.4742(15) Å, α = 112.282(3)°, β = 100.378(3)°, γ = 91.968(3)°, space group P-1. Cell parameters for M/1/2C14H10 a = 5.8893(7) Å, b = 7.3885(9) Å, c = 15.4098(18) Å, α = 87.972(2)°, β = 82.242(2)°, γ = 78.085(2)°, space group P-1. In each case the benzoic acid groups interact to form dimers of M with an R 2 2 (8) motif. The dimers are linked together through CN···Cl intermolecular interactions with an R 2 2 (10) motif to form chains or sheets. With the exception of one CN···CCl4 interaction, the other molecule in each co-crystal is packed between chains (carbon tetrachloride) or in holes in the sheets (naphthalene and anthracene).
机译:标题化合物C8 H3 Cl2 NO2 (M)与四氯化碳M / CCl4 形成共晶体。萘,M / 1 / 2C10 H8 ;和蒽,M / 1 / 2C14 H10 。 M / CCl4 的电池参数:a = 8.8657(10)Å,b = 8.9393(10)Å,c = 10.2658(12)Å,α= 66.622(2)°,β= 69.510(2)° ,γ= 71.968(2)°,空间群P-1。 M / 1 / 2C10 H8 的像元参数:a = 8.0304(13)Å,b = 9.0112(14)Å,c = 9.4742(15)Å,α= 112.282(3)°, β= 100.378(3)°,γ= 91.968(3)°,空间群P-1。 M / 1 / 2C14 H10 的像元参数a = 5.8893(7)Å,b = 7.3885(9)Å,c = 15.4098(18)Å,α= 87.972(2)°,β = 82.242(2)°,γ= 78.085(2)°,空间群P-1。在每种情况下,苯甲酸基团相互作用形成具有R 2 2 (8)主题的M的二聚体。二聚体通过具有R 2 2 (10)主题的CN··Cl分子间相互作用连接在一起,形成链或片。除了一个CN···CCl4 相互作用外,每个共晶体中的另一个分子堆积在链之间(四氯化碳)或片层的孔中(萘和蒽)。

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