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Synthesis and Crystal Structure of 5-[(1H-1,2,4-Triazol-1- yl)methyl]-4-(2,3-dimethoxybenzylideneamino)-2-2H-1,2,4-triazole-3(4H)-thione Monohydrate

Synthesis and Crystal Structure of 5-[(1H-1,2,4-Triazol-1- yl)methyl]-4-(2,3-dimethoxybenzylideneamino)-2-2H-1,2,4-triazole-3(4H)-thione Monohydrate
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摘要 The title compound 5-[(1H-1,2,4-triazol-1-yl)methyl]-4-(2,3-dimethoxy-benzylideneamino)- 2H-1,2,4-triazole-3(4H)-thione monohydrate 4 has been synthesized by the treatment of 4-amino-3-( 1,2,4-triazol- 1-yl)- 1 H- 1,2,4-triazole-5(4H)-thione 3 with 2,3-dimethoxybenzaldehyde. It crystallizes as a monohydrate in the triclinic system, space group P1^- with a = 8.147(2), b = 10.820(2), c = 10.835(2)A, α= 73.770(6), β = 84.916(7),γ = 70.679(6)°, C14H17N7O35, Mr = 363.41, V= 865.4(2)A^3, Z= 2, Dc = 1.395 g/cm^3, F(000) = 380, μ = 0.217 mm^-1, the final R = 0.0400 and wR = 0.0975 for 3454 unique reflections. The dihedral angles made by the thione-substituted triazole ring with the other triazole ring and benzene ring are 74.92(3) and 14.81(2)°, respectively. There are some weak hydrogen bonds and C-H..π supramolecular interactions in the lattice, forming a three-dimensional network, which stabilizes the crystal structure. The title compound 5-[(1H-1,2,4-triazol-1-yl)methyl]-4-(2,3-dimethoxy-benzylideneamino)- 2H-1,2,4-triazole-3(4H)-thione monohydrate 4 has been synthesized by the treatment of 4-amino-3-( 1,2,4-triazol- 1-yl)- 1 H- 1,2,4-triazole-5(4H)-thione 3 with 2,3-dimethoxybenzaldehyde. It crystallizes as a monohydrate in the triclinic system, space group P1^- with a = 8.147(2), b = 10.820(2), c = 10.835(2)A, α= 73.770(6), β = 84.916(7),γ = 70.679(6)°, C14H17N7O35, Mr = 363.41, V= 865.4(2)A^3, Z= 2, Dc = 1.395 g/cm^3, F(000) = 380, μ = 0.217 mm^-1, the final R = 0.0400 and wR = 0.0975 for 3454 unique reflections. The dihedral angles made by the thione-substituted triazole ring with the other triazole ring and benzene ring are 74.92(3) and 14.81(2)°, respectively. There are some weak hydrogen bonds and C-H..π supramolecular interactions in the lattice, forming a three-dimensional network, which stabilizes the crystal structure.
出处 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 北大核心 2006年第6期673-676,共4页 结构化学(英文)
关键词 1 2 4-TRIAZOLE crystal structure synthesis 1,2,4-triazole, crystal structure, synthesis
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