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Crystal structure of 5-benzene sulphonamido 3-phenyl 1,2,4-triazole

Published/Copyright: August 25, 2010

Abstract

C14H12N4O2S, monoclinic, P21/n, a = 14.55(3), b = 5.87(1), c = 16.42(3) Å, β = 99.6(3)°, V = 1382.8 Å3,Z = 4,Dm = 1.46 (flotation), Dx = 1.44 g cm−3, μ(Cu) = 21.5 cm−1, m.p. = 267°C. The structure was solved by Patterson and Fourier syntheses, and refined by least-squares calculations to R = 0.108 for 2196 visually estimated reflections. There is evidence of percolation of aromaticity of the triazole group to the side groups. The sulphonamide group is arranged in a slightly distorted tetrahedral configuration with the two oxygen atoms in the cis form.

Published Online: 2010-8-25
Published in Print: 1986-10-2

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