Chemoselective synthesis, X-ray characterization and DFT studies of new organic single crystal: S-(2-aminophenyl) cyclohexylcarbamothioate 机翻标题: 暂无翻译,请尝试点击翻译按钮。

2020-02-10

Chemoselective manner of 2-aminothiophenol reaction with cyclohexyl isocyanate under the different conditions was investigated. The product, S-(2-aminophenyl) cyclohexylcarbamothioate, was characterized by H-1, C-13 NMR, FT-IR, HRMS and single crystal X-ray diffraction analysis. Single crystal of the molecular structure, C13H18N2OS, crystallizes in monoclinic form, space group P 21/n with a = 6.1808(4) angstrom, b = 24.8308(12) angstrom, c = 9.7080(8) angstrom, beta = 103.674(6)degrees, V = 1303.73(13) angstrom(3), F (000) = 36.The structure exhibits disorder over the phenyl ring, with site occupancies of 0.913(4) and 0.087(4) for the major and minor components, respectively. The conformation is stabilized by intra- and intermolecular N-H center dot center dot center dot O, N-H center dot center dot center dot N, and C-H center dot center dot center dot S hydrogen bonds into running along the a-axis. The title compound has been optimized by DFT/B3LYP/6-31 + G (d, p) basis set, and compared with experimental findings. Natural bond orbital charges of probable intramolecular hydrogen bonds have been calculated to compare with experimental data, and frontier orbital analysis and molecular electrostatic potential (MEP) analysis were also carried out. (C) 2019 Elsevier B.V. All rights reserved.

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