首页> 外文期刊>Crystallography reports >X-ray and DFT calculated structures of 2-(1H-imidazol-1-yl)-1-(2-naphthyl)ethan-1-one N-phenylthiosemicarbazone and 2-(1H-imidazol-1-yl)-1-(2-naphthyl)ethan-1-one N-(4-chlorophenyl)thiosemicarbazone
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X-ray and DFT calculated structures of 2-(1H-imidazol-1-yl)-1-(2-naphthyl)ethan-1-one N-phenylthiosemicarbazone and 2-(1H-imidazol-1-yl)-1-(2-naphthyl)ethan-1-one N-(4-chlorophenyl)thiosemicarbazone

机译:X射线和DFT计算的2-(1H-咪唑-1-基)-1-(2-萘基)乙-1-酮N-苯基硫代半脲和2-(1H-咪唑-1-基)-1-的结构(2-萘基)乙-1-酮N-(4-氯苯基)硫代半脲

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摘要

Crystal and molecular structures of two new compounds 2-(1H-imidazol-1-yl)-1-(2-naphthyl)ethan-1-one N-phenylthiosemicarbazone, C22H19N5S, (I) and 2-(1H-imidazol-1-yl)-1-(2-naphthyl)ethan-1-one N-(4-chlorophenyl)thiosemicarbazone, C22H18ClN5S, (II) have been determined by single-crystal X-ray diffraction. Molecular geometries from X-ray experiment of I and II have been compared with those calculated using the Density Functional Theory (DFT) with B3LYP/6-31G(d,p) basis set. Both compounds crystallize in the monoclinic space group P2(1)/c with Z = 4: a = 13.2880(5), 14.2648(3) , b = 9.4122(2), 9.3892(3) , c = 15.6341(6), 15.6268(4) , beta = 101.779(3)A degrees, 104.926(2)A degrees, for I and II, respectively. An extensive two-dimensional network of N-Ha <-N hydrogen bonds and pi-ring interactions are responsible for crystal stabilization in both structures.
机译:两种新化合物2-(1H-咪唑-1-基)-1-(2-萘基)乙-1-酮N-苯基硫代半脲C(2)和2-(1H-咪唑-1)的晶体和分子结构通过单晶X射线衍射测定了-基)-1-(2-萘基)乙-1-酮N-(4-氯苯基)硫代半碳酸盐C22H18ClN5S(II)。将I和II的X射线实验的分子几何与使用B3LYP / 6-31G(d,p)基集的密度泛函理论(DFT)计算的分子几何进行了比较。两种化合物均在Z = 4的单斜空间群P2(1)/ c中结晶:a = 13.2880(5),14.2648(3),b = 9.4122(2),9.3892(3),c = 15.6341(6), I和II分别为15.6268(4),β= 101.779(3)A度,104.926(2)A度。 N-Ha <-N氢键和pi环相互作用的广泛二维网络负责两种结构中的晶体稳定。

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