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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >Single crystal structure, spectroscopic (FT-IR, FT-Raman, 1H NMR, ~(13)C NMR) studies, physico-chemical properties and theoretical calculations of 1-(4-chlorophenyl)-3-(4-nitrophenyl)triazene
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Single crystal structure, spectroscopic (FT-IR, FT-Raman, 1H NMR, ~(13)C NMR) studies, physico-chemical properties and theoretical calculations of 1-(4-chlorophenyl)-3-(4-nitrophenyl)triazene

机译:1-(4-氯苯基)-3-(4-硝基苯基)三氮烯的单晶结构,光谱学(FT-IR,FT-Raman,1H NMR,〜(13)C NMR)研究,理化性质和理论计算

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摘要

In this paper, we will report a combined experimental and theoretical investigation of the molecular structure and spectroscopic parameteres (FT-IR, FT-Raman, ~1H NMR, ~(13)C NMR) of 1-(4-chlorophenyl)-3-(4- nitrophenyl)triazene, CNT. The optimized geometry, harmonic vibrational frequencies, infrared intensities and Raman scattering activities were obtained at the B3LYP/6-311++G(d,p) level of theory and thermodynamic functions were calculated at the same level. A detailed interpretation of the Infrared, Raman and NMR spectra of the compound was reported as well. Analysis of experimental NMR chemical shifts was supported by quantum chemical calculations and HOSE code fragment based prediction tool (ACD/NMR). The theoretical results showed an excellent agreement with the experimental values. The physico-chemical properties (such as log P, hydrophobicity, ...) were also calculated using three commercially available programs.
机译:在本文中,我们将报告1-(4-氯苯基)-3的分子结构和光谱参数(FT-IR,FT-Raman,〜1H NMR,〜(13)C NMR)的组合实验和理论研究-(4-硝基苯基)三氮烯,CNT。在B3LYP / 6-311 ++ G(d,p)的理论水平上获得了优化的几何形状,谐波振动频率,红外强度和拉曼散射活性,并在相同的水平上计算了热力学函数。还报道了该化合物的红外光谱,拉曼光谱和NMR光谱的详细解释。量子化学计算和基于HOSE代码片段的预测工具(ACD / NMR)支持对实验NMR化学位移的分析。理论结果与实验值吻合良好。还使用三个市售程序计算了理化性质(例如log P,疏水性等)。

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