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Synthesis, Crystal Structure and Theoretical Calculation of 1,1',5,5'-Tetramethyl-2,2'-diphenyl-4,4'-[i-phenylene-bis(methylidynenitrilo)] di-1H-pyrazol-3(2H)-one
Authors:LIU Shan-Bin  BI Cai-Feng  FAN Yu-Hua  ZUO Jian  LIU Xin-Yu  ZHENG Yu-Ping
Institution:Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
Abstract:1,1',5,5'-Tetramethy1-2,2'-diphenyl-4,4'-i-phenylenebis(methylidynenitrilo)]di1H-pyrazol-3(2H)-one was synthesized and characterized by X-ray single-crystal diffraction analysis. The crystal crystallizes in monoclinic, space group P21/c with a = 6.1375(1), b =24.6571(4), c = 17.7487(3)(A), β = 94.781(1)°, V= 2676.62(8)(A)3, C30H28N6O2, Mr= 504.58, Z = 4,Dc = 1.252 g/cm3, F(000) = 1064, μ = 0.081 mm-1, R = 0.0463 and wR = 0.1153 (I > 2σ(Ⅰ)).Theoretical studies of the title compound were carried out by density functional theory (DFT) BLYP method, using ADF program package. It indicates that N(26) and N(41) are active sites of the title compound.
Keywords:Schiff base  crystal structure  quantum chemistry calculation
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