Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (5): 897.doi:

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Experimental and Theoretical Studies on the Structures, IR Spectrum and Inter-molecular Interaction of p-Methoxybenzaldoxime

LIN Xian-Jie1, XU Wei-Ren 1,2, WANG Jian-Wu1, LIU Cheng-Bu 1*   

  1. 1. College of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;
    2. Tianjin Institute of Pharmaceutical Research, Tianjin 300193, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-05-10 Published:2006-05-10
  • Contact: LIU Cheng-Bu

Abstract:

The melting point, crystal structure, IR spectrum and inter-molecular interaction of Z and E p-methoxybenzaldoxime were studied by experiment and ab initio method. There exists obvious difference in physical properties including melting point, crystal structure and IR spectrum between Z and E p-methoxybenzaldoxime. The double zigzag chain and the repeated unit, dimmer, were found in Z and E p-methoxybenzaldoxime crystal respectively. It is shown that the type of crystal, the intensity of H-bond and the distribution of charge are the essential factors resulting in the abnormality of the melting point and IR spectrum of p-methoxybenzaldoxime.

Key words: p-Methoxybenzaldoxime; Inter-molecular interaction; Experiment; Ab initio method

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