高等学校化学学报 ›› 1998, Vol. 19 ›› Issue (7): 1144.

• 论文 • 上一篇    下一篇

3-苄氧羰基四氢噻唑-2-硫酮的晶体结构与量子化学研究

李叶芝, 郭纯孝, 胡学山, 杜莉萍, 黄化民   

  1. 吉林大学化学系, 长春, 130023
  • 收稿日期:1997-06-11 出版日期:1998-07-24 发布日期:1998-07-24
  • 通讯作者: 李叶芝.女,52岁,副教授.
  • 作者简介:李叶芝.女,52岁,副教授.
  • 基金资助:

    国家自然科学基金(批准号:29672012)及理论化学计算国家重点实验室基金资助课题.

Crystal Structure and Quantum Chemical Study of the 3-Benzyloxycarbonyl-1,3-thiazolidine-2-thione

LI Ye-Zhi, GUO Chun-Xiao, HU Xue-Shan, DU Li-Ping, HUANG Hua-Min   

  1. Department of Chemistry, Jilin University, Changchun, 130023
  • Received:1997-06-11 Online:1998-07-24 Published:1998-07-24

摘要: 苄氧羰酰氯与四氢噻唑-2-硫酮在三乙胺存在下反应生成了3-苄氧羰基四氢噻唑-2-硫酮。在甲醇中培养了标题化合物单晶,用X射线衍射法进行了结构表征。晶体结构属三斜晶系,P1间群,晶体学参数:a=0.6274(2)nm,b=0.7340(3)nm,c=1.2976(4)nm;α=100.73(3)°,β=94.53(3)°,γ=103.28(3)°,Z=2,Mμ=4.30cm-1.分子中的>C=O与>C=S基团处于C(4)-N-C(1)键的同侧,为顺式。用PM3分子轨道方法研究了该化合物的电子结构,得到电荷和键序分布以及前线轨道等性质。

关键词: 3-苄氧羰基四氢噻唑-2-硫酮, 晶体结构, 电子结构, 前线轨道

Abstract: The title compound was synthesized by reaction of benzyloxycarbonyl chloride and 1,3-thiazolidine-2-thione in the presence of Et3N. The crystal structure was determined by Xray diffraction technique. The crystal is triclinic, space group P1 with a=0.6274(2) nm, b=0.7340(3) nm, c=1.2976(4) nm; α=100.73(3)°, β=94.53(3)°, γ=103.28(3)°, V=0.5667(3) nm3, Z=2. The >C=O and >C=O groups in the molecule are located in the same sides of C(4)-N-C(1) bonds with cis configuration. The electronic structure, the distribution of calculated net charges and bond orders, and the nature of the near frontier orbital were studied by PM3 molecular orbital method.

Key words: 3-Benzyloxycarbonyl-1,3-thiazolidine-2-thione, Crystalline structure, Electronic structure, Frontier orbital

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