高等学校化学学报 ›› 1998, Vol. 19 ›› Issue (12): 1997.

• 论文 • 上一篇    下一篇

超价化合物NLi4N+和OLi4N+电子结构和性质

郑祥娥, 王志中   

  1. 吉林大学理论化学研究所, 理论化学计算国家重点实验室, 长春, 130023
  • 收稿日期:1997-11-05 出版日期:1998-12-24 发布日期:1998-12-24
  • 通讯作者: 王志中
  • 作者简介:郑祥娥,女,25 岁,博士研究生

Electronic Structure and Properties of Hypervalent Compounds OLi4N+ and NLi4N+

ZHENG Xiang-E, WANG Zhi-Zhong   

  1. Institute of Theoretical Chemistry, State Key of Laboratory of Theorietical and Computational Chemistry, Jilin University, Changchun, 130023
  • Received:1997-11-05 Online:1998-12-24 Published:1998-12-24

摘要: 以6-3lG·基组利用HF、MP2和DFT方法优化了超价化合物NLi4N+和OL4N+的几何构型.研究结果表明,MP2和DFT法计算出的OLi4分子解离出Li和Li2的反应能与已有的实验值吻合.对于NLi4分子,得到其解离出Li和Li2的反应能分别为191.78和515.37kJ/mol(MP2值).并预测了OLi4N+和NLi4N+分子的基振动频率.

关键词: 超价化合物, NLi4N+, OLi4N+, 从头计算

Abstract: The geometries of hypervalent compounds OLi4N+ and NLi4N+ were optimized by HF, MP2 and DFTmethods with 6-31G* basis set. The results show that OLi4N+ and NLi4N+ are more stable with respect to losses of Li2 and Li. The reliable dissociation energies were obtained. For NLi4 the dissociation energies of loss Li and Li2 are predicted as 191.78 and 515.37 kJ/mol, respectively.

Key words: Hypervalent compounds, OLi4N+, NLiN+, Ab initio

TrendMD: