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HNO二聚体蓝移氢键的理论研究

刘颖 刘文清 李海洋 杨(顒) 程爽

原子与分子物理学报2006,Vol.23Issue(6):981-989,9.
原子与分子物理学报2006,Vol.23Issue(6):981-989,9.

HNO二聚体蓝移氢键的理论研究

Theoretical study of hydrogen bond blue-shift in the HNO dimer

刘颖 1刘文清 2李海洋 1杨(顒) 1程爽3

作者信息

  • 1. 中国科学院安徽光学精密机械研究所环境光学与技术重点实验室,合肥,230031
  • 2. 中国科学院研究生院,北京,100039
  • 3. 中国科学院大连化学物理研究所,大连,116023
  • 折叠

摘要

Abstract

Ab initio molecular orbital and density functional theory (DFT) in conjunction with different basis sets calculations were performed to study the N-H...O blue-shifted hydrogen bond in the HNO dimer. The geometric structures, vibrational frequencies and interaction energies were calculated by both standard and CP-corrected methods. The topological and NBO analysis were investigated the origin of N-H bond blue shift. From the NBO analysis, the decrease in the σ*(N-H) is due to the significant electron density redistribution effect. The electron density redistribution effect, rehybridizative effect and the structure re-organization are contributed to the large blue shift of the N-H stretching frequency.

关键词

蓝移氢键/原子在分子中拓扑学分析/自然键轨道分析/电子密度重排效应/结构重组

Key words

Blue-shifted hydrogen bond/atoms in molecules topological analysis/natural bond orbital analysis/electron density redistribution/structure reorganization

分类

化学化工

引用本文复制引用

刘颖,刘文清,李海洋,杨(顒),程爽..HNO二聚体蓝移氢键的理论研究[J].原子与分子物理学报,2006,23(6):981-989,9.

基金项目

中国科学院合肥物质科学研究院计算中心支持项目(0330405002) (0330405002)

原子与分子物理学报

OA北大核心CSCDCSTPCD

1000-0364

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