期刊文献+

水二聚体间电荷转移与分子轨道研究

A Study on Charge Transfer and Molecular Orbital in Water Dimer
下载PDF
导出
摘要 水二聚体间氢键作用受电荷转移的影响,为了研究电荷转移程度与氧氧间距离的关系,文章应用从头分子动力学方法(CPMD)并结合限定性动力学方法对水二聚体在330(±20)K时不同距离的原子电荷分布和分子轨道进行了系统计算。计算结果表明,电荷转移程度随着距离的增加而显著减弱。 The hydrogen bonds in water dimer are influenced by charge transfer,and in order to study the relationship between the degree of charge transfer and the distance between oxygens, car-parrinello molecular dynamics (CPMD)and limiting dynamics are applied to conduct a sys-tematic study of the atomic charge distribution and molecular orbitals of water dimer at 330 (± 20)K and different distances.The results show that the charge transfer significantly weakens with the increase of the oxygen-oxygen distance.
作者 潘章
机构地区 唐山学院教务处
出处 《唐山学院学报》 2014年第6期39-41,共3页 Journal of Tangshan University
基金 国家自然科学基金项目(10975044) 唐山市科技局项目(131302111b) 唐山学院2013年度科研项目(13005B)
关键词 水二聚体 从头分子动力学 分子轨道 电荷转移 water dimer car-parrinello molecular dynamics molecular orbital charge transfer
  • 相关文献

参考文献11

  • 1Morokuma K.Why do molecules interact?the origin of electron donor-acceptor complexes,hydrogen bonding and proton affinity[J].Acc.Chem.Res,1977,10(8):294-300.
  • 2Steiner T.Hydrogen bond in solid state[J].Angewandte Chemie International Edition,2002,41(1):48-76.
  • 3Car R,Parrinello M.Unified approach for molecular dynamics and theory[J].Phys Rev Lett,1985,55(22):2471-2474.
  • 4Tuckerman M E,Parrinello M.Integrating the CarParrinello equations.I.Basic integration techniques[J].J Chem Phys,1994,101(2):1302-1315.
  • 5Grimme S.Density functional theory with London dispersion corrections[J].WIREs Comput Mol Sci,2011,1(2):211-228.
  • 6Zimmerli U,Parrinello M,Koumoutsakos P.Dispersion corrections to density functionals for water aromatic interactions[J].J Chem Phys,2004,120(6):2693-2699.
  • 7Kumar R,Schmidt J R,Skinner L.Hydrogen bonding definitions and dynamics in liquid water[J].J Chem Phys,2007,126(204107):1-12.
  • 8Lee H S,Tuckerman M E.Structure of liquid water at ambient temperature from ab initio molecular dynamics performed in the complete basis set limit[J].J.Chem.Phys,2006,125(154507):1-14.
  • 9Martin F,Zipse H.Charge distribution in the water molecule-a comparison of methods[J].J.Comput.Chem,2005,26(1):97-105.
  • 10Tachikawa H.Electron capture dynamics of the water dimer:a direct ab initio dynamics study[J].Chem.Phys.Lett,2003,370(1):188-196.

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部