文章摘要
王银锋,黄俭根,周光培.金属-金属氧化物-非金属型超碱金属夹心化合物Li_3OMC_5H_5(M=Be,Mg,和Ca)的非线性光学性质研究[J].井冈山大学自然版,2011,(6):33-37
金属-金属氧化物-非金属型超碱金属夹心化合物Li_3OMC_5H_5(M=Be,Mg,和Ca)的非线性光学性质研究
THEORETICAL RESEARCH OF THE NON-LINEAR OPTICS PROPERTIES OF METAL-[METAL OXIDE]-NONMETAL SANDWICH-LIKE SUPERALKALI COMPOUNDS:Li_3OMC_5H_5(M = Be,Mg,and Ca)
  
DOI:
中文关键词: 夹心化合物  超碱金属  非线性光学  原子系数依赖性
英文关键词: sandwich-like compound  superalkali  non-linear optics  atomic number dependence
基金项目:井冈山大学博士科研启动基金项目(JZ10045)
作者单位
王银锋,黄俭根,周光培 江西省配位化学重点实验室,井冈山大学化学化工学院,江西吉安343009 
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中文摘要:
      结合最近报道的金属-金属氧化物-非金属型超碱金属夹心化合物:Li3OMC5H5(M=Be、Mg和Ca),研究了它们的稳定结构的偶极矩(μ0)、极化率(α0)和静态第一超极化率(β0)。结果表明,μ0、α0和β0值具有明显的碱土金属原子系数依赖性和构型依赖性:μ0、α0和β0值随着碱土金属原子系数的增加(从M=Be到M=Mg再到M=Ca)和构型的翻转(从T型到H型)而明显地增加。μ0、α0和β0值的顺序分别是:0.367(M=Be,T型)〈0.463(M=Mg,H型)〈1.764au(M=Ca,H型);266.1(M=Be,T型)〈446.5(M=Mg,H型)〈474.7au(M=Ca,H型)和2263(M=Be,T型)〈10678(M=Mg,H型)〈14940au(M=Ca,H型)。
英文摘要:
      For the reported novel metal-[metal oxide]-nonmetal sandwich-like superalkali compounds:T-and H-shaped Li3OMC5H5(M = Be,Mg,and Ca),the dipole moments(μ0),polarizability(α0),and the static first hyperpolarizability(β0) of the more stable structure in every Li3OMC5H5 has been studied.Interestingly,alkaline earth atomic number dependence and conformation dependence for μ0,α0,and β0 are found that these μ0,α0,and β0 values increase with increasing the alkaline earth atomic number and with changing the molecular conformation from T-shaped to H-shaped,respectively.The orders of μ0,α0 and β0 are 0.367(M = Be,T-shaped) 0.463(M = Mg,H-shaped) 1.764 au(M = Ca,H-shaped),266.1(M = Be,T-shaped) 446.5(M = Mg,H-shaped) 474.7 au(M = Ca,H-shaped) and 2263(M = Be,T-shaped) 10678(M = Mg,H-shaped) 14940 au(M = Ca,H-shaped),respectively.
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