欢迎登录材料期刊网

材料期刊网

高级检索

在230~440 nm波段,研究了复合物Mg+-S2(CH3)2的光解离光谱.此波段内的复合物光诱导产物的质谱揭示,存在着非反应猝灭产物Mg+和反应产物Mg+-SCH3.反应产物来源于Mg+离子插入S-S化学键,导致复合物解离的过程.复合物的光解离光谱由三个对应于离子Mg+(32P←32S)跃迁的谱峰构成.由量化计算中的CIS方法所获得的吸收谱理论值与实验吻合地较好.

参考文献

[1] Duncan M A.Spectroscopy of metalion complexes:gas-phase models for solvation[J].Annu Rev.Phys.Chem.,1997,48:69.
[2] Kleiber P D.Spectroscopy and chemical dynamics of weakly bound alkaline-earth metal ion-H and alkaline-earth metal ion-hydrocarbon complexes[J].Int.Rev.Phys.Chem.,1998,17:1.
[3] Fuke K,Hashimoto K,Structures I S.Spectroscopies and reactions of atomic ions with water clusters[J].Adv.Chem.Phy.,1999,110:431.
[4] Rodgers M T.Armentrout P B.Noncovalent metal-ligand bond energies as studied by threshold collision-induced dissociation[J].Mass Spectrom.Rev.,2000,19:215.
[5] Farrar J M.Size-dependent reactivity in open shell metal-ion polar solvent clusters:spectroscopic probes of electronic-vibration coupling,oxidation and ionization[J].Int.Rev.Phys.Chem.,2003,22:593.
[6] Hu Y H,Liu H C,Yang S H.Comparative studies of the photoinduced reactions in the Mg+-SCNC2H5 and Mg+-NCSC2H5 complexes[J].J.Chem.Phys.,2004,120:2759; Liu H C,Hu Y H,Yang S H.Photodissociation studies of mass-selected complex cations Mg+(N,N-dimethylformamide)1,2[J].J.Phys.Chem.A,2003,107:10026; Liu H C,Hu Y H,Yang S H,et al.Experimental and computational studies of intracomplex reactions in Mg+(primary,secondary alkylamine) complexes induced by photoexcitation of Mg+[J].Chem.Eur.J.,2005,11:6392.
[7] Hu Y H,Liu H C,Yang S H.Comparative studies of the photoinduced reactions in the Mg+-SCNC2H5 and Mg+-NCSC2H5 complexes[J].J.Chem.Phys.,2004,120:2759; Liu H C,Hu Y H,Yang S H.Photodissociation studies of mass-selected complex cations Mg+(N,N-dimethylformamide)1,2[J].J.Phys.Chem.A,2003,107:10026; Liu H C,Hu Y H,Yang S H,et al.Experimental and computational studies of intracomplex reactions in Mg+(primary,secondary alkylamine) complexes induced by photoexcitation of Mg+[J].Chem.Eur.J.,2005,11:6392.
[8] Hu Y H,Liu H C,Yang S H.Comparative studies of the photoinduced reactions in the Mg+-SCNC2H5 and Mg+-NCSC2H5 complexes[J].J.Chem.Phys.,2004,120:2759; Liu H C,Hu Y H,Yang S H.Photodissociation studies of mass-selected complex cations Mg+(N,N-dimethylformamide)1,2[J].J.Phys.Chem.A,2003,107:10026; Liu H C,Hu Y H,Yang S H,et al.Experimental and computational studies of intracomplex reactions in Mg+(primary,secondary alkylamine) complexes induced by photoexcitation of Mg+[J].Chem.Eur.J.,2005,11:6392.
[9] Yang X,et al.Photoinduced reactions in the ion-molecule complexes Mg+-XCH3 (X=F,Cl)[J].J.Phys.Chem.A,2000,104:8496; Liu H C,Song J L,Hu Y H,et al.Photodissociation of gaseousmetal ion-nucleobase complexes:Mg+-uracil and Mg+-thymine[J].Chem.Phys.Lett.,2004,389:342.
[10] Yang X,et al.Photoinduced reactions in the ion-molecule complexes Mg+-XCH3 (X=F,Cl)[J].J.Phys.Chem.A,2000,104:8496; Liu H C,Song J L,Hu Y H,et al.Photodissociation of gaseousmetal ion-nucleobase complexes:Mg+-uracil and Mg+-thymine[J].Chem.Phys.Lett.,2004,389:342.
[11] Ding L N,Young M,Kleiber P D,et al.Photofragmentation spectroscopy of magnesium dideuteride(1+)[J].J.Phys.Chem.,1993,97:2181.
[12] Ding L N,Kleiber P D,Young M,et al.Photodissociation spectroscopy of Mg2+ (1∑u2+-1∑g2+)[J].Phys.Rev.A.,1993,48:2024.
[13] Lide D R.CRC Handbook of Chemistry and Physics[M].79th ed.CRC Press,Boca Raton,Boston,Washington,DC,1998-1999.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%