Infrared photodissociation spectroscopy and density-functional calculations of protonated methanol cluster ions: Solvation structures of an excess proton.
Infrared photodissociation spectroscopy and density-functional calculations of protonated methanol cluster ions: Solvation structures of an excess proton.
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质子化甲醇簇离子的红外光解离光谱和密度泛函计算:过量质子的溶剂化结构。
DOI:
10.1063/1.2963499
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发表时间:
2008
期刊:
影响因子:
--
通讯作者:
K. Tsukiyama
中科院分区:
文献类型:
--
作者:
K. Tono;J. Kuo;M. Tada;Koudai Fukazawa;N. Fukushima;C. Kasai;K. Tsukiyama
Solvation structures of an excess proton in protonated methanol cluster ions, H(+)(CH(3)OH)(n) (n=5-8), were investigated by photodissociation spectroscopy in the middle infrared region (900-2300 cm(-1)) and by using density-functional theory. This work indicates that the excess proton is delocalized between two methanol molecules. Spectral features observed in the range 1400-1800 cm(-1) are attributed to vibrational modes involving collective motion of the shared proton and the two ligand molecules. At n=6-8, broad spectral features in the region above 1800 cm(-1) suggest coexistence of isomers in which the excess proton and a methanol molecule are tightly bound to form an ion core, CH(3)OH(2) (+).
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作者:
Miyazaki, M;Fujii, A;Mikami, N
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DOI:
10.1021/jp0463464
发表时间:
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The journal of physical chemistry. A
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J.Phys.Chem.A 111
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