The asymmetric cage structure of (H2O)7 from a combined spectroscopic and computational study

被引:112
作者
Brudermann, J
Melzer, M
Buck, U
Kazimirski, JK
Sadlej, J
Bush, V
机构
[1] Max Planck Inst Stromungsforsch, D-37073 Gottingen, Germany
[2] Ind Chem Res Inst, PL-01793 Warsaw, Poland
[3] Univ Warsaw, Dept Chem, PL-02093 Warsaw, Poland
[4] Hebrew Univ Jerusalem, Fritz Haber Inst Mol Dynam, IL-91904 Jerusalem, Israel
关键词
D O I
10.1063/1.479008
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The vibrational OH stretch spectra have been measured for the size-selected pure water clusters (H2O)(7). In contrast to (H2O)(n), n = 8-10 clusters, which exhibit three distinct bands corresponding to three distinct types of OH bonds, the heptamer spectrum displays seven bands spanning the range from 2935 to 3720 cm(-1). Calculations suggest that the spectra originate from two isomers, derived from the S-4 octamer cube by removal of either one double donor or one double acceptor water molecule. (C) 1999 American Institute of Physics. [S0021-9606(99)01622-0].
引用
收藏
页码:10649 / 10652
页数:4
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