VIBRATIONAL SPECTROSCOPY OF SULFUR-HEXAFLUORIDE ATTACHED TO HELIUM CLUSTERS

被引:277
作者
GOYAL, S
SCHUTT, DL
SCOLES, G
机构
[1] Department of Chemistry, Princeton University, Princeton
关键词
D O I
10.1103/PhysRevLett.69.933
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have built an apparatus capable of attaching a molecule to a liquid-helium cluster and obtaining its infrared spectrum. Clusters made of a few thousand atoms and containing an SF6 molecule show two absorptions located at 945.8 and 946.1 cm-1 which indicate that the guest molecule is located near the surface of the cluster. If the cluster contains two SF6 molecules, the spectrum obtained is that of a slightly perturbed SF6 dimer.
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页码:933 / 936
页数:4
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