Infrared spectra of size selected Cl--(D2)n and F--(D2)n anion clusters

被引：13
|
作者：
Wild, DA [1 ]
Weisser, PS [1 ]
Loh, ZM [1 ]
Bieske, EJ [1 ]
机构：
[1] Univ Melbourne, Sch Chem, Parkville, Vic 3010, Australia
来源：
JOURNAL OF PHYSICAL CHEMISTRY A | 2002年 / 106卷 / 06期
关键词：
D O I：
10.1021/jp0129075
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：
Infrared vibrational predissociation spectra are reported for size-selected F--(D-2)(n) (n = 1-6) and Cl--(D-2)(n) (n = 1-3) clusters in the D-D stretch region. The F--(D-2)(n) and Cl--(D-2)(n) spectra each feature a single band shifted to lower energy from the bare D-2 stretching frequency that moves to higher frequency with increasing cluster size. Vibrational band shifts are substantially larger for F--(D-2)(n), than for Cl--(D-2)(n), reflecting the stronger F-- - -D-2 interaction. The spectra are compatible with the F--(D-2)(n) and Cl--(D-2)(n) clusters containing roughly equivalent D-2 ligands that are attached end-on to a central halide anion core. The unobserved D-D stretch band of the F--D-2 complex is predicted to lie at similar to2400 cm(-1).
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页码：906 / 910
页数：5
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