Spectral characteristics of water clusters upon interaction with oxygen molecules and chlorine ions

被引:3
|
作者
Galashev, A. E. [1 ]
Rakhmanova, O. R. [1 ]
Novrusova, O. A. [1 ]
Galasheva, A. A. [1 ]
机构
[1] Russian Acad Sci, Inst Ind Ecol, Ural Div, Ekaterinburg 620219, Russia
基金
俄罗斯基础研究基金会;
关键词
CENTRAL-FORCE MODEL; DYNAMICS SIMULATIONS; LIQUID WATER; COMPUTER-SIMULATIONS; POTENTIALS; ADSORPTION; PT(111); VAPOR; O-2;
D O I
10.1134/S1061933X09060039
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 interactions of a 6O(2) + (H(2)O)(50) system with two, four, or six Cl(-) ions are studied by the molecular dynamics method. The integral intensity of IR and Raman spectra decreases with an increase in the number of Cl(-) ions surrounding the system. The values of real and imaginary parts of dielectric permittivity increase with the rise in the frequency reaching maxima in the 850 a parts per thousand currency sign omega a parts per thousand currency sign 950 cm(-1). As a result of interactions between ions and the formed (O(2))(6) (H(2)O)(50) cluster, the pattern of the reflection spectrum of IR radiation becomes smoother. The interaction between 6O(2) + (H(2)O)(50) system and Cl(-) ions leads to the substantial increase in the power of emitted radiation. With time, Cl(-) ions gradually leave the interaction zone with the system. Maximum residence time of the last ion near the system boundary does not exceed 3 ps. Cl(-) ions located closer to O(2) molecules do not penetrate into the depth of an (O(2))(6) (H(2)O)(50) cluster.
引用
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页码:745 / 753
页数:9
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