Collision-induced hyper-Rayleigh spectrum of octahedral molecules:: The case of SF6

被引：19

作者：

Bancewicz, T

Godet, JL

Maroulis, G

机构：

[1] Adam Mickiewicz Univ Poznan, Inst Phys, Div Nonlinear Opt, PL-61614 Poznan, Poland

[2] Univ Angers, Lab Proprietes Opt Mat & Applicat, F-49045 Angers, France

[3] Univ Patras, Dept Chem, Phys Chem Lab, GR-26500 Patras, Greece

来源：

JOURNAL OF CHEMICAL PHYSICS | 2001年 / 115卷 / 18期

关键词：

D O I：

10.1063/1.1410979

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：

A theoretical expression giving the collision-induced hyper-Rayleigh (CI HR) spectrum due to pairs of centrosymmetric molecules of octahedral symmetry has been derived. The dipole2-quadrupole hyperpolarizability light scattering mechanism of collision-induced hyperpolarizability Delta beta (LM) is discussed in detail and proposed to explain the CI HR spectrum. Numerically we have applied our analytical formulas to binary CI HR spectrum of sulfur-hexafluoride. We have normalized our SF6 CI HR spectrum to the monomer HR spectrum of CCl4. The spectral contribution due to second hyperpolarizability-permanent hexadecapole HR light scattering mechanism has been estimated and showed to be negligible. (C) 2001 American Institute of Physics.

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收藏

页码：8547 / 8551

页数：5

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