Intermolecular dynamics in liquids studied by a third order nonlinear spectroscopy

Abstract

Intermolecular dynamics, particularly intermolecular vibrational dynamics, in simple aprotic molecular liquids including both nonaromatic and aromatic molecular liquids measured using femtosecond Raman-induced Kerr effect spectroscopy is discussed. A correlation between the first moment of the intermolecular vibrational band and the value of the static physical properties, the square root of surface tension divided by liquid density, is shown. The data of the aprotic molecular liquids are also compared to that of room temperature ionic liquids.