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Journal of Structural Chemistry

2009 year, number 4

LIBRATION DYNAMICS OF BENZONITRILE AND ortho-DICHLOROBENZENE MOLECULES IN LIQUIDS

V. G. Nikiforov, V. S. Lobkov
Keywords: intermolecular interactions, libration of molecules, femtosecond spectroscopy
Pages: 817-822

Abstract

This paper presents the results of our study of molecular librations in liquid ortho-dichlorobenzene (C6H4Cl2) and benzonitrile (C6H5CN) at room temperature. We used femtosecond polarization with recording of the optical Kerr effect (OKE). To analyze the libration response, we divided the total OKE signal into the constituent vibrational and rotational responses. Modeling the libration response, we determined the form of the distribution function of libration frequencies and performed qualitative analysis of the peculiarities of the local potentials of molecules.