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Progress in Plasma Processing of Materials, 1999

ISBN:
1-56700-126-2 (Print)

THEORETICAL INVESTIGATIONS OF HYDROCARBON SPECIES APPEARING IN PLASMA

Jelena Radic-Peric
Faculty ofPhysical Chemistry, University ofBelgrade, Akademski trg 12-16, P.O.Box 137, 11001 Belgrade, Yugoslavia

Miljenko Peric
Faculty of Physical Chemistry - University of Belgrade - Studentski trg 12-16 P.O. Box 137 - 11001 Belgrade - Yugoslavia

Abstract

In the present paper we discuss problems by evaluation of partition functions for several hydrocarbons ( CH2, CH2-, CH2+, C2H, C2H2+) playing important roles in plasma chemistry in the laboratory and in space. Particular attention is paid to the species characterized with strong coupling of various degrees of freedom. It is shown that accurate partition functions for these species cannot be evaluated without detailed insight in the coupling mechanisms.