Vibrational Analysis of Methyl Acetylene

S. Sampath Krishnan, T. V. S. Pillai and S. Gnanasekaran

Department of Physics, College of Engineering, Anna University Madras-600 025 India.

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ABSTRACT:

A normal coordinate analysis of methyl acetylene (CH3CCH) belonging to XY3ZVW system is attempted using the kinematic methods suggested by Herranz and Torkington. This molecule has 5a1+5e vibrations. Force constants, mean amplitudes of vibration and Coriolis coupling constants are computed and compared with the reported values. The Coriolis sum rule is verified.

KEYWORDS:

Vibrational; Methyl; Acetylene