The vapour phase Raman spectra, Raman band contour analyses, Coriolis constants, force constants, and values for thermodynamic functions of the symmetric top molecules POF3, POCl3, VOF3, VOCl3, PSCl3and FClO3

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Abstract
The vapour-phase Raman spectra of the molecules POF3, POCl3, VOF3, VOCl3, PSCl3 and FClO3 have been recorded in sealed tubes at 22–230°C, and accurate values for the fundamentals are reported. The Raman band contours of the e species fundamentals have been analysed to yield Coriolis constants from which e species force constants have been calculated. Raman and infra-red-based Coriolis constants are compared. Values for various thermodynamic functions of the molecules have been evaluated from the new values for the fundamentals, and from the most recent structural parameters.