ANALYSIS OF THE K-STRUCTURE OF THE TORSIONAL FUNDAMENTAL OF ACETALDEHYDE

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1976

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Ohio State University

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Complicated subband patterns observed in off-central regions of the torsional fundamental (measured with $0.3 cm^{-1}$ spectral resolution) were analyzed in the framework of a semirigid symmetric rotor model. The main results, which will be discussed in comparison with model calculations, are a unique K-assignment over a considerable region of the band and estimates for the frequencies of the pure torsional transitions $0(A)\rightarrow 1(A) (143.63 cm_{-1})$ and $0(E)\rightarrow 1(E) (142.10 cm^{-1})$.

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$^{1}$ A. W. Mantz, Sally A. Shafer, and K. Narahari Rao, Applied Optics 15, 599 (1976).
Author Institution: Laboratory for Physical Chemistry, ETH Universit\""{a}tstr; Institut f\""{u}r Physical Chemie der, Universit\""{a}t Kiel

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