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ANALYSIS OF THE $\nu_{9}$ AND $\nu_{10}$ BANDS OF ALLENE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/16775

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Title: ANALYSIS OF THE $\nu_{9}$ AND $\nu_{10}$ BANDS OF ALLENE
Creators: Chazelas, J.; Pliva, J.; Valentin, A.; Henry, L.
Issue Date: 1984
Abstract: The perpendicular infrared bands of the degenerate vibrations $\nu_{9}$ and $\nu_{10}$ of species E of allene with band origins near 999 and $841 cm^{-1}$ respectively were measured on the high resolution Fourier transform spectrometer of the Laboratoire de Spectronomie Mol\'{e}culaire with an apparatus function of $0.002 cm^{-1}$. A total of 21 subbands with $K\triangle K$ ranging from -6 to +14 have been assigned in the $\nu_{9}$ band and 26 subbands with $K\triangle K$ from -10 to +15 have been assigned in the $\nu_{10}$ band. In addition to the $J_{z}$ - Coriolis and anharmonic interactions between the $\nu_{9}$ and $\nu_{10}$ vibrations, these two bands exhibit many perturbations caused by interactions with the $\nu_{3}$ and $\nu_{4}$ vibrations as well as with the overtones $3\nu^{1}_{11}, 3\nu^{3}_{11}$, with the combination $\nu_{11} + \nu_{11}$, and with other states. A Hamiltonian matrix which includes five perturbing states and their interactions with the $\nu_{9}$ and $\nu_{10}$ upper states has been used for the treatment of the observed lines with the aid of the computer program system SYMTOP designed for the analysis of symmetric top bands with interacting upper states..
URI: http://hdl.handle.net/1811/16775
Other Identifiers: 1984-TB-4
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