FTIR spectrum of benzene in a supersonic expansion |
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| Authors: | Deanne L Snavely Valerie A Walters Steven D Colson Kenneth B Wiberg |
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| Institution: | Sterling Chemistry Laboratory, Yale Universty, New Haven, Connecticut 06511, USA |
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| Abstract: | The 700 and 3050 cm?1 region of benzene seeded in argon is studied using Fourier-transform infrared absorption spectroscopy. Analysis of the sequence band structure in the 700 cm?1 region gave new anharmonic constants and values of Trot (79 ± 15 K) and Tvib (/2~160 K) which indicate a disequilibrium between the rotational and vibrational degrees of freedom. A band contour analysis of the 3050 cm?1 Fermi triad is used to obtain new values of the Coriolis coupling constants and band origins. |
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