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Diode Laser Spectroscopy in the 9.8-μm ν14Band of Benzene

✍ Scribed by J. Waschull; Y. Heiner; B. Sumpf; H.-D. Kronfeldt

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
256 KB
Volume
184
Category
Article
ISSN
0022-2852

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✦ Synopsis

High-resolution diode laser spectroscopy was applied to measure absolute line intensities in the 9.8-mm n 14 band of benzene 12 C 6 H 6 . A new data treatment had to be developed to derive single line parameters from the strongly overlapped lines. This procedure includes a self-deconvolution and an adapted fit technique for complete pressure series. The obtained data set contains absolute line intensities of 73 lines between 1017.31 and 1045.85 cm 01 with 9 £ JЉ £ 66 and 1 £ KЉ £ 66. These results for individual lines formed the basis for the calculation of the vibrational bandstrength S 0 V of the n 14 band considering l-type resonance. In contrast to previous values derived from bandshape integration the deduced value of S 0 V Å (17.0 { 1.4) cm 02 /atm at 295 K is not affected by difference band lines.

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