Ethane spectrum between 1940 and 2152 cm−1: Ground state parameters |
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Authors: | KF Lin WE Blass NM Gailar |
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Institution: | Molecular Spectroscopy Laboratory, Department of Physics and Astronomy, The University of Tennessee, Knoxville, Tennessee 37916 USA |
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Abstract: | The absorption spectrum of ethane was recorded between 1940 and 2152 cm?1 at a resolution of 0.025 cm?1. Ground state parameters were determined from the principal band in this region, ν9 + ν12(Eu): B0 = 0.6630353 cm?1, D0J = 1.0406 × 10?6 cm?1, D0JK = 2.575 × 10?6 cm?1 (standard errors are 7, 8, and 13, respectively, in the last digits quoted). The quoted values are from the analyses of 269 ground state combination differences, the standard deviation of the least-squares analysis was 0.0032 cm?1. |
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