Stark spectroscopy with the CO laser: The ν2 fundamental bands of trans- and cis-nitrous acid,HNO2, in the 6-μm region |
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| Authors: | M Allegrini JWC Johns ARW McKellar P Pinson |
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| Institution: | Herzberg Institute of Astrophysics, National Research Council of Canada, Ottawa, Ontario, K1A 0R6, Canada |
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| Abstract: | The ν2 fundamental bands of trans- and cis-HNO2 have been studied by the technique of intracavity CO laser Stark spectroscopy. Excited-state rotational constants were determined, and the ν2-band origins were found to be 1699.760 cm?1 for the trans isomer and 1640.517 cm?1 for the cis isomer. The total dipole moments for the ground and excited (v2 = 1) vibrational states were found to be μ″ = 1.930 D and μ″ = 1.852 D for trans-HNO2, and μ″ = 1.428 D and μ″ = 1.441 D for cis-HNO2. |
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