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Rotational analysis of some bands of C1 Σ + u -X1 Σ + g system of P2 molecule involving lowν′,ν″ values

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Abstract

Ten ultraviolet bands of the C1 Σ + u -X1 Σ + g system of P2 involving lowv′ andv″ values have been photographed at dispersion of 0·38 and 0·56 Å/mm. and analysed for their rotational structure. While four of these bands were analysed earlier, six of them,viz., 0–10, 1–12, 2–7, 2–14, 4–8 and 6–9 have been analysed for the first time during the present studies. The rotational constants, B v S with lowv″ quantum numbers are obtained from which value of B ″ θ has been derived. The value of B ″ θ is found to be in agreement with the value obtained by Douglas and Rao from their study of A1 Π g-X1 Σ + g bands of P2.

Earlier findings on the perturbation ofν′=2 level of the C1 Σ + u state have been confirmed from the analysis of the 2–7, 2–14 and 2–15 bands. Theν 00 values of the bands show large deviations from the expected values.

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Authors and Affiliations

  1. Spectroscopy Division, Bhabha Atomic Research Centre, Modular Laboratories, Trombay, Bombay-74

    M. N. Dixit

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  1. M. N. Dixit
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Communicated by Dr. N. A. Narasimham,f.a.sc.

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Dixit, M.N. Rotational analysis of some bands of C1 Σ + u -X1 Σ + g system of P2 molecule involving lowν′,ν″ values. Proc. Indian Acad. Sci. 66, 325–341 (1967). https://doi.org/10.1007/BF03049341

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  • DOI: https://doi.org/10.1007/BF03049341

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