• Rotational analysis ofA1Π-X1Σ+ bands of P14N and P15N: Perturbatio studies in theA1Π state

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      https://www.ias.ac.in/article/fulltext/pram/029/01/0053-0077

    • Keywords

       

      Rotational analysis; perturbations; interactions; molecular constants

    • Abstract

       

      The ultraviolet band systemsA1Π-X1Σ+ of P14N and P15N were excited in an electrodeless tube containing traces of phosphorus specpure nitrogen and neon using a microwave discharge (2450 MHz). Bands of the isotopic species, P15N, were obtained using15N2 enriched to 95.5%. Rotational analyses of eleven bands of P14N and sixteen bands of P15N were carried out. Three perturbing statese3Σ,d3Δ andb3Π, arising from the lower valence configurations were identified from the observed perturbations in thev′=0–4 levels of theA1Π state. Deperturbation studies led to the determination of molecular constants of the perturbing states. Vibrational assignments of the perturbing states were made from isotope shift studies.

    • Author Affiliations

       

      P Saraswathy1 G Krishnamurty1

      1. Spectroscopy Division, Bhabha Atomic Research Centre, Trombay, Bombay - 400 085, India
    • Dates

       
  • Pramana – Journal of Physics | News

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