Rotational analysis ofA
1Π-X
1Σ+ bands of P14N and P15N: Perturbatio studies in theA
1Π state |
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Authors: | P Saraswathy G Krishnamurty |
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Institution: | (1) Spectroscopy Division, Bhabha Atomic Research Centre, 400 085 Trombay, Bombay, India |
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Abstract: | The ultraviolet band systemsA
1Π-X
1Σ+ 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 statese
3Σ−,d
3Δ andb
3Π, arising from the lower valence configurations were identified from the observed perturbations in thev′=0–4 levels of theA
1Π 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. |
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Keywords: | Rotational analysis perturbations interactions molecular constants |
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