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New theoretical analysis ofv 2 0→1Q-bands of ammonia

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Il Nuovo Cimento D

Summary

The analysis ofQ-band infra-red transitionsv 20→1 of ammonia has been performed by using existing data and a simple polynomial expansion up to the tenth order ofJ andK. The lines withK=3 require an additionalJ-dependent term because of theK-splitting effect. In this manner, the spectrum has been reproduced within the accuracy of the experimental data. New experimental lines withJ≦20 have been reported or assigned.

Riassunto

Si è eseguita un’analisi della bandaQ dell’ammoniaca,v 2(0→1), usando i dati sperimentali noti ed un polinomio fino al decimo ordine inJ eK. Le transizioni conK=3 richiedono un termine addizionale inJ a causa dell’effetto delK-splitting. L’accordo tra i dati sperimentali e quelli teorici è soddisfacente e nuove transizioni conJ≤20 sono riportate o assegnate.

Резюме

Используя экспериментальные данные и простое полиномиальное разлоюение вплоть до десятого порядка поJ иK, проводится анализQ зоны аммиака посредством инфракрасных переходовv 2(0→1). Пинии cK=3 требуют дополнительного члена, зависящего отJ вследствие эффектаK-расщепления. Полученный спектр согласуется с экспериментальными результатами. Приводятся новые зкспериментальные линии сJ≤20.

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Marchetti, S., Dilonardo, M. New theoretical analysis ofv 2 0→1Q-bands of ammonia. Il Nuovo Cimento D 3, 379–388 (1984). https://doi.org/10.1007/BF02457466

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  • DOI: https://doi.org/10.1007/BF02457466

PACS. 33.10

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