High-resolution re-investigation of the v2 and v4 bending bands of phosphine (PH3); Journal of Quantitative Spectroscopy and Radiative Transfer; Vol. 272

High-resolution re-investigation of the v2 and v4 bending bands of phosphine (PH3); Journal of Quantitative Spectroscopy and Radiative Transfer; Vol. 272

Библиографические подробности
Источник:	Journal of Quantitative Spectroscopy and Radiative Transfer Vol. 272.— 2021.— [107795, 10 p.]
Автор-организация:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Другие авторы:	Ulenekov (Ulenikov) O. N. Oleg Nikolaevich, Bekhtereva E. S. Elena Sergeevna, Gromova O. V. Olga Vasilievna, Fomchenko A. L. Anna Leonidovna, Sydow Ch. Christian, Bauerekker (Bauerekker) Z. Kh. Zigurd Khermann
Примечания:	Title screen High resolution infrared spectra of PH[3] were recorded with a Bruker IFS125 HR Fourier transform infrared spectrometer at an optical resolution of 0.0025{-1} cm and analyzed in the region of 600-1700 cm{-1} where the v2/v4 bending dyad is located. The number of 2207 and 4564 transitions (in general, 3099 "allowed" and 3672 "forbidden", which is about 2.5 times higher in comparison with the preceding studies) with Jmax=29, Kmax=28 (Jmax= Kmax=24 in the earlier studies) were assigned to these two bands. Ground state parameters were improved on the basis of MW and IR data, known from the literature, and new IR data from the present study. The A1/A2 splittings for the states with the quantum number K=13 were experimentally recorded and theoretically explained for the first time. The weighted fit of 1284 upper energy values obtained from the experimentally recorded transitions was made with a Hamiltonian which takes into account resonance interaction between the (0100, A1) and (0001, E) vibrational states. As the result, a set of 86 fitted parameters was obtained which reproduces the initial 1284 upper “experimental”ro-vibrational energy values with the drms=9.8•10{-5} cm{-1}. Режим доступа: по договору с организацией-держателем ресурса
Язык:	английский
Опубликовано:	2021
Предметы:	электронный ресурс труды учёных ТПУ high-resolution spectra of PH3 resonance interactions in symmetric top molecules determination of spectroscopic parameters спектры высокого разрешения резонансные взаимодействия спектроскопические параметры
Online-ссылка:	https://doi.org/10.1016/j.jqsrt.2021.107795
Формат:	Электронный ресурс Статья
Запись в KOHA:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=665332

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