Исследование спектров поглощения изотопологов NNO в области 4200–6500 см–1

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Спектры поглощения семи изотопологов NNO (14N14N16O, 15N14N16O, 14N15N16O, 14N14N18O, 15N15N16O, 15N15N18O и 15N14N18O) исследованы в области 4200–6500 см–1 с помощью фурье-спектрометра Bruker FS-125M, используя образец, состоящий из NO (80%15N18O и 20%14N16O), а также небольшого количества изотопологов N2O. Погрешность измерения центров линий составила 0.0003 см–1, погрешность измерения интенсивностей линий 5–15%. Спектроскопические постоянные 27 полос определены при фитинге параметров контура линии к набору измеренных данных. Отмечено, что среднеквадратичное отклонение измеренных центров линий от рассчитанных (0.0005 см–1–0.0027 см–1) было близко к экспериментальной погрешности.

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作者简介

Л. Синица

Институт оптики атмосферы им. В. Е. Зуева СО РАН

编辑信件的主要联系方式.
Email: sln@iao.ru
俄罗斯联邦, Томск

В. Сердюков

Институт оптики атмосферы им. В. Е. Зуева СО РАН

Email: serd49@mail.ru
俄罗斯联邦, Томск

Н. Емельянов

Институт оптики атмосферы им. В. Е. Зуева СО РАН

Email: nikita.emelyanov.92@mail.ru
俄罗斯联邦, Томск

参考

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  2. Toth R.A. Linelist of N2O Parameters from 500 to 7500 cm–1 // JPL online. 2004.
  3. Tashkun S.A., Perevalov V.I., Karlovets E.V. et al. // J. of Quantitative Spectroscopy and Radiative Transfer. 2016. Т. 176. С. 62. https://doi.org/10.1016/j.jqsrt.2016.02.020
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  6. Griggs Jr J.L., Rao K.N., Jones L.H., Potter R.M. // Ibid.1967. Т. 22. № . 1–4. С. 383. https://doi.org/10.1016/0022-2852(67)90185-3
  7. Mantz A.W., Rao K.N., Jones L.H., Potter R.M. // Ibid.1969. Т. 30. № . 1–3. С. 513. https://doi.org/10.1016/0022-2852(69)90283-5
  8. Hu C.L., Perevalov V.I., Cheng C.F. et al. // The J. of Physical Chemistry Letters. 2020. Т. 11. № . 18. С. 7843. https://doi.org/10.1021/acs.jpclett.0c02136
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  10. Tashkun S.A., Perevalov V.I., Liu A.W., Hu S.M. // Ibid. 2016. Т. 175. С. 1. https://doi.org/10.1016/j.jqsrt.2016.01.038
  11. Sinitsa L.N., Serdyukov V.I., Perevalov V.I. // Molecular Physics. 2022. Т. 120. № . 15–16. С. 2078744. https://doi.org/10.1080/00268976.2022.2078744
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2. Fig. 1. Composition of the recorded spectrum in the 4400-4800cm-1 region. The 2ν3 bands of 14N216O (446), 15N218O (558), 15N216O (556), 14N15N16O (456) and 15N14N18O (548) are indicated

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3. Fig. 2. Difference between the measured centres of lines 448 in this work (black squares) and the data of [3] (red circles) from the calculated values

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4. Fig. 3. Difference between the measured centres of the ν1 + 2ν3 isotopologue 446 band lines in this work (black squares) and the measurements of [2] (red circles) from the calculated values

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5. Fig. 4. Difference between the measured band line centres ν1 + 2ν2 + ν3 of the 15N15N18O isotopologue in this work (black squares) and the measurements of [7] (red circles) from the calculated values

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6. Fig. 5. Difference between the measured centres of the 2ν3 band lines of the 14N14N18O isotopologue in this work (black squares) and the measurements of [3] (red circles) from the calculated values

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7. Fig. 6. Difference between the measured centres of the 2ν3 band lines of the 14N15N16O isotopologue in this work (black squares) and the measurements of [2] (red circles) from the calculated values

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8. Fig. 7. Difference between the measured centres of the 2ν3 band lines of the 15N14N16O isotopologue in this work (black squares) and the measurements of [2] (red circles) from the calculated values

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9. Fig. 8. Difference of the measured centres of the 2ν3 band lines of the 15N14N18O isotopologue

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10. Fig. 9. Difference of the measured centres of the 3ν3 band lines of the15N15N16O isotopologue in this work (black squares), measurements of [13] (red circles) and [9] (blue triangles) from the calculated values

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