CRDS of 1 7O enriched water between 5850 and 6671 cm-1

More than 1000 energy levels of H2 17O and HD17O newly determined

S. N. Mikhailenko, O. Leshchishina, E. V. Karlovets, D. Mondelain, S. Kassi, A. Campargue

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The room temperature absorption spectrum of water vapor highly enriched in 17O has been recorded by Cavity Ring Down Spectroscopy (CRDS) between 5850 and 6671 cm-1. Two series of recordings were performed with pressure values of 1.0 and 12.0 Torr. The investigated spectral region corresponds to the important 1.55 μm transparency window of the atmosphere where water absorption is very weak. The high sensitivity of the recordings (αmin ~ 5×10-11 cm-1) allows detecting lines with intensity spanning six orders of magnitude (1.4×10-30-3.6×10-24 cm/molecule at room temperature). The experimental list includes more than 10,300 lines. The assignments of water lines were performed using known experimental energy levels as well as calculated line lists based on the results of Partridge and Schwenke. More than 8500 lines were assigned to 9619 transitions of six water isotopologues (H2 16O, H2 17O, H2 18O, HD16O, HD17O and HD18O). All but four transitions of the 1 6O and 18O isotopologues were assigned using known experimental energy levels. More than half of the assigned H2 17O and HD17O transitions correspond to new (or corrected) upper energy levels. About 1000 new H2 17O transitions associated with upper states of the second triad and of the first hexad were identified. Most of the newly assigned HD17O transitions belong to the ν13 and 2ν23 bands. The assigned transitions allowed to newly determine or correct 20 highly excited rotational levels of the vibrational ground state of this isotopologue. Overall 791 and 266 energy levels are newly determined for H2 17O and HD17O, respectively. A few additional levels were corrected compared to literature values. The obtained experimental results are compared to the spectroscopic parameters provided by the HITRAN database and to the empirical energy levels recommended by an IUPAC task group.

Original languageEnglish
Pages (from-to)108-116
Number of pages9
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume177
DOIs
Publication statusPublished - 1 Jul 2016

Fingerprint

Electron energy levels
energy levels
Spectroscopy
cavities
Water
rings
water
spectroscopy
Electron transitions
lists
Water piping systems
recording
Steam
Water absorption
Transparency
Ground state
room temperature
Absorption spectra
water vapor
Temperature

Keywords

  • Cavity Ring Down Spectroscopy
  • H O
  • HDO
  • HITRAN
  • MARVEL
  • Water

ASJC Scopus subject areas

  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Radiation

Cite this

CRDS of 1 7O enriched water between 5850 and 6671 cm-1 : More than 1000 energy levels of H2 17O and HD17O newly determined. / Mikhailenko, S. N.; Leshchishina, O.; Karlovets, E. V.; Mondelain, D.; Kassi, S.; Campargue, A.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 177, 01.07.2016, p. 108-116.

Research output: Contribution to journalArticle

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abstract = "The room temperature absorption spectrum of water vapor highly enriched in 17O has been recorded by Cavity Ring Down Spectroscopy (CRDS) between 5850 and 6671 cm-1. Two series of recordings were performed with pressure values of 1.0 and 12.0 Torr. The investigated spectral region corresponds to the important 1.55 μm transparency window of the atmosphere where water absorption is very weak. The high sensitivity of the recordings (αmin ~ 5×10-11 cm-1) allows detecting lines with intensity spanning six orders of magnitude (1.4×10-30-3.6×10-24 cm/molecule at room temperature). The experimental list includes more than 10,300 lines. The assignments of water lines were performed using known experimental energy levels as well as calculated line lists based on the results of Partridge and Schwenke. More than 8500 lines were assigned to 9619 transitions of six water isotopologues (H2 16O, H2 17O, H2 18O, HD16O, HD17O and HD18O). All but four transitions of the 1 6O and 18O isotopologues were assigned using known experimental energy levels. More than half of the assigned H2 17O and HD17O transitions correspond to new (or corrected) upper energy levels. About 1000 new H2 17O transitions associated with upper states of the second triad and of the first hexad were identified. Most of the newly assigned HD17O transitions belong to the ν1+ν3 and 2ν2+ν3 bands. The assigned transitions allowed to newly determine or correct 20 highly excited rotational levels of the vibrational ground state of this isotopologue. Overall 791 and 266 energy levels are newly determined for H2 17O and HD17O, respectively. A few additional levels were corrected compared to literature values. The obtained experimental results are compared to the spectroscopic parameters provided by the HITRAN database and to the empirical energy levels recommended by an IUPAC task group.",
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AU - Karlovets, E. V.

AU - Mondelain, D.

AU - Kassi, S.

AU - Campargue, A.

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AB - The room temperature absorption spectrum of water vapor highly enriched in 17O has been recorded by Cavity Ring Down Spectroscopy (CRDS) between 5850 and 6671 cm-1. Two series of recordings were performed with pressure values of 1.0 and 12.0 Torr. The investigated spectral region corresponds to the important 1.55 μm transparency window of the atmosphere where water absorption is very weak. The high sensitivity of the recordings (αmin ~ 5×10-11 cm-1) allows detecting lines with intensity spanning six orders of magnitude (1.4×10-30-3.6×10-24 cm/molecule at room temperature). The experimental list includes more than 10,300 lines. The assignments of water lines were performed using known experimental energy levels as well as calculated line lists based on the results of Partridge and Schwenke. More than 8500 lines were assigned to 9619 transitions of six water isotopologues (H2 16O, H2 17O, H2 18O, HD16O, HD17O and HD18O). All but four transitions of the 1 6O and 18O isotopologues were assigned using known experimental energy levels. More than half of the assigned H2 17O and HD17O transitions correspond to new (or corrected) upper energy levels. About 1000 new H2 17O transitions associated with upper states of the second triad and of the first hexad were identified. Most of the newly assigned HD17O transitions belong to the ν1+ν3 and 2ν2+ν3 bands. The assigned transitions allowed to newly determine or correct 20 highly excited rotational levels of the vibrational ground state of this isotopologue. Overall 791 and 266 energy levels are newly determined for H2 17O and HD17O, respectively. A few additional levels were corrected compared to literature values. The obtained experimental results are compared to the spectroscopic parameters provided by the HITRAN database and to the empirical energy levels recommended by an IUPAC task group.

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