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The H<sub>2</sub><sup>16</sup>O molecule: line position and line intensity analyses up to the second triad

Coudert, L. H. and Wagner, G. and Birk, M. and Baranov, Yu. I. and Lafferty, W. J. and Flaud, J.-M. (2008) The H<sub>2</sub><sup>16</sup>O molecule: line position and line intensity analyses up to the second triad. Journal of Molecular Spectroscopy, 1 (251), pp. 339-357. ACADEMIC PRESS INC ELSEVIER SCIENCE. ISSN 0022-2852

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Abstract

Accurate line strengths were obtained for the H<sub>2</sub><sup>16</sup>O molecule in the 800–1750 cm<sup>−1</sup> region. Measurements were carried out for 974 lines including pure rotational transitions and ν2, 2ν<sub>2</sub> −ν<sub>2</sub>, 3ν<sub>2</sub> −2ν<sub>2</sub>, and ν<sub>1</sub> −ν<sub>2</sub> band transitions. The absolute experimental uncertainty on the measurements, in percent of the observed line strength, is 1.5% or better for a number of lines. Line position and line intensity analyses of data pertaining to water and involving the eight first vibrational states of this molecule were also carried out. The data considered in the line position analysis were taken from the literature and involved rotational energy levels, line positions, and microwave frequencies. The data considered in the line intensity analysis involve the line strengths measured in this work, line strengths available from the literature, and Stark coefficients. The theoretical model used in both analyses accounts for anomalous centrifugal distortion effects. The unitless standard deviation achieved in both analyses is 1.2.

Item URL in elib:https://elib.dlr.de/55249/
Document Type:Article
Title:The H<sub>2</sub><sup>16</sup>O molecule: line position and line intensity analyses up to the second triad
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Coudert, L. H.LISA, Universités Paris 12 et Paris 7, CNRS, Paris, FranceUNSPECIFIED
Wagner, G.UNSPECIFIEDUNSPECIFIED
Birk, M.UNSPECIFIEDUNSPECIFIED
Baranov, Yu. I.Optical Technology Division, NIST, Gaithersburg, MD, USAUNSPECIFIED
Lafferty, W. J.Optical Technology Division, NIST, Gaithersburg, MD, USAUNSPECIFIED
Flaud, J.-M.LISA, Universités Paris 12 et Paris 7, CNRS, Paris, FranceUNSPECIFIED
Date:2008
Journal or Publication Title:Journal of Molecular Spectroscopy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:1
Page Range:pp. 339-357
Publisher:ACADEMIC PRESS INC ELSEVIER SCIENCE
ISSN:0022-2852
Status:Published
Keywords:water, spectroscopic database, nu2, infrared, line strength, line intensity, line position, Fourier-transform spectroscopy, quantum mechanical analysis,
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt ENVISAT (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Experimental Methods
Deposited By: Wagner, Dr.rer.nat. Georg
Deposited On:01 Oct 2008
Last Modified:27 Apr 2009 15:13

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