The near infrared cavity-enhanced absorption spectrum of methyl cyanide

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dc.contributor.author O'Leary, Deirdre M.
dc.contributor.author Ruth, Albert A.
dc.contributor.author Dixneuf, Sophie
dc.contributor.author Orphal, Johannes
dc.contributor.author Varma, Ravi M.
dc.date.accessioned 2013-01-09T17:34:21Z
dc.date.available 2013-01-09T17:34:21Z
dc.date.copyright 2012
dc.date.issued 2012-01
dc.identifier.citation O'Leary, D.M., Ruth, A.A., Dixneuf, S., Orphal, J., Varma, R. (2012) 'The near infrared cavity-enhanced absorption spectrum of methyl cyanide'. Journal of Quantitative Spectroscopy & Radiative Transfer, 113 :1138-1147. doi: 10.1016/j.jqsrt.2012.02.022 en
dc.identifier.volume 113 en
dc.identifier.issued 11 en
dc.identifier.startpage 1138 en
dc.identifier.endpage 1147 en
dc.identifier.issn 0022-4073
dc.identifier.uri http://hdl.handle.net/10468/877
dc.identifier.doi 10.1016/j.jqsrt.2012.02.022
dc.description.abstract The absorption spectrum of methyl cyanide (CH3CN) has been measured in the near IR between 6000 and 8000 cm(-1) with a resolution of 0.12 cm(-1) using Fourier transform incoherent broadband cavity-enhanced absorption spectroscopy. The spectrum contains several weakly perturbed spectral regions: potential vibrational combination bands contributing to the spectrum are outlined. Line positions and cross-sections of CH3CN between 6814 and 7067 cm(-1) have been measured at high-resolution of 0.001 cm(-1) using diode laser based off-axis cavity-enhanced absorption spectroscopy. A total of 4630 new absorption lines of CH3CN are identified in this region. A value for the self-broadening coefficient has determined to be (3.3 +/- 0.2) X 10(-3) cm(-1) mbar(-1) for one isolated line at 7034.171 cm(-1). Several line series have been identified in these regions and an autocorrelation analysis performed with a view to aiding future assignments of the rotational-vibrational transitions. en
dc.description.sponsorship Environmental Protection Agency(STRIVE program, 2008-FS-EH-2-S5); Irish Research Council for Science Engineering and Technology (EMBARK initiative 2005 (postgraduate programme) and 2008 (post-doctoral programme)) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Elsevier en
dc.rights Copyright © 2012, Elsevier. NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Quantitative Spectroscopy & Radiative Transfer. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Quantitative Spectroscopy & Radiative Transfer, [113, July 2012] http://dx.doi.org/10.1016/j.jqsrt.2012.02.022 en
dc.subject Methyl cyanide en
dc.subject Acetonitrile en
dc.subject Fourier transform cavity-enhanced spectroscopy en
dc.subject Broadband absorption en
dc.subject High resolution en
dc.subject Positive ion composition en
dc.subject Microwave limb sounder en
dc.subject Band light-source en
dc.subject Stratospheric CH3CN en
dc.subject Acetonitrile CH3CN en
dc.subject Molecular cloud en
dc.subject Cross-sections en
dc.subject NU-7 bands en
dc.subject CM(-1) en
dc.subject.lcsh Spectroscopy en
dc.title The near infrared cavity-enhanced absorption spectrum of methyl cyanide en
dc.type Article (peer-reviewed) en
dc.internal.authorurl http://publish.ucc.ie/researchprofiles/D006/aruth en
dc.internal.authorcontactother Albert Ruth, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: a.ruth@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2013-01-08T13:49:10Z
dc.description.version Accepted Version en
dc.internal.rssid 160747268
dc.internal.wokid 000305355200029
dc.contributor.funder Environmental Protection Agency en
dc.contributor.funder Irish Research Council for Science Engineering and Technology en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Journal of Quantitative Spectroscopy & Radiative Transfer en
dc.internal.copyrightchecked No - CORA - ROMEO check. Elsevier Accepted Manuscript and set statement en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress a.ruth@ucc.ie en


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