Journal article
Effective line strengths of trans-nitrous acid near 1275 cm(-1) and cis-nitrous acid at 1660 cm(-1)
Journal of quantitative spectroscopy & radiative transfer, v 113(15), pp 1905-1912
01 Oct 2012
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Abstract
We determined the effective line strengths of the trans conformer of nitrous acid (HONO) near 1275 cm(-1) (R-branch of nu(3) mode, N-O-H bend) and of the cis conformer at 1660 cm(-1) (R-branch of nu(2) mode, N = 0 stretch), both at a spectral resolution of 0.001 cm(-1) by tunable infrared laser differential absorption spectroscopy (TILDAS) utilizing continuous-wave quantum cascade (cw-QC) lasers. Absorbance of one conformer was measured while simultaneously quantifying the mixing ratio of total HONO by catalytic conversion to nitric oxide (NO) followed by calibrated absorption spectroscopy. Line strengths obtained here are consistent with previously reported band strengths for the trans conformer but are lower by a factor of approximately 2.4 for the cis conformer. (C) 2012 Elsevier Ltd. All rights reserved.
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Details
- Title
- Effective line strengths of trans-nitrous acid near 1275 cm(-1) and cis-nitrous acid at 1660 cm(-1)
- Creators
- B. H. Lee - Harvard UniversityE. C. Wood - Aerodyne ResearchJ. Wormhoudt - Aerodyne ResearchJ. H. Shorter - Aerodyne ResearchS. C. Herndon - Aerodyne ResearchM. S. Zahniser - Aerodyne ResearchJ. W. Munger - Harvard University
- Publication Details
- Journal of quantitative spectroscopy & radiative transfer, v 113(15), pp 1905-1912
- Publisher
- Elsevier
- Number of pages
- 8
- Grant note
- AGS-0813617; 0814202 / National Science Foundation; National Science Foundation (NSF) 0813617 / Directorate For Geosciences; National Science Foundation (NSF); NSF - Directorate for Geosciences (GEO)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000307615000005
- Scopus ID
- 2-s2.0-84864016534
- Other Identifier
- 991020902864204721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Optics
- Spectroscopy