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Communication: Vacuum ultraviolet photoabsorption of interstellar icy thiols

Bhuin, Radha Gobinda; Sivaraman, Bhalamurugan; Lo, Jen-Iu; Sekhar, B. N. Raja; Cheng, Bing-Ming; Pradeep, Thalappil and Mason, Nigel John (2014). Communication: Vacuum ultraviolet photoabsorption of interstellar icy thiols. Journal of Chemical Physics, 141(23), article no. 231101.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1063/1.4903840
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Abstract

Following the recent identification of ethanethiol in the interstellar medium (ISM) we have carried out Vacuum UltraViolet (VUV) spectroscopy studies of ethanethiol (CH3CH2SH) from 10 K until sublimation in an ultrahigh vacuum chamber simulating astrochemical conditions. These results are compared with those of methanethiol (CH3SH), the lower order thiol also reported to be present in the ISM. VUV spectra recorded at higher temperature reveal conformational changes in the ice and phase transitions whilst evidence for dimer production is also presented.

Item Type: Journal Item
Copyright Holders: 2014 AIP Publishing
ISSN: 1089-7690
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Physics
Item ID: 41630
Depositing User: Astrid Peterkin
Date Deposited: 09 Jan 2015 10:57
Last Modified: 09 Dec 2018 21:29
URI: http://oro.open.ac.uk/id/eprint/41630
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