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Formation of a CO-CH4 complex in thin solid films below 50 K

Alsindi, W. Z.; Gardner, D. O.; van Dishoeck, E. F. and Fraser, H. J. (2003). Formation of a CO-CH4 complex in thin solid films below 50 K. Chemical Physics Letters, 378(1-2) pp. 178–184.

URL: http://www.sciencedirect.com/science/article/pii/S...
DOI (Digital Object Identifier) Link: https://doi.org/10.1016/S0009-2614(03)01288-0
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Abstract

We have investigated the physical and chemical behaviour of pure-, mixed-, layered-, and thin-solid films of CO and CH4 using Fourier Transform Infrared Spectroscopy. Very little difference exists between the sublimation behaviour of the films. In contrast, a significant spectral feature was observed at ~2136 cm−1 only in the mixed CO:CH4 films, and was replicated by ab initio calculations on the gas-phase CO–CH4 complex. The complex is due to a ‘pseudo-double π-hydrogen bond’, with binding energy of around 14 kJ mol−1. To the best of our knowledge this is the first report of this complex.

Item Type: Journal Item
Copyright Holders: 2003 Elsevier B.V.
ISSN: 0009-2614
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 37310
Depositing User: Stephen Serjeant
Date Deposited: 25 Jun 2013 10:50
Last Modified: 02 May 2018 13:51
URI: http://oro.open.ac.uk/id/eprint/37310
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