Dr Colin M Western

M.A., D.Phil.(Oxon.)

  • BS8 1TS

1990 …2020

Research output per year

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Personal profile

Research interests

My interest is in applying molecular spectroscopy to provide detailed information on the structure and properties of molecules, particularly transient ones. My work has included experimental studies, mainly high resolution work using lasers, and theoretical development of methods for interpreting spectra. As part of this research I have released a program, PGOPHER, for simulating molecular spectra. Since the first release in 2005 it has become widely adopted, and is in use by many research groups throughout the world - see http://pgopher.chm.bris.ac.uk for further details. My current work concentrates on maintaining and updating this program to allow it to be applied to as wide a range of systems as possible, particularly to make it easy to use on complex spectra.

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Research Output

  • 79 Article (Academic Journal)
  • 2 Chapter in a book
  • 1 Conference Contribution (Conference Proceeding)
  • 1 Software

First high-resolution infrared spectra of 2–13C-propane: Analyses of the ν26 (B2) c-type and ν9 (A1) b-type bands

Daunt, S. J., Grzywacz, R., Western, C. M., Lafferty, W. J., Flaud, J-M., Billinghurst, B. E. & Hutchings, R., 5 Jun 2020, In : Journal of Molecular Structure. 1209, 10 p., 127851.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
  • 75 Downloads (Pure)

    Rydberg spectra of singlet metastable states of O2

    Western, C. M., Booth, J-P., Chatterjee, A. & de Oliveira, N., 26 Mar 2020, In : Molecular Physics. 16 p., e1741714.

    Research output: Contribution to journalArticle (Academic Journal)

  • Ultraviolet Photolysis of H2S and its Implications for SH Radical Production in the Interstellar Medium

    Zhou, J., Zhao, Y., Hansen, C. S., Yang, J., Chang, Y., Yu, Y., Cheng, G., Chen, Z., He, Z., Yu, S., Ding, H., Zhang, W., Western, C. M., Ashfold, M. N. R., Yuan, K. & Yang, X., 24 Mar 2020, In : Nature Communications. 11, 8 p., 1547.

    Research output: Contribution to journalArticle (Academic Journal)

    Open Access
    28 Downloads (Pure)


    Supplementary files for the rotational analysis of the 2nu5 band of formaldehyde

    Barry, H. (Creator), Ritchie, G. (Creator), Hancock, G. (Creator), Western, C. M. (Creator), Saha, S. (Creator) & Oxford, U. O. (Contributor), University of Bristol, 9 May 2014


    The spectrum of N2 from 4500 to 15700 cm−1 revisited with PGOPHER

    Western, C. M. (Creator), Carter-Blatchford, L. (Contributor), Crozet, P. (Contributor), Ross, A. J. (Contributor), Morville, J. (Contributor) & Tokaryk, D. (Contributor), University of Bristol, 18 Jul 2018



    • 1 Visiting an external academic institution

    Department of Chemistry, University of Helsinki

    Colin M Western (Visiting lecturer)

    16 Dec 201319 Dec 2013

    Activity: Visiting an external institution typesVisiting an external academic institution

    Supervised Work

    Alternative Excitation Mechanisms Occurring within Microwave-activated Plasmas under Conditions Relevant to the Chemical Vapour Deposition of Diamond

    Author: Mahoney, E. J. D., 1 Oct 2019

    Supervisor: Ashfold, M. (Supervisor) & Western, C. (Supervisor)

    Student thesis: Doctoral ThesisDoctor of Philosophy (PhD)