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Partial Ionization Cross Sections of Organic Molecules



Karl K. Irikura


Partial ionization cross sections are the absolute yields of specific ions from an electron- molecule collision. They are necessary for modeling plasmas and for determining the sensitivity of mass spectrometers, among other applications. One mass-spectrometric application is for estimating the abundance of organic compounds on Mars, as sampled by the rover Curiosity. This is a report of semi-theoretical data obtained for a collection of organic molecules identified as possible biomarkers in this exotic context.
Journal of Research (NIST JRES) -


cross section, electron ionization, gas analysis, mass spectrometry, quantum chemistry


Irikura, K. (2017), Partial Ionization Cross Sections of Organic Molecules, Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed July 14, 2024)


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Created June 13, 2017, Updated November 10, 2018