Abstract

European Journal of Mass Spectrometry
Volume 13 Issue 2, Pages 173–175 (2007)
doi: 10.1255/ejms.844

Letter: OCCO^·+, NNCO^·+ and NNNN^·+ radical cations

R. Flammang,^a,* R. Srinivas,^b M.T. Nguyen^c, P. Gerbaux^a
^a Laboratory of Organic Chemistry, University of Mons-Hainaut, Avenue Maistriau 19, B-7000 Mons, Belgium
^bNational Center for Mass Spectrometry, Indian Institute of Chemical Technology, Hyderabad-500007, India
^CDepartment of Chemistry, University of Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium

Chemical ionization of a mixture of nitrogen and carbon monoxide produces three stable isobaric species at m/z 56: OCCO, OCNN and NNNN radical cations. Separated at increased resolution, these ions are readily identified by collisional activation. Neutralization-reionization experiments performed on two different mass spectrometers have not allowed the detection of any recovery signals for the corresponding neutrals.

Keywords: collisional activation, neutralization- reionization, nitrogen and carbon monoxide cluster ions

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