What are the primary ionic fragmentation products of benzonitrile upon dissociative ionization?

Label:chem

Topic
The fragmentation processes of benzonitrile have been investigated to understand its behavior upon dissociative ionization.
Answer
Upon dissociative ionization of benzonitrile, the cationic fragment structures with molecular formula C6H4⋅+ are identified as ortho(o)-benzyne and bicyclic meta(m)-benzyne due to HCN/HNC loss.
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