Research Article

On the Primary Ionization Mechanism(s) in Matrix-Assisted Laser Desorption Ionization

Table 3

Dissociation energy for the process described in Scheme 4.

Dimers (eV) (eV) (eV)

Benzoic acid1.063.683.50
2,5-dihydroxybenzoic acid0.25
4-methoxybenzoic acid0.74
4-nitrobenzoic acid0.72
4-N,N-dimethylaminobenzoic acid0.77