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Mixed cationic clusters of nitrogen and hydrogen.

P MartiniF HechenbergerMarcelo GoulartJ ZelgerPaul ScheierMichael Gatchell
Published in: The Journal of chemical physics (2020)
The addition of small impurities, such as a single proton charge carrier, in noble gas clusters has recently been shown to have considerable effects on their geometries and stabilities. Here, we report on a mass spectrometric study of cationic clusters of N2 molecules and the effects that adding hydrogen, in the form of D2, has on the systems. Protonated nitrogen clusters formed by the breakup of D2 are shown to have similar behaviors as protonated rare gas clusters. For larger systems consisting of different mixtures of intact N2 and D2, different molecular species are found to be interchangeable sometimes with regard to magic numbers. This is especially true for the (N2)n(D2)mD+ systems with n + m = 17, which is particularly abundant for all measured combinations of n and m.
Keyphrases
  • room temperature
  • molecular dynamics
  • ionic liquid
  • single molecule