Citation: Yong Jun HU, Yong CAI, Ri Chang LU, Nan Quan LOU, Xiu Yan WANG. Protonation and Dehydrogenation During the Multiphoton Ionization of the Cluster:C₄H₅N(H₂O)_n[J]. Chinese Chemical Letters, ;2001, 12(3): 215-218. shu

Protonation and Dehydrogenation During the Multiphoton Ionization of the Cluster:C₄H₅N(H₂O)_n

State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023

Received Date: 23 August 2000

Fund Project: This work is supported by the National Natural Science Foundation of China (No.29833080).

Multiphoton ionization (MPI) of the hydrogen-bonded clusters C₄H₅N-(H₂O)_m was studied with a time of flight (TOF) mass spectrometer at 355 nm. Series of the pyrrole-watercluster ions were observed, including unprotonated cluster ions[C₄H₅N-(H₂O)_n]⁺, protonated cluster ions[C₄H₅N-(H₂O)_nH]⁺ and dehydrogenated cluster ions[C₄H₄N-(H₂O)_n]⁺. Both the experimental and ab initio calculated results agree with that the dehydrogenation has more probabilities to occur while the value of n is raised.
- MPI,
- TOF-MS,
- Ab Initio,
- pyrrole cluster,
- proton transfer
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