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Citation: Li Hai-Yang, Bai Ji-Ling, Sha Guo-He. Multiphoton Ionization and Fragmentation Pathway of Furan Molecules at 450nm[J]. Acta Physico-Chimica Sinica, ;1995, 11(09): 840-843. doi: 10.3866/PKU.WHXB19950916 shu

Multiphoton Ionization and Fragmentation Pathway of Furan Molecules at 450nm

1.
State Key Laboratory of Molecular Reaction Dynamics,Dalian Institute of Chemical Physics,Chinese Acadmey of Sciences,Dalian 116023

Received Date: 29 August 1994
Available Online: 15 September 1995

The multiphoton ionization and fragmentation pathway of furan at 450nm is analyzed on the basis of statistical theory and Ladder-Switching model. Our calculation indicates that fragmentation takes plase after furan molecules absorb six photons of 450nm, C+ begins to appear after absorption of nine photons, production of C2+ ions needs absorption of at least 15 photons. Our interesting result is that C+ ions is produced by dissociation of C3H+, CH2+ and C3+ ions, not of C2+ ions. Theoretically computed relative abundance of C+/C2+ after absorption 15photons agrees well with our experimental results.
- Furan,
- Multiphoton ionization and fragmentation,
- Statistical theory,
- Unimolecular reaction
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