Dissociative photoionization of CH2Cl2 and enthalpy of formation of CHCl+: Experiments and calculations

Su Yu Chiang*, Mohammed Bahou, K. Sankaran, Yuan-Pern Lee, Hsiu Feng Lu, Ming Der Su

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Dissociative photoionization of CH2Cl2 to form fragment ions CH2Cl+, CHCl+, and CCl+ was studied with a photoionization mass spectrometer using synchrotron radiation as an ionization source. IE of CH2Cl2, AE of the three fragment ions, and relative branching ratios were derived from their photoionization efficiency curves. Dissociative photoionization channels for production of CH2Cl+, CHCl+, and CCl+ were identified based on comparison of the experimental and calculated dissociation energies.

Original languageEnglish
Pages (from-to)62-69
Number of pages8
JournalJournal of Chemical Physics
Issue number1
StatePublished - 1 Jan 2003

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