Photoionization studies of CH3Cl using synchrotron radiation: Measurements of ionic formation enthalpies and bond energies

Acta Chimica Sinica ›› 1997, Vol. 55 ›› Issue (3): 236-241. Previous Articles Next Articles

Original Articles

一氯甲烷同步辐射光电离研究: 离子生成焓与键能的测定

李全新;冉琴;盛六四;陈从香;俞书勤;张允武;马兴孝

中国科学技术大学化学物理系;中国科学技术大学国家同步辐射实验室

发布日期:1997-03-15

Photoionization studies of CH3Cl using synchrotron radiation: Measurements of ionic formation enthalpies and bond energies

LI QUANXIN;RAN QIN;SHENG LIUSI;CHEN CONGXIANG;YU SHUQIN;ZHANG YUNWU;MA XINGXIAO

Published:1997-03-15

Abstract

The kinetic processes of the photoionization and photodissociation ionization of CH3Cl have been investigated under the supersonic beam conditions using synchrotron radiation. The ionization energy of CH3Cl is 11.28±0.01eV. Based on the measured appearance potential (AP) of the ionic fragments, the related formation enthalpies of the ionic species, the bond dissociation energy (BDE) of ionic and neutral species, and the dissociation energy (DE) of parent ion have been evaluated. The most possible channel of dissociation photoionization were analyzed.

Key words: ENTHALPY OF FORMATION, BOND ENERGY, PHOTOIONIZATION, CHLOROMETHANE, SYNCHRONOUS RADIATION

CLC Number:

O644

Cite this article

LI QUANXIN;RAN QIN;SHENG LIUSI;CHEN CONGXIANG;YU SHUQIN;ZHANG YUNWU;MA XINGXIAO. Photoionization studies of CH3Cl using synchrotron radiation: Measurements of ionic formation enthalpies and bond energies[J]. Acta Chimica Sinica, 1997, 55(3): 236-241.

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一氯甲烷同步辐射光电离研究: 离子生成焓与键能的测定

Photoionization studies of CH3Cl using synchrotron radiation: Measurements of ionic formation enthalpies and bond energies

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