Competition between photodissociation and photoionization in methyl iodide

K. Tsukiyama; B. Katz; R. Bersohn

doi:10.1016/0009-2614(86)85023-0

Competition between photodissociation and photoionization in methyl iodide

K. Tsukiyama, B. Katz, R. Bersohn

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19 Scopus citations

Abstract

CH₃I has a number of 5pπ → 6p Rydberg states which can be excited by two-photon absorption from the ground state. These two-photon absorptions have been previously detected by molecular ionization with a third photon. They can also be studied by observation of the VUV fluorescence from neutral photofragments (excited iodine atoms) following absorption of a third photon. Similarly it is found that absorption of one photon at 118 nm (10.5 eV) is followed by dissociation into excited iodine atoms as well as ionization. Iodine atom VUV emission is 2-10 times stronger from CD₃I than from CH₃I.

Original language	English
Pages (from-to)	309-312
Number of pages	4
Journal	Chemical Physics Letters
Volume	124
Issue number	4
DOIs	https://doi.org/10.1016/0009-2614(86)85023-0
State	Published - 1 Jan 1986
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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title = "Competition between photodissociation and photoionization in methyl iodide",

abstract = "CH3I has a number of 5pπ → 6p Rydberg states which can be excited by two-photon absorption from the ground state. These two-photon absorptions have been previously detected by molecular ionization with a third photon. They can also be studied by observation of the VUV fluorescence from neutral photofragments (excited iodine atoms) following absorption of a third photon. Similarly it is found that absorption of one photon at 118 nm (10.5 eV) is followed by dissociation into excited iodine atoms as well as ionization. Iodine atom VUV emission is 2-10 times stronger from CD3I than from CH3I.",

author = "K. Tsukiyama and B. Katz and R. Bersohn",

year = "1986",

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doi = "10.1016/0009-2614(86)85023-0",

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T1 - Competition between photodissociation and photoionization in methyl iodide

AU - Tsukiyama, K.

AU - Katz, B.

AU - Bersohn, R.

PY - 1986/1/1

Y1 - 1986/1/1

N2 - CH3I has a number of 5pπ → 6p Rydberg states which can be excited by two-photon absorption from the ground state. These two-photon absorptions have been previously detected by molecular ionization with a third photon. They can also be studied by observation of the VUV fluorescence from neutral photofragments (excited iodine atoms) following absorption of a third photon. Similarly it is found that absorption of one photon at 118 nm (10.5 eV) is followed by dissociation into excited iodine atoms as well as ionization. Iodine atom VUV emission is 2-10 times stronger from CD3I than from CH3I.

AB - CH3I has a number of 5pπ → 6p Rydberg states which can be excited by two-photon absorption from the ground state. These two-photon absorptions have been previously detected by molecular ionization with a third photon. They can also be studied by observation of the VUV fluorescence from neutral photofragments (excited iodine atoms) following absorption of a third photon. Similarly it is found that absorption of one photon at 118 nm (10.5 eV) is followed by dissociation into excited iodine atoms as well as ionization. Iodine atom VUV emission is 2-10 times stronger from CD3I than from CH3I.

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U2 - 10.1016/0009-2614(86)85023-0

DO - 10.1016/0009-2614(86)85023-0

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SP - 309

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 4

ER -

Competition between photodissociation and photoionization in methyl iodide

Abstract

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