Intermolecular energy exchange of infrared-laser excited chlorodifluoromethane or silicon tetrafluoride with bromine at excitation energies of 70-200 kJ/mol

Grunwald, Ernest; Lonzetta, Charles M.; Popok, Steven

doi:10.1021/ja00511a045

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Secondary Photolysis1

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“…The yield of CBr2F2 at higher fluences, however, seems to be too large to be explained adequately only by Eq. (16) and (17). One possibility is the secondary photolysls of CF3CHF radicals yielding CF 2 carbenes.…”

Section: Secondary Photolysismentioning

confidence: 96%

Infrared Multiphoton Dissociation of CF₃CHClF: Primary Dissociation and Secondary Photolysis

et al. 1987

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The dissociation yield and branching ratio in CO2 laser-induced infrared multiphoton dissociation (IRMPD) of CF3CHClF were investigated by irradiation at 9R(20) 1078.6 cm−1 under an unfocused irradiation geometry (0.75-2.3 J/cm2) and a mildly focused one (1.2-18 J/cm2). By using a Br2-scavenging technique, it was revealed that the primary dissociation of CF3CHClF proceeded mainly via three-centered HCl molecular elimination and C-Cl bond rupture, with minor contributions of C-C bond rupture and HF molecular elimination at higher fluences. The secondary photolysis of the primarily produced species during the laser pulse to yield CF2 and CClF carbenes depended strongly upon the laser fluence.

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Section: Secondary Photolysismentioning

confidence: 96%

Infrared Multiphoton Dissociation of CF₃CHClF: Primary Dissociation and Secondary Photolysis

et al. 1987

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ChemInform Abstract: INTERMOLECULAR ENERGY EXCHANGE OF INFRARED‐LASER EXCITED CHLORODIFLUOROMETHANE OR SILICON TETRAFLUORIDE WITH BROMINE AT EXCITATION ENERGIES OF 70‐200 KJ/MOL

Grunwald¹,

Lonzetta²,

Popok³

1979

Chemischer Informationsdienst

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Multiphoton Infrared Excitation and Reaction of Organic Compounds

Danen

Jang

1981

Laser-Induced Chemical Processes

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Intermolecular energy exchange of infrared-laser excited chlorodifluoromethane or silicon tetrafluoride with bromine at excitation energies of 70-200 kJ/mol

Cited by 6 publications

References 0 publications

Infrared Multiphoton Dissociation of CF₃CHClF: Primary Dissociation and Secondary Photolysis

Infrared Multiphoton Dissociation of CF₃CHClF: Primary Dissociation and Secondary Photolysis

ChemInform Abstract: INTERMOLECULAR ENERGY EXCHANGE OF INFRARED‐LASER EXCITED CHLORODIFLUOROMETHANE OR SILICON TETRAFLUORIDE WITH BROMINE AT EXCITATION ENERGIES OF 70‐200 KJ/MOL

Multiphoton Infrared Excitation and Reaction of Organic Compounds

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Intermolecular energy exchange of infrared-laser excited chlorodifluoromethane or silicon tetrafluoride with bromine at excitation energies of 70-200 kJ/mol

Cited by 6 publications

References 0 publications

Infrared Multiphoton Dissociation of CF3CHClF: Primary Dissociation and Secondary Photolysis

Infrared Multiphoton Dissociation of CF3CHClF: Primary Dissociation and Secondary Photolysis

ChemInform Abstract: INTERMOLECULAR ENERGY EXCHANGE OF INFRARED‐LASER EXCITED CHLORODIFLUOROMETHANE OR SILICON TETRAFLUORIDE WITH BROMINE AT EXCITATION ENERGIES OF 70‐200 KJ/MOL

Multiphoton Infrared Excitation and Reaction of Organic Compounds

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Infrared Multiphoton Dissociation of CF₃CHClF: Primary Dissociation and Secondary Photolysis

Infrared Multiphoton Dissociation of CF₃CHClF: Primary Dissociation and Secondary Photolysis