DOI: 10.1063/1.439152. Infrared photodissociation of polyatomic ions

Infrared photodissociation of polyatomic ions

10.1063/1.439152

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Dissociation of CF3I+, CF3Br+, and CF3Cl+ ions resulting from the absorption of a single 10 μ IR photon by highly vibrationally excited parent ions under collision-free conditions is reported. In each case, the only observed products are CF3++X. Dissociation yields as a function of photon wavelength for CF3I+ and CF3Br+ peak sharply at ∼950 cm−1 corresponding to a strong absorption frequency in the molecular ion. Product ion translational energy distributions are measured for CF3I+ and CF3Br+ photodissociation, and indicate that the energy release is ≪hν. The observed dissociation can be interpreted as resulting from the unimolecular decomposition of ions, initially formed with a total energy within 900–1000 cm−1 of the disociation limit, that absorb a single infrared photon. Thus, this process corresponds directly to the final step in IR multiphoton dissociation of polyatomic ions.

Bibliography

Coggiola, M. J., Cosby, P. C., & Peterson, J. R. (1980). Infrared photodissociation of polyatomic ions. The Journal of Chemical Physics, 72(12), 6507â6512.

Authors 3

M. J. Coggiola (first)
P. C. Cosby (additional)
J. R. Peterson (additional)

References 22 Referenced 39

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10.1063/1.2995035 / Physics Today (1978)
10.1146/annurev.pc.30.100179.002115 / Ann. Rev. Phys. Chem. (1979)
{'key': '2024020919153369300_r3'}
{'key': '2024020919153369300_r3a'}
10.1063/1.1134871 / Rev. Sci. Instrum. (1977)
{'key': '2024020919153369300_r5'}
10.1021/ja00508a065 / J. Am. Chem. Soc. (1979)
10.1016/0030-4018(79)90074-9 / Opt. Commun. (1979)
10.1063/1.434998 / J. Chem. Phys. (1977)
10.1063/1.436638 / J. Chem. Phys. (1978)
10.1063/1.1675355 / J. Chem. Phys. (1971)
{'key': '2024020919153369300_r10', 'first-page': '479', 'volume': '72', 'year': '1968', 'journal-title': 'J. Res. Natl. Bur. Stand. A'} / J. Res. Natl. Bur. Stand. A (1968)
{'issue': '1', 'key': '2024020919153369300_r11', 'volume': '6', 'year': '1977', 'journal-title': 'J. Phys. Chem. Ref. Data'} / J. Phys. Chem. Ref. Data (1977)
10.1063/1.437482 / J. Chem. Phys. (1979)
10.1021/ar50137a002 / Acc. Chem. Res. (1979)
10.1063/1.1698867 / J. Chem. Phys. (1953)
10.1039/tf9615700873 / Trans. Faraday Soc. (1961)
10.6028/jres.048.012 / J. Res. Natl. Bur. Stand. (1952)
10.1016/0022-2852(75)90161-7 / J. Mol. Spectrosc. (1975)
{'key': '2024020919153369300_r18'}
{'key': '2024020919153369300_r19'}

Dates

Type	When
Created	22 years, 5 months ago (Feb. 28, 2003, 3 p.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 4:18 p.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 8:20 p.m.)
Issued	45 years, 2 months ago (June 15, 1980)
Published	45 years, 2 months ago (June 15, 1980)
Published Print	45 years, 2 months ago (June 15, 1980)

Funders 0

None

BibTeX

@article{Coggiola_1980, title={Infrared photodissociation of polyatomic ions}, volume={72}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.439152}, DOI={10.1063/1.439152}, number={12}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Coggiola, M. J. and Cosby, P. C. and Peterson, J. R.}, year={1980}, month=jun, pages={6507–6512} }

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