Fundamental Excitations of the Shared Proton in the H3O2 - and H5O2 + Complexes
We exploit recent advances in argon predissociation spectroscopy to record the spectroscopic signature of the shared proton oscillations in the H3O2 - system and compare the resulting spectrum with that of the H5O2 + ion taken under similar conditions. Very intense 1 ← 0 transitions are observed bel...
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| Veröffentlicht in: | The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2005-03, Vol.109 (8), p.1487-1490 |
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| container_end_page | 1490 |
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| container_title | The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory |
| container_volume | 109 |
| creator | Diken, Eric G. Headrick, Jeffrey M. Roscioli, Joseph R. Bopp, Joseph C. Johnson, Mark A. McCoy, Anne B. |
| description | We exploit recent advances in argon predissociation spectroscopy to record the spectroscopic signature of the shared proton oscillations in the H3O2 - system and compare the resulting spectrum with that of the H5O2 + ion taken under similar conditions. Very intense 1 ← 0 transitions are observed below 1100 cm-1 in both cases and are surprisingly sharp, with the 697 cm-1 transition in H3O2 - being among the lowest in energy of any shared proton system measured to date. The assignments of the three fundamental transitions associated with the three-dimensional confinement of the shared proton in H3O2 - are carried out with full-dimensional (DMC) calculations to treat this strongly anharmonic vibrational problem. |
| doi_str_mv | 10.1021/jp044155v |
| format | Article |
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Very intense 1 ← 0 transitions are observed below 1100 cm-1 in both cases and are surprisingly sharp, with the 697 cm-1 transition in H3O2 - being among the lowest in energy of any shared proton system measured to date. The assignments of the three fundamental transitions associated with the three-dimensional confinement of the shared proton in H3O2 - are carried out with full-dimensional (DMC) calculations to treat this strongly anharmonic vibrational problem.</description><identifier>ISSN: 1089-5639</identifier><identifier>EISSN: 1520-5215</identifier><identifier>DOI: 10.1021/jp044155v</identifier><identifier>PMID: 16833469</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><ispartof>The journal of physical chemistry. 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| title | Fundamental Excitations of the Shared Proton in the H3O2 - and H5O2 + Complexes |
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