Excited-state dynamics of hydrogen-bonded dimers of benzoic acid
The fluorescence emission spectra of jet-cooled hydrogen-bonded dimers of benzoic acid and isotopic analogs are presented and the vibrational assignments of the ground state complexes are made. Intramolecular vibrational relaxation is observed in S1 at excess vibrational energies as low as 373 cm−1....
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| Veröffentlicht in: | The Journal of chemical physics 1984-03, Vol.80 (5), p.1801-1811 |
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| container_issue | 5 |
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| container_title | The Journal of chemical physics |
| container_volume | 80 |
| creator | POELTL, D. E MCVEY, J. K |
| description | The fluorescence emission spectra of jet-cooled hydrogen-bonded dimers of benzoic acid and isotopic analogs are presented and the vibrational assignments of the ground state complexes are made. Intramolecular vibrational relaxation is observed in S1 at excess vibrational energies as low as 373 cm−1. The role of the hydrogen bonding network as a heat bath is considered and the results are consistent with an argument based on an estimate of the density of states. Electronic energy transfer is examined in the weak coupling limit and transfer is observed in mixed dimers of perhydro (d0) and ring deuterated (d5) benzoic acid. Transfer from d5 to d0 is observed when excess vibrational energy is present. The jet-cooled, isolated dimer provides an excellent case for the examination of energy transfer in hydrogen-bonded complexes. |
| doi_str_mv | 10.1063/1.446938 |
| format | Article |
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E ; MCVEY, J. K</creator><creatorcontrib>POELTL, D. E ; MCVEY, J. K</creatorcontrib><description>The fluorescence emission spectra of jet-cooled hydrogen-bonded dimers of benzoic acid and isotopic analogs are presented and the vibrational assignments of the ground state complexes are made. Intramolecular vibrational relaxation is observed in S1 at excess vibrational energies as low as 373 cm−1. The role of the hydrogen bonding network as a heat bath is considered and the results are consistent with an argument based on an estimate of the density of states. Electronic energy transfer is examined in the weak coupling limit and transfer is observed in mixed dimers of perhydro (d0) and ring deuterated (d5) benzoic acid. Transfer from d5 to d0 is observed when excess vibrational energy is present. 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E</creatorcontrib><creatorcontrib>MCVEY, J. K</creatorcontrib><title>Excited-state dynamics of hydrogen-bonded dimers of benzoic acid</title><title>The Journal of chemical physics</title><description>The fluorescence emission spectra of jet-cooled hydrogen-bonded dimers of benzoic acid and isotopic analogs are presented and the vibrational assignments of the ground state complexes are made. Intramolecular vibrational relaxation is observed in S1 at excess vibrational energies as low as 373 cm−1. The role of the hydrogen bonding network as a heat bath is considered and the results are consistent with an argument based on an estimate of the density of states. Electronic energy transfer is examined in the weak coupling limit and transfer is observed in mixed dimers of perhydro (d0) and ring deuterated (d5) benzoic acid. Transfer from d5 to d0 is observed when excess vibrational energy is present. 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E</creator><creator>MCVEY, J. K</creator><general>American Institute of Physics</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19840301</creationdate><title>Excited-state dynamics of hydrogen-bonded dimers of benzoic acid</title><author>POELTL, D. E ; MCVEY, J. K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c290t-ba45e8c6e64dc48c1363f8efc6773342a8d52964022e5ebdb6580cce2c64792c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Atomic and molecular physics</topic><topic>Exact sciences and technology</topic><topic>Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion)</topic><topic>Molecular properties and interactions with photons</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>POELTL, D. E</creatorcontrib><creatorcontrib>MCVEY, J. K</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>POELTL, D. E</au><au>MCVEY, J. K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Excited-state dynamics of hydrogen-bonded dimers of benzoic acid</atitle><jtitle>The Journal of chemical physics</jtitle><date>1984-03-01</date><risdate>1984</risdate><volume>80</volume><issue>5</issue><spage>1801</spage><epage>1811</epage><pages>1801-1811</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><coden>JCPSA6</coden><abstract>The fluorescence emission spectra of jet-cooled hydrogen-bonded dimers of benzoic acid and isotopic analogs are presented and the vibrational assignments of the ground state complexes are made. Intramolecular vibrational relaxation is observed in S1 at excess vibrational energies as low as 373 cm−1. The role of the hydrogen bonding network as a heat bath is considered and the results are consistent with an argument based on an estimate of the density of states. Electronic energy transfer is examined in the weak coupling limit and transfer is observed in mixed dimers of perhydro (d0) and ring deuterated (d5) benzoic acid. Transfer from d5 to d0 is observed when excess vibrational energy is present. The jet-cooled, isolated dimer provides an excellent case for the examination of energy transfer in hydrogen-bonded complexes.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.446938</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-9606 |
| ispartof | The Journal of chemical physics, 1984-03, Vol.80 (5), p.1801-1811 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_446938 |
| source | AIP Digital Archive |
| subjects | Atomic and molecular physics Exact sciences and technology Fluorescence and phosphorescence radiationless transitions, quenching (intersystem crossing, internal conversion) Molecular properties and interactions with photons Physics |
| title | Excited-state dynamics of hydrogen-bonded dimers of benzoic acid |
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