| pubmed-article:16081697 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:16081697 | lifeskim:mentions | umls-concept:C0014653 | lld:lifeskim |
| pubmed-article:16081697 | lifeskim:mentions | umls-concept:C1441672 | lld:lifeskim |
| pubmed-article:16081697 | lifeskim:mentions | umls-concept:C1550177 | lld:lifeskim |
| pubmed-article:16081697 | pubmed:issue | 5739 | lld:pubmed |
| pubmed-article:16081697 | pubmed:dateCreated | 2005-8-26 | lld:pubmed |
| pubmed-article:16081697 | pubmed:abstractText | In general, the formation and dissociation of solute-solvent complexes have been too rapid to measure without disturbing the thermal equilibrium. We were able to do so with the use of two-dimensional infrared vibrational echo spectroscopy, an ultrafast vibrational analog of two-dimensional nuclear magnetic resonance spectroscopy. The equilibrium dynamics of phenol complexation to benzene in a benzene-carbon tetrachloride solvent mixture were measured in real time by the appearance of off-diagonal peaks in the two-dimensional vibrational echo spectrum of the phenol hydroxyl stretch. The dissociation time constant tau(d) for the phenol-benzene complex was 8 picoseconds. Adding two electron-donating methyl groups to the benzene nearly tripled the value of tau(d) and stabilized the complex, whereas bromobenzene, with an electron-withdrawing bromo group, formed a slightly weaker complex with a slightly lower tau(d). The spectroscopic method holds promise for studying a wide variety of other fast chemical exchange processes. | lld:pubmed |
| pubmed-article:16081697 | pubmed:commentsCorrections | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:16081697 | pubmed:commentsCorrections | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:16081697 | pubmed:language | eng | lld:pubmed |
| pubmed-article:16081697 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:16081697 | pubmed:status | PubMed-not-MEDLINE | lld:pubmed |
| pubmed-article:16081697 | pubmed:month | Aug | lld:pubmed |
| pubmed-article:16081697 | pubmed:issn | 1095-9203 | lld:pubmed |
| pubmed-article:16081697 | pubmed:author | pubmed-author:FayerM DMD | lld:pubmed |
| pubmed-article:16081697 | pubmed:author | pubmed-author:ChenXinX | lld:pubmed |
| pubmed-article:16081697 | pubmed:author | pubmed-author:KwakKyungwonK | lld:pubmed |
| pubmed-article:16081697 | pubmed:author | pubmed-author:PileticIvan... | lld:pubmed |
| pubmed-article:16081697 | pubmed:author | pubmed-author:ZhengJunrongJ | lld:pubmed |
| pubmed-article:16081697 | pubmed:author | pubmed-author:AsburyJohnJ | lld:pubmed |
| pubmed-article:16081697 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:16081697 | pubmed:day | 26 | lld:pubmed |
| pubmed-article:16081697 | pubmed:volume | 309 | lld:pubmed |
| pubmed-article:16081697 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:16081697 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:16081697 | pubmed:pagination | 1338-43 | lld:pubmed |
| pubmed-article:16081697 | pubmed:dateRevised | 2007-3-19 | lld:pubmed |
| pubmed-article:16081697 | pubmed:year | 2005 | lld:pubmed |
| pubmed-article:16081697 | pubmed:articleTitle | Ultrafast dynamics of solute-solvent complexation observed at thermal equilibrium in real time. | lld:pubmed |
| pubmed-article:16081697 | pubmed:affiliation | Department of Chemistry, Stanford University, Stanford, CA 94305, USA. | lld:pubmed |
| pubmed-article:16081697 | pubmed:publicationType | Journal Article | lld:pubmed |
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