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The additional 55\u00b110 fs solvation response was found to be about 35\u2009% and 19\u2009% of the total C(<\/jats:italic>t<jats:italic>) of HPTA in dichloromethane (DCM) when it was hydrogen\u2010bonded to dimethylsulfoxide (DMSO) and dioxane, respectively, and about 29\u2009% of the total C(<\/jats:italic>t<jats:italic>) of HPTA in dichloroethane (DCE) when it was hydrogen\u2010bonded to DMSO. We have assigned this additional dynamic spectral shift to a transient change in the hydrogen bond (O\uf8ffH\u22c5\u22c5\u22c5O) that links HPTA to the complexing base, after the electronic excitation of the photoacid<\/jats:italic>.<\/jats:p>","DOI":"10.1002\/cphc.200301004","type":"journal-article","created":{"date-parts":[[2004,9,17]],"date-time":"2004-09-17T07:03:07Z","timestamp":1095404587000},"page":"1315-1327","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":97,"title":["Femtosecond Pump\u2010Probe Measurements of Solvation by Hydrogen\u2010Bonding Interactions"],"prefix":"10.1002","volume":"5","author":[{"given":"Ehud","family":"Pines","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dina","family":"Pines","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying\u2010Zhong","family":"Ma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Graham R.","family":"Fleming","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,9,17]]},"reference":[{"key":"e_1_2_10_1_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.452460"},{"key":"e_1_2_10_2_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.452249"},{"key":"e_1_2_10_3_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.461742"},{"key":"e_1_2_10_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/369471a0"},{"key":"e_1_2_10_5_2","doi-asserted-by":"publisher","DOI":"10.1021\/jp9910993"},{"key":"e_1_2_10_6_2","doi-asserted-by":"publisher","DOI":"10.1021\/j100013a060"},{"key":"e_1_2_10_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/j100048a004"},{"key":"e_1_2_10_8_2","doi-asserted-by":"publisher","DOI":"10.1021\/jp9608483"},{"key":"e_1_2_10_9_2","doi-asserted-by":"publisher","DOI":"10.1021\/ar00147a006"},{"key":"e_1_2_10_10_2","doi-asserted-by":"publisher","DOI":"10.1038\/370263a0"},{"key":"e_1_2_10_11_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.454020"},{"key":"e_1_2_10_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/0301-0104(91)80034-F"},{"key":"e_1_2_10_13_2","doi-asserted-by":"publisher","DOI":"10.1002\/9780470133453.ch1"},{"key":"e_1_2_10_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/0301-0104(94)00100-6"},{"key":"e_1_2_10_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0009-2614(97)00446-6"},{"key":"e_1_2_10_16_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.462280"},{"key":"e_1_2_10_17_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.476766"},{"key":"e_1_2_10_18_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.477164"},{"key":"e_1_2_10_19_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.459617"},{"key":"e_1_2_10_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/1010-6030(92)85064-2"},{"key":"e_1_2_10_21_2","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.physchem.49.1.99"},{"key":"e_1_2_10_22_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0009-2614(02)02001-8"},{"key":"e_1_2_10_23_2","first-page":"737","author":"Kim J.","journal-title":"J. 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