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Lowest energy electronic transition in aqueous Cl <sup>-</sup> Salts: Cl <sup>-</sup> → (H <inf>2</inf>O) <inf>6</inf> charge transfer transition

Xiong, K and Asher, SA (2011) Lowest energy electronic transition in aqueous Cl <sup>-</sup> Salts: Cl <sup>-</sup> → (H <inf>2</inf>O) <inf>6</inf> charge transfer transition. Journal of Physical Chemistry A, 115 (34). 9345 - 9348. ISSN 1089-5639

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We use UV resonance Raman spectroscopy to probe the lowest energy allowed electronic transitions of aqueous solutions containing Cl salts. We show that the waters hydrating the Cl are involved in charge transfer transitions that transfer electron density from Cl to the water molecules. These charge transfer transitions cause significant change in the H-O-H bond angle in the excited state, which results in a strong enhancement of the preresonance Raman intensity of the water bending modes. Our work gives the first insight into the lowest allowed electronic transition of hydrated Cl . © 2010 American Chemical Society. - - - -


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Xiong, K
Asher, SAasher@pitt.eduASHER
Date: 1 September 2011
Date Type: Publication
Journal or Publication Title: Journal of Physical Chemistry A
Volume: 115
Number: 34
Page Range: 9345 - 9348
DOI or Unique Handle: 10.1021/jp1085729
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Refereed: Yes
ISSN: 1089-5639
MeSH Headings: Chemistry, Physical; Chlorides--chemistry; Electron Transport; Electrons; Salts--chemistry; Solutions; Spectrum Analysis, Raman; Static Electricity; Thermodynamics; Water--chemistry
Other ID: NLM NIHMS254723, NLM PMC3135744
PubMed Central ID: PMC3135744
PubMed ID: 21105675
Date Deposited: 13 Feb 2013 16:16
Last Modified: 30 Mar 2021 13:55


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