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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: 22 Jun 2021 13:55


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