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Infrared photodissociation spectroscopy of Mg <sup>+</sup>(H <inf>2</inf>O)Ar <inf>n</inf> complexes: Isomers in progressive microsolvation

Walker, NR and Walters, RS and Tsai, MK and Jordan, KD and Duncan, MA (2005) Infrared photodissociation spectroscopy of Mg <sup>+</sup>(H <inf>2</inf>O)Ar <inf>n</inf> complexes: Isomers in progressive microsolvation. Journal of Physical Chemistry A, 109 (32). 7057 - 7067. ISSN 1089-5639

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Ion-molecule complexes of the form Mg(H 2O)Ar n+ (n = 1-8) are produced by laser vaporization in a pulsed-nozzle cluster source. These complexes are mass-selected and studied with infrared photodissociation spectroscopy in the O-H stretch region. The spectra are interpreted with the aid of ab initio calculations on the n = 1-5 complexes, including examination of various isomeric structures. The combined spectroscopic and theoretical studies reveal the presence of multiple isomeric structures at each cluster size, as the argon atoms assemble around the Mg +(H 2O) unit. Distinct infrared resonances are measured for argon-on-metal, argon-on-OH and argon-on-two-OH isomers. © 2005 American Chemical Society.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Walker, NR
Walters, RS
Tsai, MK
Jordan, KDjordan@pitt.eduJORDAN
Duncan, MA
Centers: Other Centers, Institutes, Offices, or Units > Center for Molecular and Materials Simulations
Date: 18 August 2005
Date Type: Publication
Journal or Publication Title: Journal of Physical Chemistry A
Volume: 109
Number: 32
Page Range: 7057 - 7067
DOI or Unique Handle: 10.1021/jp051877t
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Refereed: Yes
ISSN: 1089-5639
PubMed ID: 16834068
Date Deposited: 29 Oct 2012 21:27
Last Modified: 22 Jun 2021 12:55


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