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Issue 31, 2008
From the journal:

Physical Chemistry Chemical Physics

Mercury–fluorine interactions: a matrix isolation investigation of Hg⋯F2, HgF2 and HgF4 in argon matrices

John F. Rooms,a   Antony V. Wilson,a   Ian Harvey,b   Adam J. Bridgemanac  and  Nigel A. Young*a  

* Corresponding authors

a Department of Chemistry, The University of Hull, Kingston upon Hull, UK
E-mail: n.a.young@hull.ac.uk
Fax: 01482 466410
Tel: 01482 465442

b STFC Daresbury Laboratory, Warrington, UK

c School of Chemistry, The University of Sydney, Sydney, Australia

Abstract

HgF2 and Hg have been trapped in dilute F2/Ar and neat F2 matrices, subjected to UV-Vis and vac-UV photolysis and annealing, with the products identified by FTIR, UV-Vis-NIR and Hg L3-edge XAFS spectroscopic techniques. Whilst there was no convincing evidence for the formation of HgF4 under our argon matrix isolation conditions, a new Hg⋯F2 complex was identified and subsequent photolysis yielded HgF2 very cleanly. Hg L3-edge EXAFS has provided the first experimental value of 1.94(2) Å for the Hg–F bond length in HgF2, which is in excellent agreement with the computational values incorporating relativistic effects.

Graphical abstract: Mercury–fluorine interactions: a matrix isolation investigation of Hg⋯F2, HgF2 and HgF4 in argon matrices

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Article information

DOI
https://doi.org/10.1039/B805608K
Article type
Communication
Submitted
03 Apr 2008
Accepted
21 May 2008
First published
23 Jun 2008

Phys. Chem. Chem. Phys., 2008,10, 4594-4605

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Mercury–fluorine interactions: a matrix isolation investigation of Hg⋯F2, HgF2 and HgF4 in argon matrices

J. F. Rooms, A. V. Wilson, I. Harvey, A. J. Bridgeman and N. A. Young, Phys. Chem. Chem. Phys., 2008, 10, 4594 DOI: 10.1039/B805608K

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