Issue 4, 2000
From the journal:

Journal of the Chemical Society, Dalton Transactions

An X-ray absorption spectroscopic study at the mercury LIII edge on phenylmercury(II) oxygen species

Wendy J. Jackson,a   Arild Moen,b   Brian K. Nicholson,*a   David G. Nicholson*b  and  Keith A. Portera  

* Corresponding authors

a Department of Chemistry, University of Waikato, Private Bag 3105, Hamilton, New Zealand

b Department of Chemistry, Norwegian University of Science and Technology, Trondheim, Norway

Abstract

The X-ray absorption spectra of the reference and model compounds HgCl2, PhHgCl, PhHgOAc and [(PhHg)2OH][BF4]·H2O have been analysed in both the XANES and EXAFS regions, and the technique was extended to determine the structures of (PhHg)2O, PhHgOH, and the basic salts PhHgOH·PhHgNO3 and PhHgOH·(PhHg)2SO4, which were previously structurally uncharacterised. Results indicate that (PhHg)2O is a molecular species with Hg–O–Hg 135°, while PhHgOH contains the [(PhHg)2OH]+ cation and is better formulated as [(PhHg)2OH]OH. The same cation is also featured in the two basic salts. Electrospray mass spectral studies of PhHgOH in aqueous solutions show that [PhHgOH2]+, [(PhHg)2OH]+ and [(PhHg)3O]+ co-exist in solution in a pH-dependent equilibrium.

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Article information

DOI
https://doi.org/10.1039/A906784A
Article type
Paper
Submitted
20 Aug 1999
Accepted
10 Dec 1999
First published
26 Jan 2000

J. Chem. Soc., Dalton Trans., 2000, 491-498

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An X-ray absorption spectroscopic study at the mercury LIII edge on phenylmercury(II) oxygen species

W. J. Jackson, A. Moen, B. K. Nicholson, D. G. Nicholson and K. A. Porter, J. Chem. Soc., Dalton Trans., 2000, 491 DOI: 10.1039/A906784A

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