Abstract

The neutron first-order difference method has been used to determine the Cu2+-D2O and Cl--D2O coordination in 4.32 molal (mol kg-1) CuCl2 and the Cu2+-D2O coordination in 2.00 molal Cu(ClO4)2. In the copper chloride solution the Cu2+ near-neighbour distances are given by rCuO=1.96+or-0.03 AA and rCuD=2.54+or-0.03 AA and the hydration number is nO=3.4+or-0.2. The Cl- coordination is described by distances rClD(1)=2.27+or-0.03 AA and rCuO=3.25+or-0.05 AA and a hydration number nD=3.3+or-0.4. In the case of the perchlorate solution a Cu2+ near-neighbour distance of rCuO=1.96+or-0.03 AA is found with nO=4.1+or-0.3. The observed structure is discussed with reference to the ion-water dynamics and is contrasted with that of Ni2+ aqueous solutions.

Original languageEnglish
Pages (from-to)1335-1349
Number of pages15
JournalJournal of Physics C: Solid State Physics
Volume21
Issue number8
DOIs
Publication statusPublished - 20 Mar 1988

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

The structure of Cu2+ aqueous solutions. / Salmon, P. S.; Neilson, G. W.; Enderby, J. E.

In: Journal of Physics C: Solid State Physics, Vol. 21, No. 8, 20.03.1988, p. 1335-1349.

Research output: Contribution to journalArticle

Salmon, P. S. ; Neilson, G. W. ; Enderby, J. E. / The structure of Cu2+ aqueous solutions. In: Journal of Physics C: Solid State Physics. 1988 ; Vol. 21, No. 8. pp. 1335-1349.
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abstract = "The neutron first-order difference method has been used to determine the Cu2+-D2O and Cl--D2O coordination in 4.32 molal (mol kg-1) CuCl2 and the Cu2+-D2O coordination in 2.00 molal Cu(ClO4)2. In the copper chloride solution the Cu2+ near-neighbour distances are given by rCuO=1.96+or-0.03 AA and rCuD=2.54+or-0.03 AA and the hydration number is nO=3.4+or-0.2. The Cl- coordination is described by distances rClD(1)=2.27+or-0.03 AA and rCuO=3.25+or-0.05 AA and a hydration number nD=3.3+or-0.4. In the case of the perchlorate solution a Cu2+ near-neighbour distance of rCuO=1.96+or-0.03 AA is found with nO=4.1+or-0.3. The observed structure is discussed with reference to the ion-water dynamics and is contrasted with that of Ni2+ aqueous solutions.",
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