The structure of Cu2+ aqueous solutions

P. S. Salmon; G. W. Neilson; J. E. Enderby

doi:10.1088/0022-3719/21/8/010

The structure of Cu²⁺ aqueous solutions

P. S. Salmon, G. W. Neilson, J. E. Enderby

Research output: Contribution to journal › Article › peer-review

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 r_CuO=1.96+or-0.03 AA and r_CuD=2.54+or-0.03 AA and the hydration number is n_O=3.4+or-0.2. The Cl^- coordination is described by distances r_ClD(1)=2.27+or-0.03 AA and r_CuO=3.25+or-0.05 AA and a hydration number n_D=3.3+or-0.4. In the case of the perchlorate solution a Cu²⁺ near-neighbour distance of r_CuO=1.96+or-0.03 AA is found with n_O=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 language	English
Pages (from-to)	1335-1349
Number of pages	15
Journal	Journal of Physics C: Solid State Physics
Volume	21
Issue number	8
DOIs	https://doi.org/10.1088/0022-3719/21/8/010
Publication status	Published - 20 Mar 1988

ASJC Scopus subject areas

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

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title = "The structure of Cu2+ aqueous solutions",

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.",

author = "Salmon, {P. S.} and Neilson, {G. W.} and Enderby, {J. E.}",

year = "1988",

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doi = "10.1088/0022-3719/21/8/010",

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AU - Salmon, P. S.

AU - Neilson, G. W.

AU - Enderby, J. E.

PY - 1988/3/20

Y1 - 1988/3/20

N2 - 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.

AB - 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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The structure of Cu²⁺ aqueous solutions

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