The solute and aquaion structure in a concentrated aqueous solution of copper(II) chloride
- 20 February 1995
- journal article
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 7 (8) , 1513-1524
- https://doi.org/10.1088/0953-8984/7/8/002
Abstract
Neutron diffraction experiments were carried out on isotopically labelled copper chloride (CuCl2) salt in a 4 molal aqueous solution. The first- and second-order isotopic difference methods were used to obtain structural information on the hydration structure of the Cu2+ and Cl- ions and to calculate the pair distribution functions gCuCl(r) and gClCl(r) The results confirm the highly distorted nearest-neighbour coordination of Cu2+, and give direct evidence that Cu-Cl contacts exist over a range 2.3ClCl(r) gives consistent information with that of gCuCl(r) and shows that direct contacts also exist between Cl- ions, over the range 2.8<or=r (AA)<or=4.2.Keywords
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