Electron spin–echo study of the cupric ion location in hydrated A-type zeolites
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 77 (10) , 2567-2574
- https://doi.org/10.1039/f19817702567
Abstract
An electron spin–echo modulation study of partially cupric ion exchanged A-type zeolites in the hydrated state shows that the cupric ions are preferentially adsorbed in site S2 where they are solvated by two water molecules with a Cu—O distance of 0.20 nm. S2 is a hexagonal interior face between the α- and β-cages. One solvating water is in the β-cage and one is in the α-cage. 27Al modulation in the spin–echo envelope was also detected but the modulation pattern could only be qualitatively interpreted due to a large quadrupole interaction.Keywords
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