Surface and intercalate chemistry of layered silicates. Part III. X-Ray investigation of tetrahydropyran and 1,4-dioxan intercalates of montmorillonite
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 20,p. 2286-2288
- https://doi.org/10.1039/dt9740002286
Abstract
Electron-density maps of intercalates of sodium- and strontium-exchanged montmorillonites show that both the interlamellar tetrahydropyran, (I), and 1,4-dioxan molecules, (II), are oriented essentially perpendicular to the aluminosilicate layers. The number of organic molecules per formula unit of silicate [idealised Al4Si8O20(OH)4] lies between 1·0 and 1·3. It is also demonstrated that changes in basal spacings, used alone, yield misleading information concerning the orientation taken up by the organic guest species.Keywords
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