Journal
GLASS PHYSICS AND CHEMISTRY
Volume 39, Issue 4, Pages 420-424Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1087659613040135
Keywords
rho-zeolite; X-ray powder diffraction analysis; distribution of cations; maximum entropy method
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Funding
- Russian Foundation for Basic Research [11-03-92476-MNTI_a]
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We determined the distribution of extra-framework cesium and sodium atoms, as well as water molecules in the cavities of synthetic high-silica (Si/Al = 3.7) (Na, Cs)-rho-zeolite (Cs3.2Na6.7H0.3[Al10.2Si37.8O96] center dot 41H(2)O, Im-3m, a = 14.979(1) ) from X-ray powder diffraction data by applying the Rietveld and the maximum entropy methods. Extra-framework Cs and Na cations are found in alpha-cavities facing eight- and six-membered rings and in the center of the double aromatic ring D8R.
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