Crystallographic Analysis of Ar Ecapsulate within Cs3-A Zeolite
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.6, pp.540-549
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(2002). Crystallographic Analysis of Ar Ecapsulate within Cs3-A Zeolite. , 15(6), 540-549.
Abstract
The arrangement of encapsulated Ar atoms in the molecular-dimensioned cavities of fully dehydrated zeolite A of unit-cell composition $Cs_3Na_8HSi_{12}Al_{12}O_{48}$ ($Cs_3$-A) has been studied crystallographically to probe the confinement effect of guest species in microporous environment. Atoms of Ar were encapsulated in the cavities of $Cs_3$-A by treatment with 410 atm of Ar at $400^{\circ}C$ for two days, followed by cooling at room temperature. The crystal structure of $Cs_3Na_8H$-A(4Ar) ($P_e$
- keywords
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zeolite A,
encapsulation,
argon cluster,
confinement effect