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The synthesis and characterisation of JBW-type zeolites. Part B: Sodium/rubidium aluminogermanate, Na2Rb Al3Ge3O12 center dot H2O

Record type: Article

An aluminogermanate possessing the zeolite JBW framework topology has been synthesized from a sodium- and rubidium-containing reagent mixture. The material, of composition Na2RbAl3Ge3O12. H2O, has been structurally characterized via single crystal X-ray diffraction, and adopts space group Pmn2(1) with cell parameters a=15.6241(9), b=8.2586(6), and c=5.2442(6) Angstrom. The material possesses a strictly alternating array of framework AlO4 and GeO4 tetrahedra, displaying no evidence of the superlattice observed for the aluminosilicate analogue. Sodium cations reside in the dehydrated six-rings, with rubidium cations and water molecules in the eight-rings. The structural parameters are compared with those derived for other materials possessing JBW topology. (C) 2000 Elsevier Science B.V. All rights reserved.

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Citation

Healey, A. M., Henry, P. F., Johnson, G. M., Weller, M. T., Webster, M. and Genge, A. J. (2000) The synthesis and characterisation of JBW-type zeolites. Part B: Sodium/rubidium aluminogermanate, Na2Rb Al3Ge3O12 center dot H2O Microporous and Mesoporous Materials, 37, (1-2), pp. 165-174. (doi:10.1016/S1387-1811(99)00263-2).

More information

Published date: 1 May 2000
Keywords: aluminogermanate, jbw, ordering, single crystal x-ray, structure structural characterization, x-ray, gallium

Identifiers

Local EPrints ID: 18886
URI: http://eprints.soton.ac.uk/id/eprint/18886
PURE UUID: 311bc290-c586-4904-bad5-45d447dcc93f

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Date deposited: 05 Jan 2006
Last modified: 17 Jul 2017 16:34

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Contributors

Author: A. M. Healey
Author: P. F. Henry
Author: G. M. Johnson
Author: M. T. Weller
Author: M. Webster
Author: A. J. Genge

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