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

The synthesis and characterisation of JBW-type zeolites. Part B: Sodium/rubidium aluminogermanate, Na2Rb Al3Ge3O12 center dot H2O
The synthesis and characterisation of JBW-type zeolites. Part B: Sodium/rubidium aluminogermanate, Na2Rb Al3Ge3O12 center dot H2O
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.
aluminogermanate, jbw, ordering, single crystal x-ray, structurestructural characterization, x-ray, gallium
165-174
Healey, A. M.
af7dc3e9-9f87-45de-9908-71ab3312c4e6
Henry, P. F.
329d2dd7-c37b-44d9-9fc1-6583b36deed2
Johnson, G. M.
f4a4c586-c9a3-4793-a038-cc26039224ae
Weller, M. T.
186aa097-9fd5-4c08-88a1-5359c3318c85
Webster, M.
d49b7fa6-3539-4209-b349-d66c61fb34e2
Genge, A. J.
58c76276-7ce0-42e3-b12e-ae058cb9ab3b
Healey, A. M.
af7dc3e9-9f87-45de-9908-71ab3312c4e6
Henry, P. F.
329d2dd7-c37b-44d9-9fc1-6583b36deed2
Johnson, G. M.
f4a4c586-c9a3-4793-a038-cc26039224ae
Weller, M. T.
186aa097-9fd5-4c08-88a1-5359c3318c85
Webster, M.
d49b7fa6-3539-4209-b349-d66c61fb34e2
Genge, A. J.
58c76276-7ce0-42e3-b12e-ae058cb9ab3b

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), 165-174. (doi:10.1016/S1387-1811(99)00263-2).

Record type: Article

Abstract

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.

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More information

Published date: 1 May 2000
Keywords: aluminogermanate, jbw, ordering, single crystal x-ray, structurestructural 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: 15 Mar 2024 06:08

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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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