The synthesis and characterisation of JBW-type zeolites. Part B: Sodium/rubidium aluminogermanate, Na2Rb Al3Ge3O12 center dot H2O
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).
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Description/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. (C) 2000 Elsevier Science B.V. All rights reserved.
| Item Type: | Article |
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| Related URLs: | |
| Keywords: | aluminogermanate, jbw, ordering, single crystal x-ray, structure structural characterization, x-ray, gallium |
| Subjects: | Q Science Q Science > QD Chemistry |
| Divisions: | University Structure - Pre August 2011 > School of Chemistry |
| Item ID: | 18886 |
| Date Deposited: | 05 Jan 2006 |
| Last Modified: | 01 Jun 2011 13:33 |
| Contributors: | Healey, A. M. (Author) Henry, P. F. (Author) Johnson, G. M. (Author) Weller, M. T. (Author) Webster, M. (Author) Genge, A. J. (Author) |
| Date: | 1 May 2000 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/18886 |
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