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A neutron powder diffraction study of fully deuterated laumontite

Kenny Stahl and Gilberto Artioli
A neutron powder diffraction study of fully deuterated laumontite
European Journal of Mineralogy (October 1993) 5 (5): 851-856


The crystal structure of fully deuterated laumontite, Ca (sub 4) Al (sub 8) Si (sub 16) O (sub 48) bullet 18D (sub 2) O, has been refined using the Rietveld method (C2/m, Z = 1; a 14.863, b 13.169, c 7.537 Angstrom, beta 110.18 degrees ; 1374 reflections, R (sub F) 0.63%); the specimen was immersed in D (sub 2) O during data collection. Of the four water sites, two are coordinated to Ca while the other two act as bridges between the Ca-coordinated waters through hydrogen bonding. All water sites are disordered to some degree and essentially fully occupied. Local cation and/or water vacancies will disrupt the ordering scheme and result in an average symmetry in agreement with the overall symmetry.

ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 5
Serial Issue: 5
Title: A neutron powder diffraction study of fully deuterated laumontite
Affiliation: University of Lund, Inorganic Chemistry, Lund, Sweden
Pages: 851-856
Published: 199310
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 11
Accession Number: 1993-041695
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables
Secondary Affiliation: University of Milan, ITA, Italy
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 1993
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