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The crystal structure of sodium selenite Na 2 SeO 3 from powder diffraction data

✍ Scribed by Helmholdt, R. B.; Sonneveld, E. J.; Schenk, H.

Book ID
119964473
Publisher
Oldenbourg Wissenschaftsverlag
Year
1999
Tongue
English
Weight
352 KB
Volume
214
Category
Article
ISSN
2194-4946

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✦ Synopsis

Abstract

The crystal structure of sodium selenite, Na~2~SeO~3~, has been determined from X-ray powder diffraction data. The direct method package POWSIM has been used to determine the structure. The crystal structure is monoclinic, __P__2~1~/c, Z = 4, a = 4.8963(2) Γ…, b = 9.9849(4) Γ…, c = 6.8391(3) Γ…, Ξ² = 91.994(3)Β° and V = 334.3 Γ…^3^. The final R
~Bragg~ value obtained with Rietveld refinement was 3.3%. The structure consists of [NaO~6~] octahedra and [SeO~3~] pyramids which are linked together through their edges.

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