Record link: 
http://hdl.handle.net/20.500.12708/205814
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Title: 
Ilmenite-type Na₂(Fe₂/₃Te₄/₃)O₆
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Citation: 
Eder, F., & Weil, M. (2024). Ilmenite-type Na₂(Fe₂/₃Te₄/₃)O₆. IUCrData, 9(Pt 5), Article x240482. https://doi.org/10.1107/S2414314624004826
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Publisher DOI: 
10.1107/S2414314624004826
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Publication Type: 
Article - Original Research Article
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Language: 
English
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Authors: 
Eder, Felix 
Weil, Matthias 
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Organisational Unit: 
E164-05-1 - Forschungsgruppe Experimentelle Strukturchemie 
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Journal: 
IUCrData 
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Date (published): 
May-2024
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Number of Pages: 
5
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Publisher: 
International Union of Crystallography
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Peer reviewed: 
Yes
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Keywords: 
close-packed structure; crystal structure; isotypism; mixed occupancy
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Abstract: 
Na₂(Fe₂/₃Te₄/₃)O₆ (Z = 3) or Na₃(FeTe₂)O₉ (Z = 2), tris-odium iron(III) ditellurium(VI) nona-oxide, adopts the ilmenite (FeTiO₃, Z = 6) structure type with the Ti site (site symmetry 3.) replaced by Na and the Fe site (site symmetry 3.) replaced by a mixed-occupied (FeIII,TeVI) site in a Fe:Te ratio of 1:2. Whereas the [(Fe,Te)O₆] octa-hedron is only slightly distorted, the [NaO₆] octa-hedron shows much stronger distortions, as revealed by a larger spread of the bond lengths and some distortion parameters.
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Research facilities: 
Röntgenzentrum 
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Research Areas: 
Materials Characterization: 100%
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Science Branch: 
1040 - Chemie: 100%
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