Inorganic Solid Phases

τ₁ Ba₈Au₆Si₄₀ (Ba₄Au₃Si₂₀) Crystal Structure

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General Information

Phase Label(s): Ba₄Au₃Si₂₀
Structure Class(es): clathrate
Classification by Properties: metal
Mineral Name(s): –
Pearson Symbol: cP54
Space Group: 223
Phase Prototype: Na₄Si₂₃
Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): silicide
Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement
Sample Detail(s): sample prepared from Ba, Au, Si, electron microprobe analysis; Au_11.3Ba_15.1Si_73.6; weight loss during preparation < 1 wt.%, powder (determination of cell and structural parameters)

Substance Summary

Standard Formula: Ba₄Au₃Si₂₀
Alphabetic Formula: Au₃Ba₄Si₂₀
Published Formula: τ₁ Ba₈Au₆Si₄₀
Refined Formula: Au₃Ba₄Si₂₀
Wyckoff Sequence: 223,kidca
Z Formula Units: 2
Density: ρ = 5.00 Mg·m⁻³

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Crystallographic Data

Cell Parameters

	Published Data	Standardized Data
	Published Data	Unit Cell	Niggli-Reduced Cell
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a
b
c
α
β
γ
a/b
b/c
c/a
V

Atom Coordinates

Standardized

Site	Element	Wyckoff Symbol	Symmetry	X	Y	Z	Occupation	Co-ord. No.	Atomic Env.
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Published

Site	Element	Wyckoff Symbol	Symmetry	X	Y	Z	Occupation
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Experimental Details

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Reference

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3D Interactive Structure

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About this content

Database name

PAULING FILE Multinaries Edition – 2012

Dataset ID

sd_1129718

Copyright

©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016

Chief Editor

Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland

villars.mpds@bluewin.ch

Credits

SpringerMaterials Release 2016.

Project Coordinator: Shuichi Iwata

Section-Editor: Karin Cenzual (Crystal Structures)

Cite this content

Pierre Villars (Chief Editor), PAULING FILE in: Inorganic Solid Phases, SpringerMaterials (online database), Springer, Heidelberg (ed.) SpringerMaterials τ1 Ba8Au6Si40 (Ba4Au3Si20) Crystal Structure sd_1129718 (Springer-Verlag GmbH, Heidelberg, © 2016)

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