Inorganic Solid Phases

Ge₁₂Sb₂Te₁₂Se₃ (Ge_0.7Sb_0.2Te_0.5Se_0.5 ht) Crystal Structure

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General Information

Phase Label(s): Ge_0.7Sb_0.2Te_0.5Se_0.5 ht
Structure Class(es): rocksalt family
Classification by Properties: –
Mineral Name(s): –
Pearson Symbol: cF8
Space Group: 225
Phase Prototype: NaCl
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Huber G670 (determination of structural parameters), X-rays, Cu Kα₁; λ = 0.1540596 nm (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): selenide, telluride
Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, R_P = 0.0251; wR_P = 0.0356; R_B = 0.0068
Sample Detail(s): sample prepared from Ge, Sb, Te, Se, powder (determination of cell and structural parameters)

Substance Summary

Standard Formula: Ge_0.8Sb_0.133Te_0.8Se_0.2
Alphabetic Formula: Ge_0.8Sb_0.133Se_0.2Te_0.8
Published Formula: Ge₁₂Sb₂Te₁₂Se₃
Refined Formula: Ge_0.80Sb_0.13Se_0.20Te_0.80
Wyckoff Sequence: 225,ba
Z Formula Units: 4
Density: ρ = 6.04 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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Displacement Parameters

Isotropic

Site	Published B [nm²]	Type	Computed B_eq [nm²]
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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_1031344

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 Ge12Sb2Te12Se3 (Ge0.7Sb0.2Te0.5Se0.5 ht) Crystal Structure sd_1031344 (Springer-Verlag GmbH, Heidelberg, © 2016)

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