Inorganic Solid Phases

La₃Cu_5−xTe₇ (Cu_4.86La₃Te₇) Crystal Structure

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General Information

Phase Label(s): Cu_4.86La₃Te₇
Structure Class(es): –
Classification by Properties: –
Mineral Name(s): –
Pearson Symbol: oP88
Space Group: 62
Phase Prototype: Cu_4.86La₃Te₇
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS APEX (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 298(2) K (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): telluride
Interpretation Detail(s): complete structure determined; temperature dependence studied, full-matrix least-squares refinement on F²; 105 variables; 2217 reflections; I > 2σ(I), R = 0.0453; wR = 0.0744
Sample Detail(s): sample prepared from La, Cu, Te, energy-dispersive X-ray analysis; La_20.1Cu_33.3Te_46.6; composition confirmed, single crystal (determination of cell parameters), single crystal, 0.02×0.04×0.06 mm³ (determination of structural parameters)

Substance Summary

Standard Formula: Cu_4.86La₃Te₇
Alphabetic Formula: Cu_4.86La₃Te₇
Published Formula: La₃Cu_5−xTe₇
Refined Formula: Cu_4.86La₃Te₇
Wyckoff Sequence: 62,d¹⁰c²
Z Formula Units: 4
Density: ρ = 6.85 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 U [nm²]	Type	Computed B_eq [nm²]
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Anisotropic

Site	U₁₁ [nm²]	U₂₂ [nm²]	U₃₃ [nm²]	U₁₂ [nm²]	U₁₃ [nm²]	U₂₃ [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_1603984

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 La3Cu5−xTe7 (Cu4.86La3Te7) Crystal Structure sd_1603984 (Springer-Verlag GmbH, Heidelberg, © 2016)

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