Inorganic Solid Phases

Ho₂Zr₂O₇ (Ho_0.5Zr_0.5O_1.75) Crystal Structure

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General Information

Phase Label(s): Ho_0.5Zr_0.5O_1.75
Structure Class(es): fluorite family
Classification by Properties: –
Mineral Name(s): –
Pearson Symbol: cF12
Space Group: 225
Phase Prototype: CaF₂
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Australia, Lucas Heights, Australian Nuclear Science and Technology Organisation, OPAL reactor, ECHIDNA (determination of structural parameters), neutrons; λ = 0.1299 nm (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): oxide
Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, R_P = 0.0514; wR_P = 0.0659
Sample Detail(s): sample prepared from ZrO₂, Ho₂O₃, powder (determination of cell and structural parameters)

Substance Summary

Standard Formula: Ho_0.5Zr_0.5O_1.75
Alphabetic Formula: Ho_0.5O_1.75Zr_0.5
Published Formula: Ho₂Zr₂O₇
Refined Formula: Ho_0.50O_1.75Zr_0.50
Wyckoff Sequence: 225,ca
Z Formula Units: 4
Density: ρ = 7.28 Mg·m⁻³

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Crystallographic Data

Cell Parameters

	Published Data	Standardized Data
	Published Data	Unit Cell	Niggli-Reduced Cell
Space Group	Content available to subscribers To view content, please Log in, contact your Springer representative, or get a free trial
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

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_1225587

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 Ho2Zr2O7 (Ho0.5Zr0.5O1.75) Crystal Structure sd_1225587 (Springer-Verlag GmbH, Heidelberg, © 2016)

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