Inorganic Solid Phases

Cr₂O₃ (p = 41.05 GPa) Crystal Structure

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General Information

Phase Label(s): Cr₂O₃
Structure Class(es): –
Classification by Properties: antiferromagnet AFM, hard magnet, metal, nonmetal
Mineral Name(s): eskolaite
Pearson Symbol: hR30
Space Group: 167
Phase Prototype: Al₂O₃
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; U.S.A. Illinois, Argonne National Laboratory, Advanced Photon Source, GSECARS, 13-ID-D beamline (determination of structural parameters), X-rays, synchrotron; λ = 0.03344 nm (determination of cell and structural parameters), p = 41.05 GPa (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): oxide
Interpretation Detail(s): complete structure determined; pressure dependence studied, least-squares refinement; 9 variables; 58 reflections, R = 0.0588; wR = 0.1441
Sample Detail(s): sample prepared from Cr₂O₃, single crystal (determination of cell parameters), single crystal, 0.005×0.010×0.020 mm³ (determination of structural parameters)

Substance Summary

Standard Formula: Cr₂O₃
Alphabetic Formula: Cr₂O₃
Published Formula: Cr₂O₃
Refined Formula: Cr₂O₃
Wyckoff Sequence: 167,ec
Z Formula Units: 6
Density: ρ = 6.01 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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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_1225499

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 Cr2O3 (p = 41.05 GPa) Crystal Structure sd_1225499 (Springer-Verlag GmbH, Heidelberg, © 2016)

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