Inorganic Solid Phases

Sr₄(Sr_5/3Nb_7/3)O_11.5V_O0.5 (Sr_2.72Nb_1.28O_5.92) Crystal Structure

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General Information

Phase Label(s): Sr_2.72Nb_1.28O_5.92
Structure Class(es): –
Classification by Properties: –
Mineral Name(s): –
Pearson Symbol: cF88
Space Group: 225
Phase Prototype: Sr₂(Sr_0.897Nb_0.103)NbO_5.654
Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D5005 (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): oxide
Interpretation Detail(s): complete structure determined, Rietveld refinement, wR_P = 0.091; R_B = 0.0281
Sample Detail(s): sample prepared from SrCO₃, Nb₂O₅, powder (determination of cell and structural parameters)

Substance Summary

Standard Formula: Sr_2.83Nb_1.17O_5.75
Alphabetic Formula: Nb_1.17O_5.75Sr_2.83
Published Formula: Sr₄(Sr_5/3Nb_7/3)O_11.5V_O0.5
Refined Formula: Nb_1.17O_5.71Sr_2.83
Wyckoff Sequence: 225,kfba
Z Formula Units: 4
Density: ρ = 5.22 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_1819006

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 Sr4(Sr5/3Nb7/3)O11.5VO0.5 (Sr2.72Nb1.28O5.92) Crystal Structure sd_1819006 (Springer-Verlag GmbH, Heidelberg, © 2016)

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