Inorganic Solid Phases

Fe₂SiO₄ (Fe₂[SiO₄], p = 0.01 GPa) Crystal Structure

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General Information

Phase Label(s): Fe₂[SiO₄]
Structure Class(es): –
Classification by Properties: antiferromagnet AFM, nonmetal
Mineral Name(s): fayalite
Pearson Symbol: oP28
Space Group: 62
Phase Prototype: Mg₂[SiO₄]
Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Mo Kα; λ = 0.071068 nm (determination of cell and structural parameters), p = 0.01 GPa (determination of cell and structural parameters)
Phase Class(es): –
Compound Class(es): orthosilicate
Interpretation Detail(s): complete structure determined; pressure dependence studied, least-squares refinement; 1089 reflections, R = 0.074; wR = 0.072
Sample Detail(s): fayalite sample from unknown, chemical analysis; (Fe_1.84Mn_0.11Mg_0.04)Si_1.01O₄, single crystal (determination of cell and structural parameters)

Substance Summary

Standard Formula: Fe₂[SiO₄]
Alphabetic Formula: Fe₂[SiO₄]
Published Formula: Fe₂SiO₄
Refined Formula: Fe₂O₄Si
Wyckoff Sequence: 62,dc⁴a
Z Formula Units: 4
Density: ρ = 4.39 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_1324248

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 Fe2SiO4 (Fe2[SiO4], p = 0.01 GPa) Crystal Structure sd_1324248 (Springer-Verlag GmbH, Heidelberg, © 2016)

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