Inorganic Solid Phases

MgSiO3 (p = 9.6 GPa) Crystal Structure

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General Information

  • Phase Label(s): MgSiO3 hp2
  • Structure Class(es): perovskite
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: oP20
  • Space Group: 62
  • Phase Prototype: GdFeO3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Syntex P21 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071068 nm (determination of cell and structural parameters), p = 9.6 GPa (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined; pressure dependence studied, least-squares refinement; 55 reflections, R = 0.087; wR = 0.067
  • Sample Detail(s): electron microprobe analysis; 59.42 wt.% SiO2, 0.03 wt.% TiO2, 0.33 wt.% Al2O3, 0.06 wt.% FeO, 40.23 wt.% MgO, 0.02 wt.% CaO, 0.02 wt.% Na2O, 0.01 wt.% K2O, 0.03 wt.% Cr2O3, 0.12 wt.% V2O3, 0.15 wt.% P2O5, single crystal (determination of cell parameters), single crystal, 0.031×0.038×0.050 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: MgSiO3
  • Alphabetic Formula: MgO3Si
  • Published Formula: MgSiO3
  • Refined Formula: MgO3Si
  • Wyckoff Sequence: 62,dc2a
  • Z Formula Units: 4
  • Density: ρ = 4.26 Mg·m−3
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Crystallographic Data

Cell Parameters

Published Data
Standardized Data
Unit Cell
Niggli-Reduced Cell
Space Group
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.

Published

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation

Displacement Parameters

Isotropic

Site
Published
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1324183

  • 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.

    Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS

    All Rights Reserved. Version 2016.10.

    Project Coordinator: Shuichi Iwata

    Section-Editor: Karin Cenzual (Crystal Structures)

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