Inorganic Solid Phases

Mg(Al,V,Cr)2O4 (MgV0.55Cr1.36Al0.09O4) Crystal Structure

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General Information

  • Phase Label(s): MgV0.55Cr1.36Al0.09O4
  • Structure Class(es): spinel family
  • Classification by Properties: –
  • Mineral Name(s): spinel
  • Pearson Symbol: cF56
  • Space Group: 227
  • Phase Prototype: MgAl2O4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; STOE STADI 4 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 296 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement on F2; I > 2σ(I), R = 0.0238; wR = 0.0307
  • Sample Detail(s): magnesiochromite sample from Russia, South Lake Baikal area, Slyudyanka, electron microprobe analysis; Mg0.990(7)Fe0.005(2)Zn0.007(2)Al0.053(4)V0.142(9)Cr1.804(9)O4, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: MgV0.142Cr1.805Al0.053O4
  • Alphabetic Formula: Al0.053Cr1.805MgO4V0.142
  • Published Formula: Mg(Al,V,Cr)2O4
  • Refined Formula: Al0.05Cr1.81MgO4V0.14
  • Wyckoff Sequence: 227,ecb
  • Z Formula Units: 8
  • Density: ρ = 4.38 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
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1820834

  • 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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