Inorganic Solid Phases

(Mg0.43Fe0.58)8(Cr1.19Al0.77Ti0.03)8O32 (Mg0.43Ti0.03Cr1.19Fe0.57Al0.77O4) Crystal Structure

General Information

  • Phase Label(s): Mg0.43Ti0.03Cr1.19Fe0.57Al0.77O4
  • Structure Class(es): spinel family
  • Classification by Properties:
  • Mineral Name(s): magnesiochromite
  • Pearson Symbol: cF56
  • Space Group: 227
  • Phase Prototype: MgAl2O4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Enraf-Nonius (determination of structural parameters), X-rays (determination of cell parameters), X-rays, synchrotron (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 127 reflections, R = 0.057
  • Sample Detail(s): spinel group sample from Moon, chemical analysis; 21.7 wt.% FeO, 47.3 wt.% Cr2O3, 0.87 wt.% TiO2, 20.5 wt.% Al2O3, 9.2 wt.% MgO, 0.41 wt.% MnO, single crystal (determination of cell parameters), single crystal, 0.15×0.15×0.2 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg0.43Ti0.03Cr1.19Fe0.57Al0.77O4
  • Alphabetic Formula: Al0.77Cr1.19Fe0.57Mg0.43O4Ti0.03
  • Published Formula: (Mg0.43Fe0.58)8(Cr1.19Al0.77Ti0.03)8O32
  • Refined Formula: Al0.78Cr1.20Fe0.58Mg0.42O4Ti0.02
  • Wyckoff Sequence: 227,ecb
  • Z Formula Units: 8
  • Density: ρ = 4.74 Mg·m−3

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_1214575

  • 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)

  • Cite this content

    Citation copied