Inorganic Solid Phases

Mg0.180Mn2+0.820Mn3+2.000O4 (MgMn2O4 rt) Crystal Structure

General Information

  • Phase Label(s): MgMn2O4 rt
  • Structure Class(es): spinel family
  • Classification by Properties: antiferromagnet AFM, ferrimagnet FiM, ferromagnet FM, intermediate valence, sem
  • Mineral Name(s):
  • Pearson Symbol: tI28
  • Space Group: 141
  • Phase Prototype: CdMn2O4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Siemens P4 (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; composition dependence studied, full-matrix least-squares refinement; 411 reflections, R = 0.0268; wR = 0.0585
  • Sample Detail(s): hausmannite sample from synthetic, sample prepared from MgO, MnO, Mn2O3, electron microprobe analysis; Mg0.180Mn2+0.820Mn3+2.000O4, single crystal (determination of cell parameters), single crystal, 0.160 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg0.18Mn2.82O4
  • Alphabetic Formula: Mg0.18Mn2.82O4
  • Published Formula: Mg0.180Mn2+0.820Mn3+2.000O4
  • Refined Formula: Mg0.17Mn2.83O4
  • Wyckoff Sequence: 141,hcb
  • Z Formula Units: 4
  • Density: ρ = 4.75 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
U [nm2]
Type
Computed
Beq [nm2]

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1224723

  • 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