Inorganic Solid Phases

Cr1−xCuxMn2O4, x= 0.75(Cu+0.57Mn2+0.43)(Cu2+0.09Cr3+0.125Mn3+0.41Mn4+0.375)2O4 (Cu0.5Cr0.5Mn2O4) Crystal Structure

General Information

  • Phase Label(s): Cu0.5Cr0.5Mn2O4
  • Structure Class(es): spinel family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tI28
  • Space Group: 141
  • Phase Prototype: CdMn2O4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Philips PW1050 (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, RB = 0.053
  • Sample Detail(s): sample prepared from Cr[NO3]3[H2O]9, Mn[NO3]2[H2O]4, Cu[NO3]2[H2O]3, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Cu0.75Cr0.25Mn2O4
  • Alphabetic Formula: Cr0.25Cu0.75Mn2O4
  • Published Formula: Cr1−xCuxMn2O4, x= 0.75(Cu+0.57Mn2+0.43)(Cu2+0.09Cr3+0.125Mn3+0.41Mn4+0.375)2O4
  • Refined Formula: Cr0.25Cu0.75Mn2O4
  • Wyckoff Sequence: 141,hcb
  • Z Formula Units: 4
  • Density: ρ = 5.26 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

Powder Pattern

published defraction line
1/d2 −2]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1817921

  • 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

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