Inorganic Solid Phases

La0.4Ca2.6Mn2O7; La2−2xCa1+2xMn2O7−d, x= 0.8 (Ca2.5La0.5Mn2O7) Crystal Structure

Get Access CIF Download help (pdf)

General Information

  • Phase Label(s): Ca2.5La0.5Mn2O7
  • Structure Class(es): Ruddlesden-Popper phase
  • Classification by Properties: antiferromagnet AFM, ferromagnet FM, intermediate valence, metal, nonmetal, sem
  • Mineral Name(s): –
  • Pearson Symbol: tI24
  • Space Group: 139
  • Phase Prototype: Sr3Ti2O7
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Scintag PAD-V (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, Rietveld refinement, RP = 0.0749; wRP = 0.1070
  • Sample Detail(s): sample prepared from La2O3, CaCO3, Mn[NO3]2, citric acid, ethylene glycol, iodometric titration; average oxidation state of Mn: +3.77, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ca2.6La0.4Mn2O7
  • Alphabetic Formula: Ca2.6La0.4Mn2O7
  • Published Formula: La0.4Ca2.6Mn2O7; La2−2xCa1+2xMn2O7−d, x= 0.8
  • Refined Formula: Ca2.60La0.40Mn2O7
  • Wyckoff Sequence: 139,ge3ba
  • Z Formula Units: 2
  • Density: ρ = 4.62 Mg·m−3
View 3D Interactive Structure

Cite this page

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_1638794

  • 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

    Download this citation

    Citation copied