Inorganic Solid Phases

La4.4Sr3.6Cu6Fe2O20 (Sr1.6Cu7.2La6.4Fe0.8O20) Crystal Structure

General Information

  • Phase Label(s): Sr1.6Cu7.2La6.4Fe0.8O20
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tP36
  • Space Group: 127
  • Phase Prototype: (Sr0.45La0.55)4Cu3FeO10
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Saclay, Laboratoire Léon Brillouin LLB, ORPHEE reactor, 3T2 (determination of structural parameters), neutrons; λ = 0.12272 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, RP = 0.0544; wRP = 0.0647; RB = 0.0280
  • Sample Detail(s): sample prepared from La2O3, CuO, Fe2O3 (hematite), SrCO3, chemical analysis, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr1.8Cu3La2.2FeO10
  • Alphabetic Formula: Cu3FeLa2.2O10Sr1.8
  • Published Formula: La4.4Sr3.6Cu6Fe2O20
  • Refined Formula: Cu3FeLa2.20O10Sr1.80
  • Wyckoff Sequence: 127,jihg2dcba
  • Z Formula Units: 2
  • Density: ρ = 6.42 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]

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_1110395

  • 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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