Inorganic Solid Phases

LaCa2Cu2GaO7 (Ca2Cu2LaGaO7) Crystal Structure

General Information

  • Phase Label(s): Ca2Cu2LaGaO7
  • Structure Class(es): high-Tc cuprate family
  • Classification by Properties: nonmetal
  • Mineral Name(s):
  • Pearson Symbol: oI52
  • Space Group: 46
  • Phase Prototype: Sr2Cu2YGaO7
  • Measurement Detail(s): automatic diffractometer; U.S.A. Illinois, Argonne National Laboratory, Intense Pulsed Neutron Source, SCD (determination of structural parameters), neutrons, time-of-flight (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; diffraction techniques compared, Rietveld refinement; 50 variables, RP = 0.0526; wRP = 0.0739
  • Sample Detail(s): sample prepared from La2O3, CaCO3, CuO, Ga2O3, amounts of LaCaGa3O7 and La1.94Ca1.06Cu2O6.03, powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Ca2Cu2LaGaO7
  • Alphabetic Formula: Ca2Cu2GaLaO7
  • Published Formula: LaCa2Cu2GaO7
  • Refined Formula: Ca2Cu2GaLaO7
  • Wyckoff Sequence: 46,c5b2a
  • Z Formula Units: 4
  • Density: ρ = 5.30 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1904585

  • 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