Inorganic Solid Phases

Tl0.5Pb0.5Sr2Gd2−xCexCu2O9−d, x= 0 or Tl0.5Pb0.5Sr2Gd2−xCexCu2O8.75+x/2 (Sr2Cu2Tl0.5Gd2Pb0.5O8.75) Crystal Structure

General Information

  • Phase Label(s): Sr2Cu2Tl0.5Gd2Pb0.5O8.75
  • Structure Class(es): high-Tc cuprate family
  • Classification by Properties: semiconductor
  • Mineral Name(s):
  • Pearson Symbol: tI38
  • Space Group: 139
  • Phase Prototype: Ba2Cu2Tl(Ce0.25Eu0.75)2O9
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Seifert (determination of structural parameters), X-rays, Cu Kα1 (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, RP = 0.0472; wRP = 0.0599; RB = 0.0771
  • Sample Detail(s): sample prepared from Gd2Sr2Cu2Oy, Tl2O3, PbO2, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr2Cu2Tl0.5Gd2Pb0.5O8.75
  • Alphabetic Formula: Cu2Gd2O8.75Pb0.5Sr2Tl0.5
  • Published Formula: Tl0.5Pb0.5Sr2Gd2−xCexCu2O9−d, x= 0 or Tl0.5Pb0.5Sr2Gd2−xCexCu2O8.75+x/2
  • Refined Formula: Cu2Gd2O9Pb0.50Sr2Tl0.50
  • Wyckoff Sequence: 139,ige4db
  • Z Formula Units: 2
  • Density: ρ = 7.34 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1625106

  • 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