Inorganic Solid Phases

Sr2PrTaCu2O8 (Sr2Cu2PrTaO8 tet2, T = 9 K) Crystal Structure

General Information

  • Phase Label(s): Sr2Cu2PrTaO8 tet2
  • Structure Class(es): high-Tc cuprate family
  • Classification by Properties: antiferromagnet AFM
  • Mineral Name(s):
  • Pearson Symbol: tI56
  • Space Group: 140
  • Phase Prototype: Ba2Cu2LaNbO8
  • Measurement Detail(s): Guinier-Huber film (determination of cell parameters), automatic diffractometer; Switzerland, Würenlingen, Paul Scherrer Institute, SAPHIR reactor (determination of structural parameters), X-rays, Cu Kα; λ = 0.154056 nm (determination of cell parameters), neutrons; λ = 0.17031 nm (determination of structural parameters), T = 9 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, R = 0.033; RP = 0.044; wRP = 0.064
  • Sample Detail(s): sample prepared from SrCO3, Pr6O11, Ta2O5, CuO, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr2Cu2PrTaO8
  • Alphabetic Formula: Cu2O8PrSr2Ta
  • Published Formula: Sr2PrTaCu2O8
  • Refined Formula: Cu2O7.84PrSr2Ta
  • Wyckoff Sequence: 140,lhgf2cb
  • Z Formula Units: 4
  • Density: ρ = 7.09 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_0560902

  • 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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