Inorganic Solid Phases

Hg0.5Cr0.5Sr4Cu2O7CO3 (Sr4Cu2Hg0.5Cr0.5[CO3]O7) Crystal Structure

General Information

  • Phase Label(s): Sr4Cu2Hg0.5Cr0.5[CO3]O7
  • Structure Class(es): high-Tc cuprate family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tP80
  • Space Group: 127
  • Phase Prototype: Sr4Cu2Hg0.5Cr0.5[CO3]O7
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, Institut Laue-Langevin ILL, D1A (determination of structural parameters), neutrons; λ = 0.19083 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): carbonate, oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase, RP = 0.038; wRP = 0.048; RB = 0.069
  • Sample Detail(s): sample prepared from Cr2O3, SrCO3, CuO, HgO, amounts of SrCuO2 and Hg0.5Cr0.5Sr2CuO5−d, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr4Cu2Hg0.5Cr0.5[CO3]O7
  • Alphabetic Formula: [CO3]Cr0.5Cu2Hg0.5O7Sr4
  • Published Formula: Hg0.5Cr0.5Sr4Cu2O7CO3
  • Refined Formula: C0.99Cr0.50Cu2Hg0.50O9.97Sr4
  • Wyckoff Sequence: 127,lk5gf2e2dc
  • Z Formula Units: 2
  • 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
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_1219010

  • 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)

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