Inorganic Solid Phases

Eu7Cu44−xNixAs23, x= 2 (Cu24Eu7Ni20As23) Crystal Structure

General Information

  • Phase Label(s): Cu24Eu7Ni20As23
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cF296
  • Space Group: 225
  • Phase Prototype: Cu44Eu7As23
  • Measurement Detail(s): automatic diffractometer; 271 (determination of cell parameters), automatic diffractometer; PANalytical X'Pert Powder (determination of structural parameters), X-rays, Cu Kα; λ = 0.15418 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): arsenide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement; 44 variables, RP = 0.0132; wRP = 0.0194; RB = 0.0360
  • Sample Detail(s): sample prepared from Eu, Cu, Ni, As, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Cu42Eu7Ni2As23
  • Alphabetic Formula: As23Cu42Eu7Ni2
  • Published Formula: Eu7Cu44−xNixAs23, x= 2
  • Refined Formula: As23Cu42.02Eu7Ni1.98
  • Wyckoff Sequence: 225,kihf2ecba
  • Z Formula Units: 4
  • Density: ρ = 8.02 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_1041893

  • 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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