Inorganic Solid Phases

Ba8As5Au (Ba4Au0.5As2.5) Crystal Structure

General Information

  • Phase Label(s): Ba4Au0.5As2.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cI28
  • Space Group: 220
  • Phase Prototype: Th3P4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS SMART APEX (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): arsenide
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 7 variables; 349 reflections, R = 0.033; wR = 0.053
  • Sample Detail(s): sample prepared from BaAs, Ba, Au, single crystal (determination of cell parameters), single crystal, 0.15×0.20×0.25 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Ba4Au0.5As2.5
  • Alphabetic Formula: As2.5Au0.5Ba4
  • Published Formula: Ba8As5Au
  • Refined Formula: As2.50Au0.50Ba4
  • Wyckoff Sequence: 220,ca
  • Z Formula Units: 4
  • Density: ρ = 5.61 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

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1810022

  • 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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