Inorganic Solid Phases

Na52Au81Si29 (Na26Au40.5Si14.5) Crystal Structure

General Information

  • Phase Label(s): Na26Au40.5Si14.5
  • Structure Class(es): Frank-Kasper phase
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cI162
  • Space Group: 204
  • Phase Prototype: Na26(Na0.67Au0.33)6Au37Sn12
  • Measurement Detail(s): Guinier film (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Cu Kα1 (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicide
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 208 reflections; I > 2σ(I), R = 0.062
  • Sample Detail(s): sample prepared from Na, Au, Si, chemical analysis; composition determined as Na1.5Au2Si, powder (determination of cell parameters), single crystal (determination of structural parameters)

Substance Summary

  • Standard Formula: Na26Au40.5Si14.5
  • Alphabetic Formula: Au40.5Na26Si14.5
  • Published Formula: Na52Au81Si29
  • Refined Formula: Au40.60Na26Si14.40
  • Wyckoff Sequence: 204,hg3fe2a
  • Z Formula Units: 2
  • Density: ρ = 9.91 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_1704787

  • 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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