Inorganic Solid Phases

Cs8Na16Cu5Ge131 (CsNa2Cu0.625Ge16.375) Crystal Structure

General Information

  • Phase Label(s): CsNa2Cu0.625Ge16.375
  • Structure Class(es): clathrate
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cF160
  • Space Group: 227
  • Phase Prototype: CsNa2Si17
  • Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, multiphase, RP = 0.0476; wRP = 0.0620
  • Sample Detail(s): sample prepared from Ge, Cs, Na, Cu, amounts of Ge (0.92 at.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: CsNa2Cu0.625Ge16.375
  • Alphabetic Formula: CsCu0.625Ge16.375Na2
  • Published Formula: Cs8Na16Cu5Ge131
  • Refined Formula: CsCu0.90Ge16.10Na2
  • Wyckoff Sequence: 227,gecba
  • Z Formula Units: 8
  • Density: ρ = 5.10 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_1928486

  • 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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