Inorganic Solid Phases

Sm4Ga5.24Ge5.76 (Sm4Ga5.25Ge5.75) Crystal Structure

General Information

  • Phase Label(s): Sm4Ga5.25Ge5.75
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oS52
  • Space Group: 65
  • Phase Prototype: Sm4(Ga0.48Ge0.52)11
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 (determination of structural parameters), X-rays, Cu Kα1 (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; 31 variables, RP = 0.0100; wRP = 0.0135; RB = 0.0455
  • Sample Detail(s): sample prepared from Sm, Ga, Ge, energy-dispersive X-ray analysis; Sm4.07Ga5.12Ge5.80; weight loss during preparation < 1 wt.%; amounts of SmGa1.1Ge0.9 (1.3 wt.%) and SmGa0.8Ge2.2 (0.7 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sm4Ga5.24Ge5.76
  • Alphabetic Formula: Ga5.24Ge5.76Sm4
  • Published Formula: Sm4Ga5.24Ge5.76
  • Refined Formula: Ga5.24Ge5.76Sm4
  • Wyckoff Sequence: 65,rqnj2i3
  • Z Formula Units: 2
  • Density: ρ = 7.37 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_1122728

  • 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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