Inorganic Solid Phases

K8Ga8Sn38, type-I clathrate (K4Ga4Sn19, T = 300 K) Crystal Structure

General Information

  • Phase Label(s): K4Ga4Sn19
  • Structure Class(es): clathrate
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cP54
  • Space Group: 223
  • Phase Prototype: Na4Si23
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku R-AXIS RAPID S (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 300 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, least-squares refinement, R = 0.0098; wR = 0.0119
  • Sample Detail(s): sample prepared from K, Ga, Sn, electron microprobe analysis; K8.0Ga7.8(2)Sn37.9(2), single crystal (determination of cell parameters), single crystal, 0.1 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: K4Ga4Sn19
  • Alphabetic Formula: Ga4K4Sn19
  • Published Formula: K8Ga8Sn38, type-I clathrate
  • Refined Formula: Ga3.99K4Sn19.01
  • Wyckoff Sequence: 223,kidca
  • Z Formula Units: 2
  • Density: ρ = 5.21 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_1930618

  • 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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