Inorganic Solid Phases

Rb8Sn44 (Rb4Sn22 ht, T = 440 K) Crystal Structure

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General Information

  • Phase Label(s): Rb4Sn22 ht
  • Structure Class(es): –
  • Classification by Properties: semiconductor
  • Mineral Name(s): –
  • Pearson Symbol: cP78
  • Space Group: 223
  • Phase Prototype: Cs4Sn22
  • Measurement Detail(s): automatic diffractometer; Japan, Hyogo, Japan Synchrotron Radiation Research Institute, SPring-8, BL02B2 (determination of structural parameters), X-rays, synchrotron; λ = 0.0432650 nm (determination of structural parameters), T = 440 K (determination of structural parameters)
  • Phase Class(es): –
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, multiphase; 69 variables, RP = 0.089; wRP = 0.078; RB = 0.028
  • Sample Detail(s): sample prepared from Rb, Sn, amounts of β-Sn (24.5 wt.%), powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Rb4Sn22
  • Alphabetic Formula: Rb4Sn22
  • Published Formula: Rb8Sn44
  • Refined Formula: Rb4Sn22.06
  • Wyckoff Sequence: 223,k2idca
  • Z Formula Units: 2
  • Density: ρ = 5.56 Mg·m−3
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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]

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_1716106

  • 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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