Inorganic Solid Phases

[La9Sr][(GeO4)5.5(GeO5)0.5]O2 (SrLa9Ge0.5[GeO4]5.5O4.5) Crystal Structure

General Information

  • Phase Label(s): SrLa9Ge0.5[GeO4]5.5O4.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: aP52
  • Space Group: 2
  • Phase Prototype: (Sr0.25La0.75)4La6Ge0.5[GeO4]5.5O4.5
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Australia, Lucas Heights, Australian Nuclear Science and Technology Organisation, HIFAR reactor, HRPD (determination of structural parameters), neutrons; λ = 0.14925 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthogermanate, oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 101 variables, wRP = 0.097; RB = 0.018
  • Sample Detail(s): sample prepared from La2O3, SrCO3, GeO2 (α-quartz), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: SrLa9Ge0.5[GeO4]5.5O4.5
  • Alphabetic Formula: Ge0.5[GeO4]5.5La9O4.5Sr
  • Published Formula: [La9Sr][(GeO4)5.5(GeO5)0.5]O2
  • Refined Formula: Ge6La9O26.50Sr
  • Wyckoff Sequence: 2,i26
  • Z Formula Units: 1
  • Density: ρ = 5.90 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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1219912

  • 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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