Inorganic Solid Phases

La7.99Sr2Ge5.58V0.42O26.20, La8Sr2Ge6−xVxO26+x/2, x= 0.5 (SrLa4V0.25Ge2.75O13.125) Crystal Structure

General Information

  • Phase Label(s): SrLa4V0.25Ge2.75O13.125
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oP28
  • Space Group: 62
  • Phase Prototype: CaMg[SiO4]
  • Measurement Detail(s): automatic diffractometer; Australia, Lucas Heights, Australian Nuclear Science and Technology Organisation, OPAL reactor, ECHIDNA (determination of structural parameters), neutrons; λ = 0.1622 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement; 45 variables, RP = 0.0352; wRP = 0.0440; RB = 0.0165
  • Sample Detail(s): sample prepared from La2O3, GeO2 (α-quartz), SrCO3, V2O5, amounts of amorphous phase (1.5 wt.%), powder (determination of structural parameters)

Substance Summary

  • Standard Formula: SrLa4V0.25Ge2.75O13.125
  • Alphabetic Formula: Ge2.75La4O13.125SrV0.25
  • Published Formula: La7.99Sr2Ge5.58V0.42O26.20, La8Sr2Ge6−xVxO26+x/2, x= 0.5
  • Refined Formula: Ge2.79La3.99O13SrV0.21
  • Wyckoff Sequence: 176,ih4fa
  • Z Formula Units: 2
  • Density: ρ = 5.68 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]

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_1022085

  • 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

    Citation copied