Inorganic Solid Phases

Gd4(Al1.0Ge1.0O7.50.5)O2 (Gd2Al0.5Ge0.5O4.75) Crystal Structure

General Information

  • Phase Label(s): Gd2Al0.5Ge0.5O4.75
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mP32
  • Space Group: 14
  • Phase Prototype: Gd2(Al0.5Ge0.5)O4.75
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, European Synchrotron Radiation Facility ESRF, ID31 (determination of structural parameters), X-rays, Cu Kα1, Cu Kα2 (determination of cell parameters), X-rays, synchrotron; λ = 0.040084(5) nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, wRP = 0.0231
  • Sample Detail(s): sample prepared from Gd2O3, GeO2 (α-quartz), γ-Al2O3, amounts of GdAlO3 (0.6(1) wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Gd2Al0.5Ge0.5O4.75
  • Alphabetic Formula: Al0.5Gd2Ge0.5O4.75
  • Published Formula: Gd4(Al1.0Ge1.0O7.50.5)O2
  • Refined Formula: Al0.46Gd2Ge0.54O4.75
  • Wyckoff Sequence: 14,e8
  • Z Formula Units: 4
  • Density: ρ = 6.80 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_1620559

  • 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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