Inorganic Solid Phases

Er2(Ti1.5Er0.5)O6.75 (Er2.3Ti1.7O6.85) Crystal Structure

General Information

  • Phase Label(s): Er2.3Ti1.7O6.85
  • Structure Class(es): pyrochlore family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cF96
  • Space Group: 227
  • Phase Prototype: Eu2Zr2O7
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 SMART APEX (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, wR = 0.0794
  • Sample Detail(s): sample prepared from Er2O3, TiO2 rutile, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Er2.5Ti1.5O6.75
  • Alphabetic Formula: Er2.5O6.75Ti1.5
  • Published Formula: Er2(Ti1.5Er0.5)O6.75
  • Refined Formula: Er2.50O6.75Ti1.50
  • Wyckoff Sequence: 227,fdcba
  • Z Formula Units: 8
  • Density: ρ = 7.44 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_1620335

  • 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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