Inorganic Solid Phases

(Ca,Ce)(Nb,Ta,Ti)2O6; (Ca0.75Ce0.25)(Nb0.95Ta0.63Ti0.42)O6 (Ca0.75Ce0.25Ti0.42Ta0.63Nb0.95O6) Crystal Structure

General Information

  • Phase Label(s): Ca0.75Ce0.25Ti0.42Ta0.63Nb0.95O6
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): vigezzite
  • Pearson Symbol: oP36
  • Space Group: 62
  • Phase Prototype: (Ce0.67Nd0.33)(Ti0.5Nb0.5)2O6
  • Measurement Detail(s): automatic diffractometer; 60 (determination of cell parameters), automatic diffractometer; Philips PW1100 (determination of structural parameters), X-rays, Mo Kα; λ = 0.07107 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 488 reflections; I > 3σ(I), R = 0.019; wR = 0.030
  • Sample Detail(s): vigezzite sample from Italy, Alps, Piedmont, Val Vigezzo, single crystal (determination of cell parameters), single crystal, 0.06×0.12×0.17 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Ca0.75Ce0.25Ti0.42Ta0.63Nb0.95O6
  • Alphabetic Formula: Ca0.75Ce0.25Nb0.95O6Ta0.63Ti0.42
  • Published Formula: (Ca,Ce)(Nb,Ta,Ti)2O6; (Ca0.75Ce0.25)(Nb0.95Ta0.63Ti0.42)O6
  • Refined Formula: Ca0.75Ce0.25Nb0.95O6Ta0.63Ti0.42
  • Wyckoff Sequence: 62,d3c3
  • Z Formula Units: 4
  • Density: ρ = 5.72 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
β11 [nm2]
β22 [nm2]
β33 [nm2]
β12 [nm2]
β13 [nm2]
β23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1624051

  • 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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