Inorganic Solid Phases

NpyPu1−yO2.0, y= 0.2 (Np0.5Pu0.5O2) Crystal Structure

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General Information

  • Phase Label(s): Np0.5Pu0.5O2
  • Structure Class(es): fluorite family
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: cF12
  • Space Group: 225
  • Phase Prototype: CaF2
  • Measurement Detail(s): diffractometer (determination of cell parameters), X-rays (determination of cell parameters), T = 1000 K (determination of cell parameters)
  • Phase Class(es): –
  • Compound Class(es): oxide
  • Interpretation Detail(s): cell parameters determined and type with fixed coordinates assigned; temperature dependence studied
  • Sample Detail(s): sample prepared from PuO2, NpO2, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: Np0.2Pu0.8O2
  • Alphabetic Formula: Np0.2O2Pu0.8
  • Published Formula: NpyPu1−yO2.0, y= 0.2
  • Refined Formula: Np0.20O2Pu0.80
  • Wyckoff Sequence: 225,ca
  • Z Formula Units: 4
  • Density: ρ = 11.32 Mg·m−3
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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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1611574

  • 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)

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