Inorganic Solid Phases

(UO2)yNa1+x−2yMgxAl11−xO17, x= 2/3, y= 0.10 (Na1.73Mg0.67[UO2]0.10Al10.33O17) Crystal Structure

General Information

  • Phase Label(s): Na1.73Mg0.67[UO2]0.10Al10.33O17
  • Structure Class(es): β"-alumina
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hR177
  • Space Group: 166
  • Phase Prototype: Na1.47(Mg0.33Al0.67)2[UO2]0.10Al9O17
  • Measurement Detail(s): automatic diffractometer; 20 (determination of cell parameters), automatic diffractometer; STOE 4-circle (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 295 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; anharmonic displacement parameters determined, full-matrix least-squares refinement on F2; 56 variables; 2833 reflections; I > 2σ(I), R = 0.0371; wR = 0.0407
  • Sample Detail(s): sample prepared from Na+ β"-alumina, electron microprobe analysis; [UO2]0.10(2)Na1.47Mg0.66(2)Al10.36(8)O17, single crystal (determination of cell parameters), single crystal, 0.08×0.27×0.35 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na1.73Mg0.67[UO2]0.10Al10.33O17
  • Alphabetic Formula: Al10.33Mg0.67Na1.73O17[UO2]0.10
  • Published Formula: (UO2)yNa1+x−2yMgxAl11−xO17, x= 2/3, y= 0.10
  • Refined Formula: Al10.33Mg0.67Na1.73O17.19U0.10
  • Wyckoff Sequence: 166,ih5fc5b
  • Z Formula Units: 3
  • Density: ρ = 3.42 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_1002248

  • 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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