Inorganic Solid Phases

β-(Na2O)1.29·11Al2O3, cell content Na2.58Al21.81O34 (NaAl11O17) Crystal Structure

General Information

  • Phase Label(s): NaAl11O17
  • Structure Class(es): β-alumina
  • Classification by Properties: ionic conductor
  • Mineral Name(s): diaoyudaoite
  • Pearson Symbol: hP58
  • Space Group: 194
  • Phase Prototype: NaAl11O17
  • Measurement Detail(s): automatic diffractometer; Picker (determination of structural parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, least-squares refinement on F; 54 variables; 545 reflections, R = 0.0337; wR = 0.0499
  • Sample Detail(s): γ-ray activation analysis; 4.93 wt.% Na, single crystal, 0.18×0.18×0.36 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na1.3Al11O17.15
  • Alphabetic Formula: Al11Na1.3O17.15
  • Published Formula: β-(Na2O)1.29·11Al2O3, cell content Na2.58Al21.81O34
  • Refined Formula: Al11Na1.27O17
  • Wyckoff Sequence: 194,k3h2f3eda
  • Z Formula Units: 2
  • Density: ρ = 3.27 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

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_1100083

  • 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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