Inorganic Solid Phases

Ba2Mg6Al28O50, Ba1.84Mg5.0Al28.8O50 (Ba0.92Mg2.5Al14.4O25) Crystal Structure

General Information

  • Phase Label(s): Ba0.92Mg2.5Al14.4O25
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP88
  • Space Group: 187
  • Phase Prototype: BaMg3Al14O25
  • Measurement Detail(s): automatic diffractometer; 20 (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα1; λ = 0.070926 nm (determination of cell parameters), X-rays, Mo Kα; λ = 0.071068 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 705 reflections; I > 3σ(I), R = 0.048; wR = 0.063
  • Sample Detail(s): sample prepared from BaCO3, MgO, Al2O3, electron microprobe analysis; Ba1.84Mg5.0Al28.8O50, single crystal (determination of cell parameters), single crystal, 0.11 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: Ba0.92Mg2.5Al14.4O25
  • Alphabetic Formula: Al14.4Ba0.92Mg2.5O25
  • Published Formula: Ba2Mg6Al28O50, Ba1.84Mg5.0Al28.8O50
  • Refined Formula: Al14.10Ba0.94Mg2.50O25
  • Wyckoff Sequence: 187,n9ki5h4g5fca
  • Z Formula Units: 2
  • Density: ρ = 3.68 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
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1613669

  • 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

    Citation copied