Inorganic Solid Phases

Ba[(UO2)3O3(OH)2]·3H2O (Ba[UO2]3O3[OH]2[H2O]3) Crystal Structure

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General Information

  • Phase Label(s): Ba[UO2]3O3[OH]2[H2O]3
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): protasite
  • Pearson Symbol: mP36
  • Space Group: 7
  • Phase Prototype: Ba[UO2]3O3[OH]2[H2O]3
  • Measurement Detail(s): automatic diffractometer; 37 (determination of cell parameters), automatic diffractometer; Picker (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): hydroxide, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement; 2505 reflections; I > 2.5σ(I), R = 0.073
  • Sample Detail(s): protasite sample from Democratic Republic of Congo (Zaire), Katanga (Shaba), electron microprobe analysis; 15.3 wt.% BaO, 77.9 wt.% UO3, 6.8 wt.% H2O, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ba[UO2]3O3[OH]2[H2O]3
  • Alphabetic Formula: Ba[H2O]3O3[OH]2[UO2]3
  • Published Formula: Ba[(UO2)3O3(OH)2]·3H2O
  • Refined Formula: BaH8O14U3
  • Wyckoff Sequence: 7,a18
  • Z Formula Units: 2
  • Density: ρ = 5.83 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

Displacement Parameters

Isotropic

Site
Published
U [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_1616191

  • 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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