Inorganic Solid Phases

[Pb6.56(H2O,OH)4][(UO2)8O8(OH)6]2 ([UO2]4Pb1.64O4[OH]3.28[H2O]0.72) Crystal Structure

General Information

  • Phase Label(s): [UO2]4Pb1.64O4[OH]3.28[H2O]0.72
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): curite
  • Pearson Symbol: oP88
  • Space Group: 62
  • Phase Prototype: Sr2.82[UO2]8O7.64[OH]6.36[H2O]2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; STOE STADI 2 (determination of structural parameters), X-rays, Mo Kα; λ = 0.0710688 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 1270 reflections; I > 2σ(I), R = 0.043
  • Sample Detail(s): curite sample from synthetic, sample prepared from PbO, UO2[NO3]2[H2O]6, electron microprobe analysis, thermogravimetry; 23.5 wt.% PbO, 72.7 wt.% UO3, 2.7 wt.% H2O, single crystal (determination of cell parameters), single crystal, 0.023×0.035×0.035 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: [UO2]4Pb1.64O4[OH]3.28[H2O]0.72
  • Alphabetic Formula: [H2O]0.72O4[OH]3.28Pb1.64[UO2]4
  • Published Formula: [Pb6.56(H2O,OH)4][(UO2)8O8(OH)6]2
  • Refined Formula: H4.72O16Pb1.64U4
  • Wyckoff Sequence: 62,d6c10a
  • Z Formula Units: 4
  • Density: ρ = 7.57 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
B11 [nm2]
B22 [nm2]
B33 [nm2]
B12 [nm2]
B13 [nm2]
B23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1936093

  • 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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