Inorganic Solid Phases

Al[(UO2)(AsO4)]2F(H2O)20 ([UO2]2Al[AsO4]2F[H2O]20) Crystal Structure

General Information

  • Phase Label(s): [UO2]2Al[AsO4]2F[H2O]20
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): arsenuranospathite
  • Pearson Symbol: oP76
  • Space Group: 34
  • Phase Prototype: [UO2]2Al0.86[PO4]2F0.58[H2O]20.42
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Agilent Technologies Xcalibur (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293(2) K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): arsenate, fluoride, hydrate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 239 variables; 3348 reflections; F > 4σ(F), R = 0.0373
  • Sample Detail(s): arsenuranospathite sample from France, Hérault, Lodève, Rabejec deposit, electron microprobe analysis; (Al1.02Cu0.01)[(U0.98O2)(As0.89P0.08Si0.02S0.01)O4]2F0.77(OH)0.05(H2O)20.18, twinned crystal (determination of cell parameters), twinned crystal, 0.05×0.16×0.17 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: [UO2]2Al[AsO4]2F[H2O]20
  • Alphabetic Formula: [AsO4]2Al[H2O]20F[UO2]2
  • Published Formula: Al[(UO2)(AsO4)]2F(H2O)20
  • Refined Formula: Al0.98As1.92H42O33U2
  • Wyckoff Sequence: 34,c18ba
  • Z Formula Units: 2
  • Density: ρ = 2.65 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]

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_1239019

  • 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