Inorganic Solid Phases

Al2(OH)3(H2O)(PO4) (Al2[PO4][OH]3[H2O]) Crystal Structure

General Information

  • Phase Label(s): Al2[PO4][OH]3[H2O]
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): senegalite
  • Pearson Symbol: oP44
  • Space Group: 33
  • Phase Prototype: Al2[PO4][OH]3[H2O]
  • Measurement Detail(s): precession photographs (determination of cell parameters), automatic diffractometer (determination of structural parameters), X-rays (determination of cell parameters), X-rays, Mo Kα1; λ = 0.07093 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, orthophosphate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement; 1288 reflections, R = 0.024; wR = 0.038
  • Sample Detail(s): senegalite sample from Senegal, Komondiako, single crystal (determination of cell parameters), single crystal, 0.104×0.28×0.37 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Al2[PO4][OH]3[H2O]
  • Alphabetic Formula: Al2[H2O][OH]3[PO4]
  • Published Formula: Al2(OH)3(H2O)(PO4)
  • Refined Formula: Al2H5O8P
  • Wyckoff Sequence: 33,a11
  • Z Formula Units: 4
  • Density: ρ = 2.54 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_1615896

  • 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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