Inorganic Solid Phases

AlPO4; AlPO-18 (Al0.5P0.5O2 -18, T = 260 K) Crystal Structure

General Information

  • Phase Label(s): Al0.5P0.5O2 -18
  • Structure Class(es): zeolite AEI
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oS144
  • Space Group: 63
  • Phase Prototype: (Al0.5P0.5)O2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, European Synchrotron Radiation Facility ESRF, ID31 (determination of structural parameters), X-rays, synchrotron; λ = 0.080007 nm (determination of cell and structural parameters), T = 260 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): phosphate
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, RP = 0.1303; wRP = 0.1474; RB = 0.0329
  • Sample Detail(s): sample prepared from Al2O3[H2O]1.9, H3PO4, tetraethylammonium hydroxide, HCl, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Al0.5P0.5O2
  • Alphabetic Formula: Al0.5O2P0.5
  • Published Formula: AlPO4; AlPO-18
  • Refined Formula: Al0.50O2P0.50
  • Wyckoff Sequence: 63,h7gf2e
  • Z Formula Units: 48
  • Density: ρ = 1.50 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1628449

  • 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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