Inorganic Solid Phases

SrAl2(PO4)2F2 (SrAl2[PO4]2F2) Crystal Structure

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General Information

  • Phase Label(s): SrAl2[PO4]2F2
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: oP60
  • Space Group: 19
  • Phase Prototype: Sr[VO]2[AsO4]2
  • Measurement Detail(s): automatic diffractometer; 34 (determination of cell parameters), automatic diffractometer; Siemens AED2 (determination of structural parameters), X-rays, Mo Kα; λ = 0.07109 nm (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): orthophosphate, fluoride
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 137 variables; 2092 reflections; I > 2σ(I), R = 0.0393; wR = 0.108
  • Sample Detail(s): sample prepared from SrF2, Al2O3, H3PO4, energy-dispersive X-ray analysis; amounts of unidentified phase (platelets, transparent), single crystal (determination of cell parameters), single crystal, 0.124×0.133×0.361 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: SrAl2[PO4]2F2
  • Alphabetic Formula: Al2F2[PO4]2Sr
  • Published Formula: SrAl2(PO4)2F2
  • Refined Formula: Al2F2O8P2Sr
  • Wyckoff Sequence: 19,a15
  • Z Formula Units: 4
  • Density: ρ = 3.59 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
B [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_1414880

  • 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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