Inorganic Solid Phases

1.0 La-substituted Ca10(PO4)6(OH)2; Ca9.25La0.75(PO4)6O0.75(OH)1.25 (Ca4.845La0.155[PO4]3O0.155[OH]0.845) Crystal Structure

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General Information

  • Phase Label(s): Ca4.845La0.155[PO4]3O0.155[OH]0.845
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: hP50
  • Space Group: 176
  • Phase Prototype: Sr1.9(Sr0.8La0.2)2La1.1[(Si0.5P0.5)O4]3F
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 ADVANCE (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): hydroxide, orthophosphate, oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, full-profile refinement, wRP = 0.0571
  • Sample Detail(s): sample prepared from CaHPO4, CaO, La[OH]3, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ca4.625La0.375[PO4]3O0.375[OH]0.625
  • Alphabetic Formula: Ca4.625La0.375O0.375[OH]0.625[PO4]3
  • Published Formula: 1.0 La-substituted Ca10(PO4)6(OH)2; Ca9.25La0.75(PO4)6O0.75(OH)1.25
  • Refined Formula: Ca4.63H0.63La0.38O13P3
  • Wyckoff Sequence: 176,ih5fe
  • Z Formula Units: 2
  • Density: ρ = 3.36 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
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_1726799

  • 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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