Inorganic Solid Phases

Sr8La2(PO4)3.5(SiO4)2(BO4)0.5BO2 (Sr7La3[SiO4]3B1.5[PO4]2.5O4) Crystal Structure

General Information

  • Phase Label(s): Sr7La3[SiO4]3B1.5[PO4]2.5O4
  • Structure Class(es): apatite family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP43
  • Space Group: 147
  • Phase Prototype: Na0.2Sr9.4B[PO4]6O2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku D/MAX-2400 (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthophosphate, orthosilicate, borate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, RP = 0.0719; wRP = 0.0821
  • Sample Detail(s): sample prepared from SrCO3, La2O3, H2SiO3, [NH4]2HPO4, H3BO3, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr8La2[SiO4]2B1.5[PO4]3.5O4
  • Alphabetic Formula: B1.5La2O4[PO4]3.5[SiO4]2Sr8
  • Published Formula: Sr8La2(PO4)3.5(SiO4)2(BO4)0.5BO2
  • Refined Formula: B1.50La2O26P3.50Si2Sr8
  • Wyckoff Sequence: 147,g6d2ca
  • Z Formula Units: 1
  • Density: ρ = 4.45 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1242433

  • 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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