Inorganic Solid Phases

Pb1−xSrxBi2Nb2O9, x=0.250 (Sr0.5Nb2Pb0.5Bi2O9) Crystal Structure

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General Information

  • Phase Label(s): Sr0.5Nb2Pb0.5Bi2O9
  • Structure Class(es): Sillén-Aurivillius phase
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: oS56
  • Space Group: 36
  • Phase Prototype: CaNb2Bi2O9
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Australia, Lucas Heights, Australian Nuclear Science and Technology Organisation, HIFAR reactor, HRPD (determination of structural parameters), neutrons; λ = 0.1883 nm (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, RP = 0.0562; wRP = 0.0780
  • Sample Detail(s): sample prepared from SrCO3, PbO, Bi2O3, Nb2O5, EDAX analysis; no significant variation from stoichiometry, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Sr0.250Nb2Pb0.750Bi2O9
  • Alphabetic Formula: Bi2Nb2O9Pb0.750Sr0.250
  • Published Formula: Pb1−xSrxBi2Nb2O9, x=0.250
  • Refined Formula: Bi2.01Nb2O9Pb0.75Sr0.24
  • Wyckoff Sequence: 36,b6a2
  • Z Formula Units: 4
  • Density: ρ = 7.97 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1520070

  • 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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