Inorganic Solid Phases

Ba6Na2Nb2P2O17 (Na2Ba6Nb2[PO4]2O9) Crystal Structure

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General Information

  • Phase Label(s): Na2Ba6Nb2[PO4]2O9
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: hP29
  • Space Group: 164
  • Phase Prototype: Na2Ba6Nb2[PO4]2O9
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; United Kingdom, Chilton-Didcot, Rutherford Appleton Laboratory, ISIS Facility, POLARIS (determination of structural parameters), X-rays, Co Kα1; λ = 0.178901 nm (determination of cell parameters), neutrons, time-of-flight (determination of structural parameters)
  • Phase Class(es): –
  • Compound Class(es): orthophosphate, oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 95 variables, RP = 0.0367; wRP = 0.0350
  • Sample Detail(s): sample prepared from BaCO3, Na2CO3, Nb2O5, [NH4]2HPO4, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na2Ba6Nb2[PO4]2O9
  • Alphabetic Formula: Ba6Na2Nb2O9[PO4]2
  • Published Formula: Ba6Na2Nb2P2O17
  • Refined Formula: Ba6Na2Nb2O17P2
  • Wyckoff Sequence: 164,i2ed5cba
  • Z Formula Units: 1
  • Density: ρ = 5.42 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_1124016

  • 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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