Inorganic Solid Phases

SrNa0.2Ta0.8O2.8N0.2 (Na0.2SrTa0.8N0.2O2.8) Crystal Structure

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General Information

  • Phase Label(s): Na0.2SrTa0.8N0.2O2.8
  • Structure Class(es): perovskite
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: tI20
  • Space Group: 140
  • Phase Prototype: SrZrO3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Australia, Lucas Heights, Australian Nuclear Science and Technology Organisation, OPAL reactor, ECHIDNA (determination of structural parameters), neutrons; λ = 0.16215 nm (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 80 reflections, RP = 0.0251; wRP = 0.0325
  • Sample Detail(s): sample prepared from Sr5Ta4O15, Na2CO3, atomic emission spectroscopy, combustion, inductive coupled plasma method; 1.60(5) wt.% Na, 1.0(1) wt.% N, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na0.2SrTa0.8N0.2O2.8
  • Alphabetic Formula: N0.2Na0.2O2.8SrTa0.8
  • Published Formula: SrNa0.2Ta0.8O2.8N0.2
  • Refined Formula: N0.20Na0.19O2.80SrTa0.81
  • Wyckoff Sequence: 140,hcba
  • Z Formula Units: 4
  • Density: ρ = 7.14 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_1723837

  • 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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