Inorganic Solid Phases

NaW2O6·nH2O (Na0.5WO3[H2O]0.5, T = 10 K) Crystal Structure

General Information

  • Phase Label(s): Na0.5WO3[H2O]0.5
  • Structure Class(es): pyrochlore family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cF112
  • Space Group: 227
  • Phase Prototype: K0.6Bi1.2O2.5[OH]0.9
  • 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 = 0.16649 nm (determination of cell and structural parameters), T = 10 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide, hydrate
  • Interpretation Detail(s): positions of non-H and part of H atoms determined, Rietveld refinement, multiphase, RP = 0.0177; wRP = 0.0234; RB = 0.1621
  • Sample Detail(s): powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na0.5WO3[H2O]0.5
  • Alphabetic Formula: [H2O]0.5Na0.5O3W
  • Published Formula: NaW2O6·nH2O
  • Refined Formula: H0.80Na0.42O3.49W
  • Wyckoff Sequence: 227,fedc
  • Z Formula Units: 16
  • Density: ρ = 6.07 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_1213689

  • 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)

  • Cite this content

    Citation copied