Inorganic Solid Phases

Na(V3−xNbx)Nb6O14, x= 1.5 (NaNb7.5V1.5O14) Crystal Structure

General Information

  • Phase Label(s): NaNb7.5V1.5O14
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP48
  • Space Group: 176
  • Phase Prototype: NaNb6(Nb0.5V0.5)3O14
  • Measurement Detail(s): Guinier film (determination of cell parameters), automatic diffractometer; Syntex P21 (determination of structural parameters), X-rays (determination of cell parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 48 variables; 378 reflections; I > 3σ(I), R = 0.0288; wR = 0.0267
  • Sample Detail(s): sample prepared from NaNbO3, NbO2, NbO, VO2, NaF, chemical analysis; Na4.28Nb31.55O57.78V6.38; Na, Nb and V content analyzed; composition determined as NaV1.5Nb7.5O14; multi-phase sample, powder (determination of cell parameters), single crystal, 0.03×0.1×0.1 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: NaNb7.5V1.5O14
  • Alphabetic Formula: NaNb7.5O14V1.5
  • Published Formula: Na(V3−xNbx)Nb6O14, x= 1.5
  • Refined Formula: NaNb7.46O14V1.54
  • Wyckoff Sequence: 176,i2hgf2da
  • Z Formula Units: 2
  • Density: ρ = 5.94 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

Displacement Parameters

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
2U12 [nm2]
2U13 [nm2]
2U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1706917

  • 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

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