Inorganic Solid Phases

K3.73(Nb7.88W0.12)O14(PO4)4(P0.47Nb0.53O4) (K3.75Nb8.38W0.12P0.5[PO4]4O18) Crystal Structure

General Information

  • Phase Label(s): K3.75Nb8.38W0.12P0.5[PO4]4O18
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tP51
  • Space Group: 115
  • Phase Prototype: K(K0.5Na0.5)2Na0.73Nb8[PO4]5O14
  • Measurement Detail(s): automatic diffractometer; 25 (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthophosphate, phosphate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 575 reflections; I > 3σ(I), R = 0.029; wR = 0.026
  • Sample Detail(s): sample prepared from H[NH4]2[PO4], K2CO3, Nb2O5, WO3, energy-dispersive X-ray analysis; K3.73Nb8.41W0.12P4.47O34, single crystal (determination of cell parameters), single crystal, 0.034×0.046×0.070 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K3.75Nb8.38W0.12P0.5[PO4]4O18
  • Alphabetic Formula: K3.75Nb8.38O18P0.5[PO4]4W0.12
  • Published Formula: K3.73(Nb7.88W0.12)O14(PO4)4(P0.47Nb0.53O4)
  • Refined Formula: K3.73Nb8.41O34P4.47W0.12
  • Wyckoff Sequence: 115,l3kj2ihg2dba
  • Z Formula Units: 1
  • Density: ρ = 3.74 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

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_1214206

  • 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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