Inorganic Solid Phases

Cs8Nb10O23☐(Si3O9)2 (Cs4Nb5Si3O20.5) Crystal Structure

General Information

  • Phase Label(s): Cs4Nb5Si3O20.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP66
  • Space Group: 194
  • Phase Prototype: Cs4Nb5Si3O20.5
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Nonius CAD4 (determination of structural parameters), X-rays, Cu Kα1; λ = 0.154059 nm (determination of cell parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 41 variables; 438 reflections; I > 3σ(I), R = 0.038; wR = 0.043
  • Sample Detail(s): sample prepared from CsNO3, Nb2O5, SiO2, electron microprobe analysis; Cs, Nb and Si content analyzed, powder (determination of cell parameters), single crystal, 0.07×0.15×0.23 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Cs4Nb5Si3O20.5
  • Alphabetic Formula: Cs4Nb5O20.5Si3
  • Published Formula: Cs8Nb10O23☐(Si3O9)2
  • Refined Formula: Cs4Nb5O20.50Si3
  • Wyckoff Sequence: 194,k3h2gf2e
  • Z Formula Units: 2
  • Density: ρ = 4.52 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]

Anisotropic

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

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1002276

  • 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