Inorganic Solid Phases

[Na3.19K0.27Ba0.11][Ce0.42La0.30Nd0.10Pr0.04Sm0.02Sr0.53Ca0.19Th0.12](Ti0.86Nb0.06Mn0.05Fe0.02)(OH)2(Si8O18)[O2.22(OH)0.81F0.84]·5H2O (K0.3Na3.2Sr0.9La0.3Ce0.6TiSi8O20.2[OH]2.8F0.8[H2O]5) Crystal Structure

General Information

  • Phase Label(s): K0.3Na3.2Sr0.9La0.3Ce0.6TiSi8O20.2[OH]2.8F0.8[H2O]5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): seidite
  • Pearson Symbol: mS176
  • Space Group: 15
  • Phase Prototype: K0.3Na3.2Sr0.9La0.3Ce0.6TiSi8O20.2[OH]2.8F0.8[H2O]5
  • Measurement Detail(s): Guinier-de Wolff film (determination of cell and structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, fluoride, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, trial-and-error
  • Sample Detail(s): seidite sample from Russia, Kola Peninsula, Lovozero massif, Mt. Karnasurt, chemical analysis; (Na3.19K0.27Ba0.11)(Ce0.42La0.30Nd0.10Pr0.04Sm0.02Sr0.53Ca0.19Th0.12)(Ti0.86Nb0.06Mn0.05Fe0.02)[OH]2(Si8O18)[O2.22[OH]0.81F0.84][H2O]5, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K0.3Na3.2Sr0.9La0.3Ce0.6TiSi8O20.2[OH]2.8F0.8[H2O]5
  • Alphabetic Formula: Ce0.6F0.8[H2O]5K0.3La0.3Na3.2O20.2[OH]2.8Si8Sr0.9Ti
  • Published Formula: [Na3.19K0.27Ba0.11][Ce0.42La0.30Nd0.10Pr0.04Sm0.02Sr0.53Ca0.19Th0.12](Ti0.86Nb0.06Mn0.05Fe0.02)(OH)2(Si8O18)[O2.22(OH)0.81F0.84]·5H2O
  • Refined Formula: Ba0.11Ca0.19Ce0.43F0.85Fe0.02H12.81K0.28La0.44Mn0.05Na3.17Nb0.06O28.03Si8Sr0.53Th0.12Ti0.87
  • Wyckoff Sequence: 15,f20e2cb
  • Z Formula Units: 4
  • Density: ρ = 2.68 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

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_1220552

  • 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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