Inorganic Solid Phases

Na4(K3.0Na0.50.5)(K2.6Ba0.8)[Ti7.2Nb0.8(O,OH)8][(Mn,Fe)0.25Mg0.05(H2O)0.8][Si4O12]4·8H2O (K2Na1.75Ba0.75Ti3.9Nb0.1Mn0.34Fe0.11Si8O26.25[OH]1.75[H2O]2.7) Crystal Structure

General Information

  • Phase Label(s): K2Na1.75Ba0.75Ti3.9Nb0.1Mn0.34Fe0.11Si8O26.25[OH]1.75[H2O]2.7
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): labuntsovite-Mn
  • Pearson Symbol: mS114
  • Space Group: 12
  • Phase Prototype: K2Na1.75Ba0.75(Ti0.98Nb0.02)4Mn0.34Fe0.11Si8O26.25[OH]1.75[H2O]2.7
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, hydrate
  • Interpretation Detail(s): positions of non-H and part of H atoms determined, full-matrix least-squares refinement; 1318 reflections; F > 3σ(F), R = 0.058
  • Sample Detail(s): labuntsovite sample from Russia, Kola Peninsula, Khibiny massif, Mt. Koashva, sample prepared from labuntsovite, electron microprobe analysis; Na4(K3.0Na0.50.5)(K2.6Ba0.8)(Ti7.2Nb0.8[O,OH]8)[(Mn,Fe)0.25Mg0.05[H2O]0.8][Si4O12]4[H2O]8, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K2.8Na2.25Ba0.4Ti3.6Nb0.4Mn0.08Fe0.07Si8O26.55[OH]1.45[H2O]4.3
  • Alphabetic Formula: Ba0.4Fe0.07[H2O]4.3K2.8Mn0.08Na2.25Nb0.4O26.55[OH]1.45Si8Ti3.6
  • Published Formula: Na4(K3.0Na0.50.5)(K2.6Ba0.8)[Ti7.2Nb0.8(O,OH)8][(Mn,Fe)0.25Mg0.05(H2O)0.8][Si4O12]4·8H2O
  • Refined Formula: Ba0.40Fe0.05H10.04K2.80Mg0.02Mn0.05Na2.28Nb0.40O32.30Si8Ti3.60
  • Wyckoff Sequence: 12,j9i4h2gea
  • Z Formula Units: 2
  • Density: ρ = 2.87 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_1602063

  • 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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