Inorganic Solid Phases

Na8Al6Si6O24·SO4·2H2O (KNa6.8Ca0.1Al6[SiO4]6[SO4][H2O]2) Crystal Structure

General Information

  • Phase Label(s): KNa6.8Ca0.1Al6[SiO4]6[SO4][H2O]2
  • Structure Class(es): zeolite CAN
  • Classification by Properties:
  • Mineral Name(s): vishnevite
  • Pearson Symbol: hP66
  • Space Group: 173
  • Phase Prototype: KNa6.8Ca0.1Al6[SiO4]6[SO4][H2O]2
  • Measurement Detail(s): automatic diffractometer; 25 (determination of cell parameters), automatic diffractometer; Syntex P21 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): sulfate, orthosilicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement; 873 reflections; I > 3σ(I), R = 0.037; wR = 0.046
  • Sample Detail(s): vishnevite sample from Russia, Urals, Vishnevye Mountains, electron microprobe analysis; 37.24 wt.% SiO2, 29.64 wt.% Al2O3, 20.08 wt.% Na2O, 4.89 wt.% K2O, 6.97 wt.% SO3, single crystal (determination of cell parameters), single crystal, 0.30 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: KNa6.8Ca0.1Al6[SiO4]6[SO4][H2O]2
  • Alphabetic Formula: Al6Ca0.1[H2O]2KNa6.8[SO4][SiO4]6
  • Published Formula: Na8Al6Si6O24·SO4·2H2O
  • Refined Formula: Al6Ca0.17H3.96K1.07Na6.40O29.82S0.96Si6
  • Wyckoff Sequence: 173,c10ba2
  • Z Formula Units: 1
  • Density: ρ = 2.41 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
U [nm2]
Type
Computed
Beq [nm2]

Anisotropic

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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1617870

  • 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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