Inorganic Solid Phases

Na6K2Si6Al6O24(SO4)·2H2O (K9Na15Al18Si18[SO4]2O72[OH]2[H2O]7.4) Crystal Structure

General Information

  • Phase Label(s): K9Na15Al18Si18[SO4]2O72[OH]2[H2O]7.4
  • Structure Class(es): zeolite CAN
  • Classification by Properties:
  • Mineral Name(s): pitiglianoite
  • Pearson Symbol: hP184
  • Space Group: 173
  • Phase Prototype: K6Na18Al18[SiO4]18[SO4]3[H2O]6
  • Measurement Detail(s): automatic diffractometer; 28 (determination of cell parameters), automatic diffractometer; Ital Structures (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, sulfate, silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 2799 reflections; I > 3σ(I), R = 0.065
  • Sample Detail(s): pitiglianoite sample from Italy, Tuscany, Pitigliano, electron microprobe analysis; 34.99 wt.% SiO2, 29.05 wt.% Al2O3, 17.10 wt.% Na2O, 9.41 wt.% K2O, 7.58 wt.% SO3, single crystal (determination of cell parameters), single crystal, 0.3×0.3×1.3 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K6Na18Al18[SiO4]18[SO4]3[H2O]6
  • Alphabetic Formula: Al18[H2O]6K6Na18[SO4]3[SiO4]18
  • Published Formula: Na6K2Si6Al6O24(SO4)·2H2O
  • Refined Formula: Al18H11.99K6Na18O89.99S3Si18
  • Wyckoff Sequence: 173,c30ba
  • Z Formula Units: 1
  • Density: ρ = 2.39 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]

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_1616899

  • 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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