Inorganic Solid Phases

(K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72·30H2O (K2Sr2Ca6Al18Si18O72[H2O]30) Crystal Structure

General Information

  • Phase Label(s): K2Sr2Ca6Al18Si18O72[H2O]30
  • Structure Class(es): zeolite EAB
  • Classification by Properties:
  • Mineral Name(s): bellbergite
  • Pearson Symbol: hP160
  • Space Group: 194
  • Phase Prototype: K2Sr2Ca6(Al0.5Si0.5)36O72[H2O]30
  • 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): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, 498 reflections; I > 2σ(I), R = 0.122
  • Sample Detail(s): bellbergite sample from Germany, Rhineland-Palatinate, Eifel, Laacher See, Bellberg volcano, electron microprobe analysis; 34.41 wt.% SiO2, 27.90 wt.% Al2O3, 9.31 wt.% CaO, 7.63 wt.% SrO, 1.95 wt.% K2O, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K2Sr2Ca6Al18Si18O72[H2O]30
  • Alphabetic Formula: Al18Ca6[H2O]30K2O72Si18Sr2
  • Published Formula: (K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72·30H2O
  • Refined Formula: Al18Ca6H60K2O102Si18Sr2
  • Wyckoff Sequence: 194,l2k5jih2f2eda
  • Z Formula Units: 1
  • Density: ρ = 2.17 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]

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_1614721

  • 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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