Inorganic Solid Phases

(Na5.38K1.99Mg0.24)[Al7.66Si28.34O72.09]·29.83H2O (K1.99Na5.57Mg0.24Al7.66Si28.34O72[H2O]30) Crystal Structure

General Information

  • Phase Label(s): K1.99Na5.57Mg0.24Al7.66Si28.34O72[H2O]30
  • Structure Class(es): zeolite ERI
  • Classification by Properties:
  • Mineral Name(s): erionite-Na
  • Pearson Symbol: hP188
  • Space Group: 194
  • Phase Prototype: K2Ca3.5(Al0.25Si0.75)36O72[H2O]32
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 ADVANCE (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters), T = 295 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement; 109 variables, RP = 0.0245; wRP = 0.0336; RB = 0.0047
  • Sample Detail(s): erionite-Na sample from U.S.A. Oregon, Baker County, Durkee Opal mine, electron microprobe analysis; Si28.34Al7.66Mg0.24Na5.38K1.98O72.09[H2O]29.77, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K1.99Na5.57Mg0.24Al7.66Si28.34O72[H2O]30
  • Alphabetic Formula: Al7.66[H2O]30K1.99Mg0.24Na5.57O72Si28.34
  • Published Formula: (Na5.38K1.99Mg0.24)[Al7.66Si28.34O72.09]·29.83H2O
  • Refined Formula: Al7.46H62.27K2Mg0.44Na4.97O103.13Si28.54
  • Wyckoff Sequence: 194,l2k7jih3f3b
  • Z Formula Units: 1
  • Density: ρ = 2.11 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_1232425

  • 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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