Inorganic Solid Phases

Na-exchanged gmelinite, Si/(Si+Al)= 0.677 (Na7.8Al7.8Si16.2O48[H2O]22.13) Crystal Structure

General Information

  • Phase Label(s): Na7.8Al7.8Si16.2O48[H2O]22.13
  • Structure Class(es): zeolite GME
  • Classification by Properties:
  • Mineral Name(s): gmelinite-Na
  • Pearson Symbol: hP118
  • Space Group: 194
  • Phase Prototype: Na8(Al0.33Si0.67)24O48[H2O]24
  • Measurement Detail(s): automatic diffractometer; 25 (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, 1168 reflections, R = 0.0536
  • Sample Detail(s): sample prepared from gmelinite, NaCl, electron microprobe analysis; Si16.26Al7.69Ca0.04Sr0.02Na7.75K0.05O48[H2O]22.13, single crystal (determination of cell parameters), single crystal, 0.21×0.31×0.40 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Na7.8Al7.8Si16.2O48[H2O]22.13
  • Alphabetic Formula: Al7.8[H2O]22.13Na7.8O48Si16.2
  • Published Formula: Na-exchanged gmelinite, Si/(Si+Al)= 0.677
  • Refined Formula: Al7.80H28.80Na8.08O62.40Si16.20
  • Wyckoff Sequence: 194,lk4j2ihf
  • Z Formula Units: 1
  • Density: ρ = 2.02 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]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1613432

  • 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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