Inorganic Solid Phases

ITQ-26, 20 mol.% GeO2 (Ge3.4Si13.6O34 ITQ-26) Crystal Structure

General Information

  • Phase Label(s): Ge3.4Si13.6O34 ITQ-26
  • Structure Class(es): zeolite IWS
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tI408
  • Space Group: 139
  • Phase Prototype: (Ge0.34Si0.66)10Si7O34
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; U.S.A. New York, Brookhaven National Laboratory, National Synchrotron Light Source, X10B (determination of structural parameters), X-rays, synchrotron; λ = 0.087143 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, RP = 0.0702; wRP = 0.0915
  • Sample Detail(s): sample prepared from GeO2 (α-quartz), m-Bz(Et3P)2[OH]2, tetraethylorthosilicate (TEOS), HF, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ge3.4Si13.6O34
  • Alphabetic Formula: Ge3.4O34Si13.6
  • Published Formula: ITQ-26, 20 mol.% GeO2
  • Refined Formula: Ge3.40O34Si13.60
  • Wyckoff Sequence: 139,o6n4m4l2kjih2g
  • Z Formula Units: 8
  • Density: ρ = 1.64 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1927104

  • 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)

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