Inorganic Solid Phases

zeolite L at 707 °C (K9Al9Si27O72, T = 980 K) Crystal Structure

General Information

  • Phase Label(s): K9Al9Si27O72
  • Structure Class(es): zeolite LTL
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP119
  • Space Group: 191
  • Phase Prototype: K9(Ga0.25Si0.75)36O72
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, European Synchrotron Radiation Facility ESRF, GILDA, BM08 (determination of structural parameters), X-rays, synchrotron; λ = 0.06530 nm (determination of cell and structural parameters), T = 980 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement; 42 variables, RP = 0.011; wRP = 0.016
  • Sample Detail(s): sample prepared from KOH, Al[OH]3, SiO2, electron microprobe analysis; K8.46Al8.35Si27.53O72[H2O]17.91 at rt, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K8.38Al8.38Si27.62O72
  • Alphabetic Formula: Al8.38K8.38O72Si27.62
  • Published Formula: zeolite L at 707 °C
  • Refined Formula: Al8.39K8.44O72Si27.61
  • Wyckoff Sequence: 191,r2qpo2lkjfc
  • Z Formula Units: 1
  • Density: ρ = 1.87 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_1141369

  • 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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