Inorganic Solid Phases

K11.5[Al11.5Si20.5O64]·15H2O (K5.75Al5.75Si10.25O32[H2O]7.5) Crystal Structure

General Information

  • Phase Label(s): K5.75Al5.75Si10.25O32[H2O]7.5
  • Structure Class(es): zeolite MER
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oI122
  • Space Group: 71
  • Phase Prototype: K5.75(Al0.36Si0.64)16O32[H2O]7.5
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Siemens D5000 (determination of structural parameters), X-rays, Cu Kα1; λ = 0.1540598 nm (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; 44 variables, wRP = 0.0333
  • Sample Detail(s): sample prepared from KOH, H2O, Al[OH]3, energy-dispersive X-ray analysis, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K5.75Al5.75Si10.25O32[H2O]7.5
  • Alphabetic Formula: Al5.75[H2O]7.5K5.75O32Si10.25
  • Published Formula: K11.5[Al11.5Si20.5O64]·15H2O
  • Refined Formula: Al5.76H10K5.70O37Si10.24
  • Wyckoff Sequence: 71,o4nml3ihf2a
  • Z Formula Units: 2
  • Density: ρ = 2.18 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_1201338

  • 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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