Inorganic Solid Phases

MCM-71 zeolite, T= Si41.1Al6.9, non-framework Al (Al4.6Si20.55O48) Crystal Structure

General Information

  • Phase Label(s): Al4.6Si20.55O48
  • Structure Class(es): zeolite MOR
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oS184
  • Space Group: 64
  • Phase Prototype: Al4.6Si20.55O48
  • 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 = 0.086761 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, wRP = 0.1850
  • Sample Detail(s): sample prepared from LUDOX HS-40, Al[OH]3, KOH, chemical analysis; Si41.1Al6.9O96; solid state 27Al MAS NMR revealed the presence of non-tetrahedral Al; no significant amounts of K detected, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Al4.6Si20.55O48
  • Alphabetic Formula: Al4.6O48Si20.55
  • Published Formula: MCM-71 zeolite, T= Si41.1Al6.9, non-framework Al
  • Refined Formula: Al11.30O48Si20.54
  • Wyckoff Sequence: 64,g6f9ec
  • Z Formula Units: 2
  • Density: ρ = 1.84 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_1926452

  • 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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