Inorganic Solid Phases

La29Al87Si105O384·270H2O (La7.5Al22.5Si25.5O96[H2O]8) Crystal Structure

General Information

  • Phase Label(s): La7.5Al22.5Si25.5O96[H2O]8
  • Structure Class(es): zeolite FAU
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cF640
  • Space Group: 227
  • Phase Prototype: La7.5(Al0.47Si0.53)48O96[H2O]8
  • Measurement Detail(s): diffractometer (determination of cell parameters), diffractometer; Norelco (determination of structural parameters), X-rays (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement, R = 0.215
  • Sample Detail(s): sample prepared from faujasite, La[NO3]3, chemical analysis; [La2O3]14.55[Na2O]0.2[Al2O3]34.4[SiO2]105.1[H2O]270, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: La7.3Al21.9Si26.1O96[H2O]67
  • Alphabetic Formula: Al21.9[H2O]67La7.3O96Si26.1
  • Published Formula: La29Al87Si105O384·270H2O
  • Refined Formula: Al21.74H16La8.28O104Si26.26
  • Wyckoff Sequence: 227,ihg3e3d
  • Z Formula Units: 4
  • Density: ρ = 2.14 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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1612836

  • 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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