Inorganic Solid Phases

(Na7.200.80)8[Al7.20Si8.80]16O32, ps-NeFAU (Na4Al4[SiO4]4 hex) Crystal Structure

General Information

  • Phase Label(s): Na4Al4[SiO4]4 hex
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): nepheline
  • Pearson Symbol: hP64
  • Space Group: 173
  • Phase Prototype: Na3.6(Al0.9Si0.1)4[SiO4]4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Philips PW1710 (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthosilicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, RP = 0.105; wRP = 0.126; RB = 0.0335
  • Sample Detail(s): sample prepared from Na-FAU zeolite, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na3.6Al3.6Si4.4O16
  • Alphabetic Formula: Al3.6Na3.6O16Si4.4
  • Published Formula: (Na7.200.80)8[Al7.20Si8.80]16O32, ps-NeFAU
  • Refined Formula: Al4Na3.56O16Si4
  • Wyckoff Sequence: 173,c10b2
  • Z Formula Units: 2
  • Density: ρ = 2.59 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_1626252

  • 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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