Inorganic Solid Phases

Na1.55Al1.55Si0.45O4 (Na0.8Al0.8Si0.2O2) Crystal Structure

General Information

  • Phase Label(s): Na0.8Al0.8Si0.2O2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oP80
  • Space Group: 61
  • Phase Prototype: Na0.88(Al0.88Si0.12)O2
  • Measurement Detail(s): Guinier-Hägg film (determination of cell parameters), automatic diffractometer; Siemens D500 (determination of structural parameters), X-rays; λ = 0.15406 nm (determination of cell parameters), X-rays, Cu Kα; λ = 0.15418 nm (determination of structural parameters), T = 293 K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, RP = 0.112; wRP = 0.164; RB = 0.041
  • Sample Detail(s): sample prepared from NaNO3, Al[NO3]3[H2O]9, Si, SiO2, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na0.775Al0.775Si0.225O2
  • Alphabetic Formula: Al0.775Na0.775O2Si0.225
  • Published Formula: Na1.55Al1.55Si0.45O4
  • Refined Formula: Al0.77Na0.78O2Si0.22
  • Wyckoff Sequence: 61,c10
  • Z Formula Units: 16
  • Density: ρ = 2.67 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_1110661

  • 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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