Inorganic Solid Phases

Si3Al3O3N5, β'-sialon (Al2SiN2O2) Crystal Structure

General Information

  • Phase Label(s): Al2SiN2O2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP14
  • Space Group: 176
  • Phase Prototype: Si3N4
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Netherlands, Petten, Energy Research Centre, HFR reactor (determination of structural parameters), neutrons; λ = 0.25790(3) nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): nitride, oxide
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase, RB = 0.029
  • Sample Detail(s): sample prepared from kaoline, N2, C, amounts of FeSi2 and TiN, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Al1.5Si1.5N2.5O1.5
  • Alphabetic Formula: Al1.5N2.5O1.5Si1.5
  • Published Formula: Si3Al3O3N5, β'-sialon
  • Refined Formula: Al1.50N2.50O1.50Si1.50
  • Wyckoff Sequence: 176,h2c
  • Z Formula Units: 2
  • Density: ρ = 3.09 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1921270

  • 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

    Citation copied