Inorganic Solid Phases

LiAlSiO4 β-eucryptite (LiAl[SiO4] euc-β ht, T = 803 K) Crystal Structure

General Information

  • Phase Label(s): LiAl[SiO4] euc-β ht
  • Structure Class(es):
  • Classification by Properties: superionic conductor
  • Mineral Name(s): eucryptite β high
  • Pearson Symbol: hP21
  • Space Group: 180
  • Phase Prototype: LiAl[SiO4]
  • Measurement Detail(s): automatic diffractometer; 10 (determination of cell parameters), automatic diffractometer; Germany, Karlsruhe Forschungszentrum, FR2 reactor, P32 (determination of structural parameters), neutrons (determination of cell parameters), neutrons; λ = 0.10327(5) nm (determination of structural parameters), T = 803(5) K (determination of cell parameters), T = 803 K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthosilicate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 154 reflections, R = 0.060
  • Sample Detail(s): single crystal (determination of cell parameters), single crystal, 3.5 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: LiAl[SiO4]
  • Alphabetic Formula: AlLi[SiO4]
  • Published Formula: LiAlSiO4 β-eucryptite
  • Refined Formula: AlLi0.90O4Si
  • Wyckoff Sequence: 180,kdcba
  • Z Formula Units: 3
  • Density: ρ = 2.36 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

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1253291

  • 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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