Inorganic Solid Phases

Cs(Be2Li)Al2Si6O18 (CsLiBe2Al2Si6O18) Crystal Structure

General Information

  • Phase Label(s): CsLiBe2Al2Si6O18
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): pezzottaite
  • Pearson Symbol: hR558
  • Space Group: 167
  • Phase Prototype: CsLiBe2Al2Si6O18
  • Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Mo Kα (determination of cell and structural parameters), T = 298 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, least-squares refinement on F2; 145 variables; 2155 reflections; F > 4σ(F), R = 0.0419
  • Sample Detail(s): pezzottaite sample from Madagascar (Malagasy Republic), Ambatovita, electron microprobe analysis; (Cs0.565Rb0.027K0.017)(Na0.101Ca0.024)Be2.078Li0.922(Mg0.002Mn0.002Fe0.003Al1.978)(Al0.056Si5.944)O18[H2O]0.27, single crystal (determination of cell parameters), single crystal, 0.18×0.31×0.36 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: CsLiBe2Al2Si6O18
  • Alphabetic Formula: Al2Be2CsLiO18Si6
  • Published Formula: Cs(Be2Li)Al2Si6O18
  • Refined Formula: Al2Be2Cs0.72LiNa0.12O18Si6
  • Wyckoff Sequence: 167,f13e3c2ba
  • Z Formula Units: 18
  • Density: ρ = 3.25 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]

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_1229741

  • 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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