Inorganic Solid Phases

Cs0.15Rb0.001Na0.261Li0.468Be2.496Al2.015Si6.021O18 (Cs0.2Rb0.001Na0.3Li0.5Be2.5Al2Si6O18) Crystal Structure

General Information

  • Phase Label(s): Cs0.2Rb0.001Na0.3Li0.5Be2.5Al2Si6O18
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): beryl
  • Pearson Symbol: hP60
  • Space Group: 192
  • Phase Prototype: Be3Al2Si6O18[H2O]0.1
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Philips PW1100 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; I > 3σ(I)
  • Sample Detail(s): beryl sample from Brazil, Minas Gerais, chemical analysis; 63.10 wt.% SiO2, 17.93 wt.% Al2O3, 1.41 wt.% Na2O, 3.68 wt.% Cs2O, 0.04 wt.% Rb2O, 1.22 wt.% Li2O, 10.90 wt.% BeO, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Cs0.2Rb0.001Na0.3Li0.5Be2.5Al2Si6O18
  • Alphabetic Formula: Al2Be2.5Cs0.2Li0.5Na0.3O18Rb0.001Si6
  • Published Formula: Cs0.15Rb0.001Na0.261Li0.468Be2.496Al2.015Si6.021O18
  • Refined Formula: Al2.02Be2.50Cs0.15Li0.47Na0.26O18Rb0Si6.02
  • Wyckoff Sequence: 192,ml2fca
  • Z Formula Units: 2
  • Density: ρ = 2.79 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_1213395

  • 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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