Inorganic Solid Phases

Cs11.5Na2.5Al14.3Si33.7O96·4.6H2O; pollucite (Cs5.75Na1.4Al7.15Si16.85O48[H2O]2.3) Crystal Structure

General Information

  • Phase Label(s): Cs5.75Na1.4Al7.15Si16.85O48[H2O]2.3
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): pollucite
  • Pearson Symbol: mS200
  • Space Group: 15
  • Phase Prototype: Cs5.75Na1.4Al7.15Si16.85O48[H2O]2.3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS SMART APEX II (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 296 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement on F2; 237 variables; 3185 reflections; I > 2σ(I), R = 0.0402; wR = 0.0889
  • Sample Detail(s): pollucite sample from Pakistan, Gilgit, Shengus, atomic absorption spectroscopy, inductive coupled plasma method; Cs11.5Na2.5Al14.3Si33.7O96[H2O]4.6, single crystal (determination of cell parameters), single crystal, 0.14×0.20×0.26 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Cs5.75Na1.4Al7.15Si16.85O48[H2O]2.3
  • Alphabetic Formula: Al7.15Cs5.75[H2O]2.3Na1.4O48Si16.85
  • Published Formula: Cs11.5Na2.5Al14.3Si33.7O96·4.6H2O; pollucite
  • Refined Formula: Al7.15Cs5.76H4.55Na1.26O50.28Si16.85
  • Wyckoff Sequence: 15,f21e8
  • Z Formula Units: 2
  • Density: ρ = 2.95 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_1926457

  • 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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