Inorganic Solid Phases

Na2(UO2)(Si4O10)·2.1H2O (Na2[UO2]Si4O10[H2O]2.1) Crystal Structure

General Information

  • Phase Label(s): Na2[UO2]Si4O10[H2O]2.1
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mS96
  • Space Group: 12
  • Phase Prototype: Na2[UO2]Si4O10[H2O]2.1
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS SMART (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 121 variables; 1477 reflections; I > 2σ(I), R = 0.0456; wR = 0.1292
  • Sample Detail(s): sample prepared from NaOH, SiO2, UO2[NO3]2[H2O]6, H2O, electron microprobe analysis, thermogravimetry, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Na2[UO2]Si4O10[H2O]2.1
  • Alphabetic Formula: [H2O]2.1Na2O10Si4[UO2]
  • Published Formula: Na2(UO2)(Si4O10)·2.1H2O
  • Refined Formula: H8Na2O16Si4U
  • Wyckoff Sequence: 12,j7i6h2gf
  • Z Formula Units: 4
  • Density: ρ = 3.32 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_1200856

  • 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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