Inorganic Solid Phases

Er2/3(HSiUO6)2·62/3H2O; Er(HSiUO6)3·10H2O (H2[UO2]2Er0.67[SiO4]2[H2O]6.67) Crystal Structure

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General Information

  • Phase Label(s): H2[UO2]2Er0.67[SiO4]2[H2O]6.67
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: aP*
  • Space Group: *
  • Phase Prototype: *
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), X-rays, Fe Kα (determination of cell parameters)
  • Phase Class(es): –
  • Compound Class(es): orthosilicate, hydrate
  • Interpretation Detail(s): cell parameters determined
  • Sample Detail(s): sample prepared from Er nitrate or chloride, UO2(CH3COO)2, Na2SiO3, chemical analysis, infrared spectroscopy, thermogravimetry; 13.3 wt.% Er2O3, 12.6 wt.% SiO2, 59.8 wt.% UO3, 14.4 wt.% H2O; [UO2] and [SiO4] detected, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: H2[UO2]2Er0.67[SiO4]2[H2O]6.67
  • Alphabetic Formula: Er0.67H2[H2O]6.67[SiO4]2[UO2]2
  • Published Formula: Er2/3(HSiUO6)2·62/3H2O; Er(HSiUO6)3·10H2O
  • Refined Formula: –
  • Wyckoff Sequence: –
  • Z Formula Units: 1
  • Density: ρ = 3.58 Mg·m−3

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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

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1235128

  • 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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