Inorganic Solid Phases

K2H2{Er(H2O)6[Er(H2O)3SiW11O39]}2·22H2O (HKEr2W11SiO39[H2O]20) Crystal Structure

General Information

  • Phase Label(s): HKEr2W11SiO39[H2O]20
  • Structure Class(es):
  • Classification by Properties: nonmetal
  • Mineral Name(s):
  • Pearson Symbol: aP156
  • Space Group: 2
  • Phase Prototype: HKEr2W11[SiO4]O35[H2O]20
  • Measurement Detail(s): automatic diffractometer; 300 (determination of cell parameters), automatic diffractometer; Rigaku R-AXIS IV (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293(2) 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; 703 variables; 5223 reflections; I > 2σ(I), R = 0.0638; wR = 0.1140
  • Sample Detail(s): sample prepared from Er2O3, K8SiW11O39[H2O]13, chemical analysis; 1.29 wt.% H, 27.75 wt.% O, 0.78 wt.% Si, single crystal (determination of cell parameters), single crystal, 0.09×0.12×0.18 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: HKEr2W11[SiO4]O35[H2O]20
  • Alphabetic Formula: Er2H[H2O]20KO35[SiO4]W11
  • Published Formula: K2H2{Er(H2O)6[Er(H2O)3SiW11O39]}2·22H2O
  • Refined Formula: Er2H39KO58.50SiW11
  • Wyckoff Sequence: 2,i78
  • Z Formula Units: 2
  • Density: ρ = 3.85 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_1220745

  • 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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