Inorganic Solid Phases

K11[{Co2(H2O)8}K(Si2W18O66)]·17H2O (K12W18Co2[SiO4]2O58[H2O]25, T = 110(2) K) Crystal Structure

General Information

  • Phase Label(s): K12W18Co2[SiO4]2O58[H2O]25
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mP516
  • Space Group: 14
  • Phase Prototype: K12W18Co2[SiO4]2O58[H2O]25
  • Measurement Detail(s): automatic diffractometer; 9004 (determination of cell parameters), automatic diffractometer; Bruker AXS APEX II (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of structural parameters), T = 110(2) K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthosilicate, oxide, hydrate
  • Interpretation Detail(s): positions of non-H and part of H atoms determined, full-matrix least-squares refinement; 1140 variables; 28156 reflections; I > 2σ(I), R = 0.0482
  • Sample Detail(s): sample prepared from K6Na3(Na[H2O](Co[H2O]3)2(Co[H2O]2)(Si2W18O66))[H2O]22, CH3COOK/CH3COOH, chemical analysis, single crystal (determination of cell parameters), single crystal, 0.11×0.13×0.22 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K12W18Co2[SiO4]2O58[H2O]25
  • Alphabetic Formula: Co2[H2O]25K12O58[SiO4]2W18
  • Published Formula: K11[{Co2(H2O)8}K(Si2W18O66)]·17H2O
  • Refined Formula: Co2H50K12O91Si2W18
  • Wyckoff Sequence: 14,e129
  • Z Formula Units: 4
  • Density: ρ = 4.10 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_1636118

  • 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

    Citation copied