Inorganic Solid Phases

K4[H3+xSiCoxW12−xO40]·16H2O, x= 0.75 (H3.75K4W11.25Co0.75[SiO4]O36[H2O]16) Crystal Structure

General Information

  • Phase Label(s): H3.75K4W11.25Co0.75[SiO4]O36[H2O]16
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tP146
  • Space Group: 118
  • Phase Prototype: H3.75K4W8(W.0.81Co0.19)4[SiO4]O36[H2O]16
  • Measurement Detail(s): automatic diffractometer; Siemens SMART (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of structural parameters), T = 293(2) K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthosilicate, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, 1795 reflections; I > 2σ(I), R = 0.0545
  • Sample Detail(s): sample prepared from Co[NO3]2, K8[SiW11O39], chemical analysis; 60.2 wt.% W, 1.60 wt.% Co, 0.9 wt.% Si, single crystal, 0.15×0.38×0.44 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: H3.75K4W11.25Co0.75[SiO4]O36[H2O]16
  • Alphabetic Formula: Co0.75H3.75[H2O]16K4O36[SiO4]W11.25
  • Published Formula: K4[H3+xSiCoxW12−xO40]·16H2O, x= 0.75
  • Refined Formula: Co0.75H32K4O56SiW11.25
  • Wyckoff Sequence: 118,i16g2f2a
  • Z Formula Units: 2
  • Density: ρ = 4.34 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_1710903

  • 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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