Inorganic Solid Phases

K8Na8[A-α-SiW9O34)2Co8(OH)6(H2O)2(CO3)3]·52H2O (K8Na8W18Co8[SiO4]2[CO3]3O60[OH]6[H2O]54) Crystal Structure

General Information

  • Phase Label(s): K8Na8W18Co8[SiO4]2[CO3]3O60[OH]6[H2O]54
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: aP693
  • Space Group: 2
  • Phase Prototype: K8Na8W18Co8[SiO4]2[CO3]3O60[OH]6[H2O]54
  • Measurement Detail(s): automatic diffractometer; 8982 (determination of cell parameters), automatic diffractometer; Bruker-Nonius X8 APEX II (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): carbonate, hydroxide, orthosilicate, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement on F2; 2995 variables; 49970 reflections; I > 2σ(I), R = 0.0412; wR = 0.1119
  • Sample Detail(s): sample prepared from Na10[A-α-SiW9O34][H2O]19, Co[SO4][H2O]7, NaCH3COO, HCl, K2CO3, chemical analysis; 47.72 wt.% W, 7.44 wt.% Co, 4.85 wt.% K, 2.76 wt.% Na, 0.61 wt.% C, single crystal (determination of cell parameters), single crystal, 0.02×0.10×0.26 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K8Na8W18Co8[SiO4]2[CO3]3O60[OH]6[H2O]54
  • Alphabetic Formula: [CO3]3Co8[H2O]54K8Na8O60[OH]6[SiO4]2W18
  • Published Formula: K8Na8[A-α-SiW9O34)2Co8(OH)6(H2O)2(CO3)3]·52H2O
  • Refined Formula: C3Co8H70.50K7.38Na5.25O115.25Si2W18
  • Wyckoff Sequence: 2,i346a
  • Z Formula Units: 4
  • Density: ρ = 3.80 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_1922718

  • 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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