Inorganic Solid Phases

Na7K18[Ho5(H2O)16(OH)2As6W64O220]·56H2O (K18Na7Ho5W64As6O220[OH]2[H2O]72, T = 213 K) Crystal Structure

General Information

  • Phase Label(s): K18Na7Ho5W64As6O220[OH]2[H2O]72
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: aP806
  • Space Group: 2
  • Phase Prototype: K18Na7Ho5W64[AsO3]6O202[OH]2[H2O]72
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; STOE IPDS (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 213 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement on F2; 2023 variables; 39636 reflections; I > 2σ(I), R = 0.0783; wR = 0.2022
  • Sample Detail(s): sample prepared from Na2WO4[H2O]2, KCl, As2O3, HCl, energy-dispersive X-ray analysis; W/Ho/As/K/Na ratio 64.0/4.8/5.9/18.1/6.8, single crystal (determination of cell parameters), single crystal, 0.14×0.17×0.31 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K18Na7Ho5W64[AsO3]6O202[OH]2[H2O]72
  • Alphabetic Formula: [AsO3]6[H2O]72Ho5K18Na7O202[OH]2W64
  • Published Formula: Na7K18[Ho5(H2O)16(OH)2As6W64O220]·56H2O
  • Refined Formula: As6H144Ho5K6NaO294W64
  • Wyckoff Sequence: 2,i403
  • Z Formula Units: 2
  • Density: ρ = 3.84 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_1711727

  • 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