Inorganic Solid Phases

K7H2[Au(O)(OH2)P2W20O70(OH2)2]·27H2O (H2K7AuW20[PO4]2O63[H2O]30, T = 173 K) Crystal Structure

General Information

  • Phase Label(s): H2K7AuW20[PO4]2O63[H2O]30
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP276
  • Space Group: 194
  • Phase Prototype: H2K7AuW20[PO4]2O63[H2O]30
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 173 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthophosphate, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement on F2; I > 2σ(I), R = 0.0634; wR = 0.2677
  • Sample Detail(s): sample prepared from K10[P2W20[OH2]2O70][H2O]22, AuCl3, chemical analysis; 4.5 wt.% K, 1.0 wt.% P, 3.2 wt.% Au, 61.9 wt.% W, single crystal (determination of cell parameters), single crystal, 0.17×0.28×0.33 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: H2K7AuW20[PO4]2O63[H2O]30
  • Alphabetic Formula: AuH2[H2O]30K7O63[PO4]2W20
  • Published Formula: K7H2[Au(O)(OH2)P2W20O70(OH2)2]·27H2O
  • Refined Formula: Au1.05H23K7.50O85.50P2W19.95
  • Wyckoff Sequence: 194,l5k9h6f2e
  • Z Formula Units: 2
  • Density: ρ = 4.37 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_1218363

  • 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