Inorganic Solid Phases

(Hg3)3(PO4)4 (Hg9[PO4]4) Crystal Structure

General Information

  • Phase Label(s): Hg9[PO4]4
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hR174
  • Space Group: 161
  • Phase Prototype: Hg9[AsO4]4
  • Measurement Detail(s): Guinier film (determination of cell parameters), automatic diffractometer; Siemens SMART (determination of structural parameters), X-rays, Cu Kα1; λ = 0.154051 nm (determination of cell parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of structural parameters), T = 295(2) K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthophosphate
  • Interpretation Detail(s): complete structure determined, 89 variables; 1339 reflections; I > 2σ(I), R = 0.0209; wR = 0.047
  • Sample Detail(s): sample prepared from (Hg2)2P2O7, HgO, H3PO4, large amounts of α-[Hg2]3[PO4]2 crystals, powder (determination of cell parameters), single crystal, 0.04×0.04×0.06 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Hg9[PO4]4
  • Alphabetic Formula: Hg9[PO4]4
  • Published Formula: (Hg3)3(PO4)4
  • Refined Formula: Hg9O16P4
  • Wyckoff Sequence: 161,b9a2
  • Z Formula Units: 6
  • Density: ρ = 8.77 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_1614048

  • 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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