Inorganic Solid Phases

Pb5Ge3O11 paraelectric (Pb5[GeO4][Ge2O7] ht1, T = 473 K) Crystal Structure

General Information

  • Phase Label(s): Pb5[GeO4][Ge2O7] ht1
  • Structure Class(es):
  • Classification by Properties: ferroelectric FE, nonmetal
  • Mineral Name(s):
  • Pearson Symbol: hP57
  • Space Group: 174
  • Phase Prototype: Pb5[GeO4][Ge2O7]
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Japan, Kyoto, Research Reactor Institute, KUR-1 reactor (determination of structural parameters), X-rays, Mo Kα (determination of cell parameters), neutrons; λ = 0.101 nm (determination of structural parameters), T = 473 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthogermanate, digermanate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 974 reflections, R = 0.079
  • Sample Detail(s): single crystal (determination of cell parameters), single crystal, 6×7×7 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Pb5[GeO4][Ge2O7]
  • Alphabetic Formula: [GeO4][Ge2O7]Pb5
  • Published Formula: Pb5Ge3O11 paraelectric
  • Refined Formula: Ge3O11Pb5
  • Wyckoff Sequence: 174,l6kj4hgdb
  • Z Formula Units: 3
  • Density: ρ = 7.30 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

Anisotropic

Site
β11 [nm2]
β22 [nm2]
β33 [nm2]
β12 [nm2]
β13 [nm2]
β23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_0558377

  • 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