Inorganic Solid Phases

0.79Pb(Mg1/3Nb2/3)O3·0.21PbTiO3 (Mg0.21Ti0.36Nb0.43PbO3 rt rhom, T = 300 K) Crystal Structure

General Information

  • Phase Label(s): Mg0.21Ti0.36Nb0.43PbO3 rt rhom
  • Structure Class(es):
  • Classification by Properties: ferroelectric FE, nonmetal, piezoelectric
  • Mineral Name(s):
  • Pearson Symbol: hR15
  • Space Group: 160
  • Phase Prototype: (Zn0.33Nb0.67)PbO3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Germany, Garching, Forschungs-Neutronenquelle Heinz Maier-Leibnitz, FRM II reactor, SPODI (determination of structural parameters), neutrons; λ = 0.15482 nm (determination of cell and structural parameters), T = 300 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): oxide
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, RP = 0.0303; wRP = 0.0382
  • Sample Detail(s): powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg0.26Ti0.21Nb0.53PbO3
  • Alphabetic Formula: Mg0.26Nb0.53O3PbTi0.21
  • Published Formula: 0.79Pb(Mg1/3Nb2/3)O3·0.21PbTiO3
  • Refined Formula: Mg0.26Nb0.53O3PbTi0.21
  • Wyckoff Sequence: 160,ba2
  • Z Formula Units: 3
  • Density: ρ = 8.14 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_1223916

  • 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