Inorganic Solid Phases

FeTe0.51Se0.49; Fe1+y(Te1−xSex), x= 0.49 (FeTe0.5Se0.5 rt, T = 3 K) Crystal Structure

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General Information

  • Phase Label(s): FeTe0.5Se0.5 rt
  • Structure Class(es): –
  • Classification by Properties: antiferromagnet AFM, diamagnetic, ferromagnet FM (?), metal, nonmetal, semicond
  • Mineral Name(s): –
  • Pearson Symbol: tP6
  • Space Group: 129
  • Phase Prototype: FeTe0.85S0.15
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Australia, Lucas Heights, Australian Nuclear Science and Technology Organisation, OPAL reactor, ECHIDNA (determination of structural parameters), neutrons; λ = 0.16215 nm (determination of cell and structural parameters), T = 3 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): selenide, telluride
  • Interpretation Detail(s): complete structure determined; composition dependence studied; temperature dependence studied, Rietveld refinement, RP = 0.0332; wRP = 0.0418
  • Sample Detail(s): powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: FeTe0.51Se0.49
  • Alphabetic Formula: FeSe0.49Te0.51
  • Published Formula: FeTe0.51Se0.49; Fe1+y(Te1−xSex), x= 0.49
  • Refined Formula: FeSe0.49Te0.51
  • Wyckoff Sequence: 129,ca
  • Z Formula Units: 2
  • Density: ρ = 6.20 Mg·m−3
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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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1644612

  • 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)

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