Inorganic Solid Phases

τ3-Ta9−x+yV4+x−y−zGe1+z, x= 0.32, y= 0.51, z= 0.98 (Ta9.19V2.83Ge1.98) Crystal Structure

General Information

  • Phase Label(s): Ta9.19V2.83Ge1.98
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tI56
  • Space Group: 140
  • Phase Prototype: Nb9Co4Ge
  • Measurement Detail(s): automatic diffractometer (determination of structural parameters), X-rays (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined, Rietveld refinement; 25 variables; 172 reflections, R = 0.024; RP = 0.025; wRP = 0.034; RB = 0.027
  • Sample Detail(s): sample prepared from Ta, V, Ge, electron microprobe analysis; Ta64.2V21.8Ge14.0; amounts of Ta1.08V1.64Ge0.28 and Ta0.75V0.25, powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Ta9.19V2.83Ge1.98
  • Alphabetic Formula: Ge1.98Ta9.19V2.83
  • Published Formula: τ3-Ta9−x+yV4+x−y−zGe1+z, x= 0.32, y= 0.51, z= 0.98
  • Refined Formula: Ge1.98Ta9.16V2.86
  • Wyckoff Sequence: 140,k2heba
  • Z Formula Units: 4
  • Density: ρ = 13.93 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
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_1021552

  • 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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