Inorganic Solid Phases

TaC Crystal Structure

General Information

  • Phase Label(s): TaC
  • Structure Class(es): rocksalt family
  • Classification by Properties: metal, superconductor
  • Mineral Name(s): tantalcarbide
  • Pearson Symbol: cF8
  • Space Group: 225
  • Phase Prototype: NaCl
  • Measurement Detail(s): film (determination of cell parameters), X-rays (determination of cell parameters), T = 296 K (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): carbide
  • Interpretation Detail(s): cell parameters determined and type with fixed coordinates assigned; temperature dependence studied
  • Sample Detail(s): spectroscopy, thermogravimetry; TaC0.984; 93.4 Ta, 6.1 wt.% C; main impurities < 10 B, < 10 Na, 40 Al, 200 Si, < 30 K, 200 Ti, < 20 V, 10 Cr, 200 Fe, < 50 Co, < 50 Ni, 100 Zn, < 30 Sr, < 30 Zr, < 1000 Nb, 30 Mo, < 10 Ag, < 50 Sn, < 10 Ba, < 3000 W, < 30 Pb, < 30 ppm Bi; amounts of C (0.5 wt.%), powder (determination of cell parameters)

Substance Summary

  • Standard Formula: TaC0.98
  • Alphabetic Formula: C0.98Ta
  • Published Formula: TaC
  • Refined Formula: C0.98Ta
  • Wyckoff Sequence: 225,ba
  • Z Formula Units: 4
  • Density: ρ = 14.49 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1605292

  • 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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