Constituent
Name
TaN
Official name
Tantalum nitride
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
nitride
Comments
denomination from Nobuzo Terao 1971 Jpn. J. Appl. Phys. 10 248 dx.doi.org/10.1143/JJAP.10.248
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
$Ta^{3+}N^{3-}$
Chemical formula
TaN
Elemental formula
Ta N
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Ta$ Tantalum element 1 0.5 1 constituent element main
$N$ Nitrogen element 1 0.5 1 constituent element main
Class
tridimensional covalent networks (11)
Type
one metal and one non-metal (or metalloid) tridimensional networks (11.04)
Phase name
ε-TaN
Phase type
crystalline
Crystal system
hexagonal
Crystal class
ditrigonal-dipyramidal
Crystal class symbol
-6m2 (D3h)
Crystal spacegroup
P-62m
Texture
polycrystalline
Molar mass
194.955 $g/mol$
Density
14.3 $g/cm^3$
Refringence type
uniaxial
Color
black
Diaphaneity
opaque