Solid phase
Official name
Tantalum nitride
Secondary names
Tantalum(V) nitride
CAS number
12033-94-2
Type
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
nitride
Chemical composition
Formula
$Ta_3^{5+}N_5^{3-}$
Chemical formula
Ta3N5
Elemental formula
Ta3 N5
Isotope mixture type
terrestrial abundance
16.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Ta$ Tantalum element 3 0.375 1 constituent element main
$N$ Nitrogen element 5 0.625 1 constituent element main
Class
tridimensional covalent networks (11)
Type
one metal and one non-metal (or metalloid) tridimensional networks (11.04)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Cmcm
Molar mass
612.88 $g/mol$
Density
9.90 $g/cm^3$
State NTP
solid
Refringence type
biaxial
Pure color
red
Color
red
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