Constituent
Name
BN powder
Official name
Hexagonal boron nitride
Family
covalent network solid
Class
sheet covalent network solid
Compound type
non-oxide ceramic
Comments
Strong anisotropy properties due to covalent bond in a plane and van der waals bond between the layers.
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
0.98
Mole fraction
1.0
Chemical composition
Formula
$BN$
Chemical formula
BN
Elemental formula
B N
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$B$ Boron element 1 0.5 1.0 pure main
$N$ Nitrogen element 1 0.5 1.0 pure main
Class
sheet covalent networks (10)
Type
metal homonuclear sheet networks (elemental) (10.02)
Phase name
Hexagonal boron nitride
Phase type
crystalline
Crystal system
hexagonal
Crystal class
dihexagonal-dipyramidal
Crystal class symbol
6/mmm (D6h)
Crystal spacegroup
P6(3)/mmc
Texture
monocrystalline
Molar mass
24.82 $g/mol$
Density
2.1 $g/cm^3$