Table 1.

Some physical properties of CuO at room temperature (300K).^{[ 172} , ^{187 ]}

Density [ρ]	6.31 g cm−3
Molar mass	79.55 g mol−1
Melting point	1201 °C
Stable phase at 300 K	Monoclinic
Dielectric constant	18.1
Refractive index	1.4
Bandgap (E g)	1.21–1.7 eV direct
Cu—O bond length	1.96 Å
O—O bond length	2.62 Å
Cu—Cu bond length	2.90 Å
Hole effective mass	0.24 mo
Hole mobility	0.1–10 cm2 V−1 s−1
Specific heat capacity (C p)	540 J kg−1 K−1
Thermal conductivity (k)	18 W m−1 K−1
Thermal diffusivity (α × 10−7)	51.28 m2 s−1