Manganese (II) Oxide
MnO
Properties |
|
Molar mass |
70.9374 g/mol |
Appearance |
dark green crystals |
Density |
5.43 g/cm3 |
Melting point |
1945 C |
Solubility in water |
insoluble |
Solubility |
soluble in acid |
Refractive index (nD) |
2.16 |
Structure |
|
Crystal structure |
Halite (cubic), cF8 |
Space group |
Fm3m, No. 225 |
Coordination |
Octahedral (Mn2+); |
Lattice constant |
4.43 Å |
Std enthalpy of formation fH 298 |
-385 kJ . K -1[1] |
Standard molar entropy S 298 |
60 J . mol-1 . K-1[1] |