Input interpretation
manganese(III) oxide
Chemical names and formulas
formula | Mn_2O_3 name | manganese(III) oxide IUPAC name | oxo-(oxomanganiooxy)manganese alternate names | dimanganese trioxide | keto-(ketomanganiooxy)manganese | manganese(3+) oxide | manganese sesquioxide | manganese trioxide | oxo-(oxomanganiooxy)manganese mass fractions | Mn (manganese) 69.6% | O (oxygen) 30.4%
Structure diagram
Structure diagram
vertex count | 5 edge count | 4 Schultz index | 74 Wiener index | 20 Hosoya index | 8 Balaban index | 2.191
Basic properties
molar mass | 157.873 g/mol phase | solid (at STP) melting point | 1347 °C density | 4.5 g/cm^3
Units
Solid properties (at STP)
density | 4.5 g/cm^3
Units
Thermodynamic properties
specific heat capacity c_p | solid | 0.6822 J/(g K) molar heat capacity c_p | solid | 107.7 J/(mol K) specific free energy of formation Δ_fG° | solid | -5.581 kJ/g molar free energy of formation Δ_fG° | solid | -881.1 kJ/mol specific heat of formation Δ_fH° | solid | -6.074 kJ/g molar heat of formation Δ_fH° | solid | -959 kJ/mol specific entropy S° | solid | 0.6968 J/(g K) molar entropy S° | solid | 110 J/(mol K) (at STP)
Chemical identifiers
![CAS number | 1317-34-6 PubChem CID number | 14824 PubChem SID number | 24863506 SMILES identifier | O=[Mn]O[Mn]=O InChI identifier | InChI=1/2Mn.3O/rMn2O3/c3-1-5-2-4 RTECS number | OP0915000 MDL number | MFCD00016217](../image_source/5ff15a1b202c3c91fcdaa3ec2930fb30.png)
CAS number | 1317-34-6 PubChem CID number | 14824 PubChem SID number | 24863506 SMILES identifier | O=[Mn]O[Mn]=O InChI identifier | InChI=1/2Mn.3O/rMn2O3/c3-1-5-2-4 RTECS number | OP0915000 MDL number | MFCD00016217
NFPA label
NFPA label
NFPA health rating | 1 NFPA fire rating | 0 NFPA reactivity rating | 0
Toxicity properties
RTECS classes | other