MnO₄ (tetraoxomanganese-κO)

[Mn(MnO₄-κO){(O)₃}]

Formula Unicode styled: 
[Mn(MnO₄-κO){(O)₃}]
Compound name(s): 
heptaoxo dimanganese|dimanganese heptaoxide
Central atom: 
Manganese
Attached groups: 
MnO₄ (tetraoxomanganese-κO)
(O)₃ (trioxo X₆L₂ Ⓢ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Mn«V7C4OVIIE18B9Z0X7L2»
[MLXZ]𝘲 class: 
[MX7L2]
MLXZ class (ENC, equivalent neutral class): 
MX7L2