ON: (-V)

[Bi{Co(CO)₄}₄]⊖

Formula Unicode styled: 
[Bi{Co(CO)₄}₄]⊖
Compound name(s): 
tetrakis(tetracarbonyl-cobalt)-bismuth(1-)
Central atom: 
Charge on central atom: 
-1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Bi«V3C4O-VE10B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]-
MLXZ class (ENC, equivalent neutral class): 
MX3L1