[Fe₂(CO)₆(μ₂-CO)₃]

Formula Unicode styled: 
[Fe₂(CO)₆(μ₂-CO)₃]
Compound name(s): 
tris(μ₂-carbonyl)-hexacarbonyl-di-iron
Central atom: 
Charge on formula unit (QN): 
0
Compound type: 
Notes: 

The three bridging carbonyls are presented as a set: (CO)₃ (tri-μ₂-carbonyl X₄L₂ Ⓢ)

Valence Number (VN) = 𝘹 + 2𝘻 : 
Coordination Number (CN, sum of attached group denticities): 
Oxidation Number (ON) (Roman numerals): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Bond number (BN) = 𝘹 + 𝘭 + 𝘻: 
6
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4
Summary of calculated classifications: 
Fe«V2C6OOE18B6Z0X2L4»
𝘥-electron configuration = 𝘮 – VN: 
d6
𝘥-electron configuration = 𝘮 – ON: 
d8
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
d6
Attached atoms: 
Phase: 
InChIKey (see www.inchi-trust.org): 
JCXLZXJCZPKTBW-UHFFFAOYSA-N