Ir group (X₂ type)

[P(C₆H₂Buᵗ₃){Ir(CO)(Cp*)}]

Formula Unicode styled: 
[P(C₆H₂Buᵗ₃){Ir(CO)(Cp*)}]
Compound name(s): 
carbonyl-(η⁵-pentamethylcyclopentadienyl)-{(2,4,6-tri-t-butylphenyl)phosphinidene}-iridium
Central atom: 
Phosphorus
Attached groups: 
C₆H₂Buᵗ₃ (2,4,6-tri-t-butylphenyl)
Ir group (X₂ type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Ir(Mes)₃(O)]

Formula Unicode styled: 
[Ir(Mes)₃(O)]
Compound name(s): 
Oxo-trimesityl-iridium
Central atom: 
Oxygen
Attached groups: 
Ir group (X₂ type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2