Cod (η²-cyclooctadiene)

[Au(η²-Cod)(PPh₃)]⊕

Formula Unicode styled: 
[Au(η²-Cod)(PPh₃)]⊕
Compound name(s): 
(cycloocta-1,5-diene)-triphenylphosphine-gold(1+)
Central atom: 
Gold
Attached groups: 
Cod (η²-cyclooctadiene)
PPh₃ (triphenylphosphane)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Au«V1C2OIE14B2Z0X0L2»⊕
[MLXZ]𝘲 class: 
[ML2]+
MLXZ class (ENC, equivalent neutral class): 
MX1L1

mer–[Fe(CO)₃(η²-Cod)₂]

Formula Unicode styled: 
mer–[Fe(CO)₃(η²-Cod)₂]
Compound name(s): 
bis(η²-cyclo-octene)-tricarbonyl-iron
Central atom: 
Iron
Attached groups: 
CO (carbonyl)
Cod (η²-cyclooctadiene)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 0
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V0C5OOE18B5Z0X0L5»
[MLXZ]𝘲 class: 
[ML5]
MLXZ class (ENC, equivalent neutral class): 
ML5

[Ir(C₆H₄-C₆H₄)(η²-Cod)(Cp)]

Formula Unicode styled: 
[Ir(C₆H₄-C₆H₄)(η²-Cod)(Cp)]
Compound name(s): 
(η⁵-cyclopentadienyl)-(η²-cycloocta-1,5-diene)-(biphenyl-2,2'-diyl)-iridium
Central atom: 
Iridium
Attached groups: 
C₆H₄-C₆H₄ (biphenyl-κC²)
Cod (η²-cyclooctadiene)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V3C6OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3