5-coordinate: ③-●-2 piano stool

[Ir(C₂F₅)(NHBuᵗ)(Cp*)]

Formula Unicode styled: 
[Ir(C₂F₅)(NHBuᵗ)(Cp*)]
Compound name(s): 
(η⁵-Pentamethylcyclopentadienyl)-(t-butylamido)-pentafluoroethyl-iridium
Central atom: 
Iridium
Attached groups: 
C₂F₅ (perfluoroethyl)
NHBuᵗ (t-butylamino: planar)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V3C5OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Ir(=CPh₂)(PPrⁱ₃)(Cp)]

Formula Unicode styled: 
[Ir(=CPh₂)(PPrⁱ₃)(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-diphenylcarbene-(tri-isopropylphosphine)-iridium
Central atom: 
Iridium
Attached groups: 
=CPh₂ (diphenylmethylidene)
PPrⁱ₃ (triisopropylphosphane)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V3C5OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Ir(=CF₂)(PMe₃)(Cp*)]

Formula Unicode styled: 
[Ir(=CF₂)(PMe₃)(Cp*)]
Compound name(s): 
(Difluorocarbene)-(trimethylphosphine)-(η⁵-pentamethylcyclopentadienyl)-iridium
Central atom: 
Iridium
Attached groups: 
=CF₂ (difluoromethylidene)
PMe₃ (trimethylphosphane)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V3C5OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Ir(=CF₂)(CO)(Cp*)]

Formula Unicode styled: 
[Ir(=CF₂)(CO)(Cp*)]
Compound name(s): 
Carbonyl-(η⁵-pentamethylcyclopentadienyl)-(difluorocarbene)-iridium
Central atom: 
Iridium
Attached groups: 
=CF₂ (difluoromethylidene)
CO (carbonyl)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V3C5OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Os(PPrⁱ₃)(NHPh)(η⁶-C₆H₃Me₃)]⊕

Formula Unicode styled: 
[Os(PPrⁱ₃)(NHPh)(η⁶-C₆H₃Me₃)]⊕
Compound name(s): 
(η⁶-1,3,5-Trimethylphenyl)-(tri-isopropylphosphino-phenylimino)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
PPrⁱ₃ (triisopropylphosphane)
NHPh (phenylamino: planar)
C₆H₃Me₃ (mesitylene)
Charge on central atom: 
1
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C5OIIE18B6Z0X1L5»⊕
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Re(O)(PhC≡CPh)(Cp*)]

Formula Unicode styled: 
[Re(O)(PhC≡CPh)(Cp*)]
Compound name(s): 
oxo-(diphenylacetylene)-(η-pentamethyl-cyclopentadienyl)-rhenium
Central atom: 
Rhenium
Attached groups: 
O (oxo ⭀O X₂L)
PhC≡CPh (diphenylethyne)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V3C5OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4