5-coordinate: ③-●-2 piano stool

[Ni(C₆F₅)(PPh₃)(Cp)]

Formula Unicode styled: 
[Ni(C₆F₅)(PPh₃)(Cp)]
Compound name(s): 
(η⁵₋cyclopentadienyl)-(pentafluorophenyl)-(triphenylphosphine)-nickel
Central atom: 
Nickel
Attached groups: 
C₆F₅ (pentafluorophenyl)
PPh₃ (triphenylphosphane)
Cp (η⁵-cyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(η³-C₃Ph₃)(Cp)]

Formula Unicode styled: 
[Ni(η³-C₃Ph₃)(Cp)]
Compound name(s): 
Cyclopentadienyl-triphenylcyclopropenyl-nickel
Central atom: 
Nickel
Attached groups: 
C₃Ph₃ (η³-triphenylcyclopropenyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ni«V4C5OIVE18B6Z0X4L2»
[MLXZ]𝘲 class: 
[MX4L2]
MLXZ class (ENC, equivalent neutral class): 
MX4L2

[Ni(C≡CPh)(PPh₃)(Cp)]

Formula Unicode styled: 
[Ni(C≡CPh)(PPh₃)(Cp)]
Compound name(s): 
(η⁵₋Cyclopentadienyl)-phenylethynyl-triphenylphosphine-nickel
Central atom: 
Nickel
Attached groups: 
C≡CPh (phenylethynyl)
PPh₃ (triphenylphosphane)
Cp (η⁵-cyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(C≡CH)(PPh₃)(Cp)]

Formula Unicode styled: 
[Ni(C≡CH)(PPh₃)(Cp)]
Compound name(s): 
(η⁵₋Cyclopentadienyl)-(ethynyl)-(triphenylphosphine)-nickel
Central atom: 
Nickel
Attached groups: 
C≡CH (ethynyl)
PPh₃ (triphenylphosphane)
Cp (η⁵-cyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(Bpy)(Cp)]

Formula Unicode styled: 
[Ni(Bpy)(Cp)]
Compound name(s): 
(η⁵₋Cyclopentadienyl)-(1,1'-bipyridyl)-nickel
Central atom: 
Nickel
Attached groups: 
Bpy (bipyridine)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 19
Summary of calculated classifications: 
Ni«V1C5OIE19B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ni(Acac)(Cp*)]

Formula Unicode styled: 
[Ni(Acac)(Cp*)]
Compound name(s): 
(Acetylacetonato)-(η⁵₋pentamethyl-cyclopentadienyl)-nickel
Central atom: 
Nickel
Attached groups: 
Acac (acetylacetonato)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

cis–[Ni(PEt₃)₂(η⁴-C₄Ph₄)]

Formula Unicode styled: 
cis–[Ni(PEt₃)₂(η⁴-C₄Ph₄)]
Compound name(s): 
bis(Triethylphosphine)-(η⁴-tetraphenylcyclobutadiene)-nickel
Central atom: 
Nickel
Attached groups: 
PEt₃ (triethylphosphane)
C₄Ph₄ (η⁴-tetraphenylcyclobutadiene)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ni«V2C4OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Al(Me)₂(Cp*)]

Formula Unicode styled: 
[Al(Me)₂(Cp*)]
Compound name(s): 
dimethyl-(η⁵₋pentamethylcyclopentadienyl)-aluminium
Central atom: 
Aluminium
Attached groups: 
Me (methyl)
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: 10
Summary of calculated classifications: 
Al«V3C5OIIIE10B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Sn(μ₂-Cl)(Cp*)]₂

Formula Unicode styled: 
[Sn(μ₂-Cl)(Cp*)]₂
Compound name(s): 
Chloro-(η⁵-pentamethyl-cyclopentadienyl)-tin
Central atom: 
Tin
Attached groups: 
Cl (μ₂-chloro)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 12
Summary of calculated classifications: 
Sn«V2C5OIIE12B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Pt(Dppe-κ²P)(Cp)]⊕

Formula Unicode styled: 
[Pt(Dppe-κ²P)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-(1,2-bis(diphenylphosphino)ethane)-platinum(1+)
Central atom: 
Platinum
Attached groups: 
Dppe (1,2-bis-(diphenylphosphino)ethane-κ²P)
Cp (η⁵-cyclopentadienyl)
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: 
Pt«V2C5OIIE18B5Z0X1L4»⊕
[MLXZ]𝘲 class: 
[MX1L4]+
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Pt(CO)(Cp*)]₂

Formula Unicode styled: 
[Pt(CO)(Cp*)]₂
Compound name(s): 
bis((η⁵-Pentamethyl-cyclopentadienyl)-carbonyl-platinum)
Central atom: 
Platinum
Attached groups: 
CO (carbonyl)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Pt«V2C5OIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ir(SC₆F₅)₂(Cp*)]

Formula Unicode styled: 
[Ir(SC₆F₅)₂(Cp*)]
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-bis(pentafluorophenylthiolato)-iridium
Central atom: 
Iridium
Attached groups: 
SC₆F₅ (pentafluorothiophenyl)
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: 16
Summary of calculated classifications: 
Ir«V3C5OIIIE16B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Ir(S₂C₆H₄-κ²S)(Cp*)]⊕

Formula Unicode styled: 
[Ir(S₂C₆H₄-κ²S)(Cp*)]⊕
Compound name(s): 
(Benzene-1,2-dithiolato)-(η⁵-pentamethyl-cyclopentadienyl)-iridium
Central atom: 
Iridium
Attached groups: 
S₂C₆H₄ (benzene-1,2-dithiolato-κ²S)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Ir«V4C5OIVE15B5Z0X3L2»⊕
[MLXZ]𝘲 class: 
[MX3L2]+
MLXZ class (ENC, equivalent neutral class): 
MX4L1

[Ir(PMe₃)(≡CPh)(η⁵-C₅EtMe₄)]⊕

Formula Unicode styled: 
[Ir(PMe₃)(≡CPh)(η⁵-C₅EtMe₄)]⊕
Compound name(s): 
Benzylidyne-(η⁵-ethyltetramethylcyclopentadienyl)-trimethylphosphine-iridium(1+)
Central atom: 
Iridium
Attached groups: 
PMe₃ (trimethylphosphane)
≡CPh (phenylmethylidyne, benzylidyne)
C₅EtMe₄ (η⁵-ethyltetramethylcyclopentadienyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V5C5OVE18B7Z0X4L3»⊕
[MLXZ]𝘲 class: 
[MX4L3]+
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Ir(CO)₂(Cp*)]

Formula Unicode styled: 
[Ir(CO)₂(Cp*)]
Compound name(s): 
Dicarbonyl-(η⁵-pentamethyl-cyclopentadienyl)-iridium
Central atom: 
Iridium
Attached groups: 
CO (carbonyl)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V1C5OIE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ir(CO)(PPh₃)(Cp)]

Formula Unicode styled: 
[Ir(CO)(PPh₃)(Cp)]
Compound name(s): 
Cyclopentadienyl-(triphenylphosphine)carbonyl iridium
Central atom: 
Iridium
Attached groups: 
CO (carbonyl)
PPh₃ (triphenylphosphane)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V1C5OIE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ir(CO)(PPh₃)(η⁶-C₇H₈)]⊕

Formula Unicode styled: 
[Ir(CO)(PPh₃)(η⁶-C₇H₈)]⊕
Compound name(s): 
(η⁶-Toluene)-carbonyl-(triphenylphosphine)-iridium(1+)
Central atom: 
Iridium
Attached groups: 
CO (carbonyl)
PPh₃ (triphenylphosphane)
C₇H₈ (toluene)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V1C5OIE18B5Z0X0L5»⊕
[MLXZ]𝘲 class: 
[ML5]+
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ir(CO)(PPh₃)(η⁶-C₆H₆)]⊕

Formula Unicode styled: 
[Ir(CO)(PPh₃)(η⁶-C₆H₆)]⊕
Compound name(s): 
(η⁶-Benzene)-carbonyl-(triphenylphosphine)-iridium(1+)
Central atom: 
Iridium
Attached groups: 
CO (carbonyl)
PPh₃ (triphenylphosphane)
C₆H₆ (benzene)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V1C5OIE18B5Z0X0L5»⊕
[MLXZ]𝘲 class: 
[ML5]+
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ir(C₈H₁₄)₂(η⁶-C₆H₆)]⊕

Formula Unicode styled: 
[Ir(C₈H₁₄)₂(η⁶-C₆H₆)]⊕
Compound name(s): 
(η⁶-Benzene)-bis(η²-cyclo-octene)-iridium(1+)
Central atom: 
Iridium
Attached groups: 
C₈H₁₄ (cyclooctene)
C₆H₆ (benzene)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V1C5OIE18B5Z0X0L5»⊕
[MLXZ]𝘲 class: 
[ML5]+
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Ir(C₆H₄)(PMe₃)(Cp*)]

Formula Unicode styled: 
[Ir(C₆H₄)(PMe₃)(Cp*)]
Compound name(s): 
(η²-Benzyne)-(η⁵-pentamethylcyclopentadienyl)-(trimethylphosphine)-iridium
Central atom: 
Iridium
Attached groups: 
C₆H₄ (benzyne)
PMe₃ (trimethylphosphane)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ir«V1C5OIE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4