5-coordinate: ③-●-2 piano stool

[Co(CO)₂(Cp)]

Formula Unicode styled: 
[Co(CO)₂(Cp)]
Compound name(s): 
Dicarbonyl-(η⁵-cyclopentadienyl)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V1C5OIE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(μ₂-CO)(η⁵-C₅H₄Me)]₂

Formula Unicode styled: 
[Co(μ₂-CO)(η⁵-C₅H₄Me)]₂
Compound name(s): 
bis-[μ₂-Carbonyl)-(η⁵-methylcyclopentadienyl)-cobalt]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V2C5OIE17B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Co(μ₂-CO)(Cp*)]₂

Formula Unicode styled: 
[Co(μ₂-CO)(Cp*)]₂
Compound name(s): 
bis-[μ₂-Carbonyl)-(η⁵-pentamethylcyclopentadienyl)-cobalt]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V2C5OIE17B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Co(C₆F₅)₂(η⁶-C₇H₈)]

Formula Unicode styled: 
[Co(C₆F₅)₂(η⁶-C₇H₈)]
Compound name(s): 
(η⁶-Toluene)-bis(perfluorophenyl)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V2C5OIIE17B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Co(C₂H₄)(PMe₃)(Cp)]

Formula Unicode styled: 
[Co(C₂H₄)(PMe₃)(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-(η²-ethylene)-trimethylphosphine-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V1C5OIE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(Bpy)(Cp*)]

Formula Unicode styled: 
[Co(Bpy)(Cp*)]
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-(2,2'-bipyridyl)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V1C5OIE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(Bpy)(Cp)]

Formula Unicode styled: 
[Co(Bpy)(Cp)]
Compound name(s): 
(2,2'-bipyridine)-(η⁵-cyclopentadienyl)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V1C5OIE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Co(Br)(PEt₃)(Cp*)]

Formula Unicode styled: 
[Co(Br)(PEt₃)(Cp*)]
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-bromo-triethylphosphine-cobal
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V2C5OIIE17B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Co(μ₂-Br)(Cp*)]₂

Formula Unicode styled: 
[Co(μ₂-Br)(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Bromo)-(η⁵-pentamethyl-cyclopentadienyl)-cobalt]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V3C5OIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Co(Acac)(Cp*)]

Formula Unicode styled: 
[Co(Acac)(Cp*)]
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-(acetylacetonato-O,O')-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V2C5OIIE17B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Co(=CF₂)(PPh₃)(Cp)]

Formula Unicode styled: 
[Co(=CF₂)(PPh₃)(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-(difluoromethylidene)-triphenylphosphine-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V3C5OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Co(=CF₂)(PMePh₂)(Cp)]

Formula Unicode styled: 
[Co(=CF₂)(PMePh₂)(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-(difluoromethylene)-(diphenyl(methyl)phosphine)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Co«V3C5OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Ni(Ph)(C₂H₄)(Cp*)]

Formula Unicode styled: 
[Ni(Ph)(C₂H₄)(Cp*)]
Compound name(s): 
(η²-Ethylene)-(η⁵₋pentamethyl-cyclopentadienyl)-phenyl-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(Me)(PEt₃)(Cp*)]

Formula Unicode styled: 
[Ni(Me)(PEt₃)(Cp*)]
Compound name(s): 
(η⁵₋Pentamethyl-cyclopentadienyl)-methyl-triethylphosphino-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(H)(PEt₃)(Cp*)]

Formula Unicode styled: 
[Ni(H)(PEt₃)(Cp*)]
Compound name(s): 
(η⁵₋Pentamethyl-cyclopentadienyl)-hydrido-triethylphosphino-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(Cl)(PPh₃)(Cp)]

Formula Unicode styled: 
[Ni(Cl)(PPh₃)(Cp)]
Compound name(s): 
(η⁵₋Cyclopentadienyl)-chloro-(triphenylphosphine)-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(Cl)(PEt₃)(Cp)]

Formula Unicode styled: 
[Ni(Cl)(PEt₃)(Cp)]
Compound name(s): 
Chloro-(η⁵₋cyclopentadienyl)-(triethylphosphine)-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(Bz)(PEt₃)(Cp*)]

Formula Unicode styled: 
[Ni(Bz)(PEt₃)(Cp*)]
Compound name(s): 
(η⁵₋Pentamethyl-cyclopentadienyl)-benzyl-triethylphosphino-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni(Br)(PEt₃)(Cp*)]

Formula Unicode styled: 
[Ni(Br)(PEt₃)(Cp*)]
Compound name(s): 
(η⁵₋Pentamethyl-cyclopentadienyl)-bromo-triethylphosphino-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OIIE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3

[Ni{Mn(CO)₅}(CO)(Cp)]

Formula Unicode styled: 
[Ni{Mn(CO)₅}(CO)(Cp)]
Compound name(s): 
(Pentacarbonyl-manganese)-(η⁵₋cyclopentadienyl)-carbonyl-nickel
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Ni«V2C5OOE18B5Z0X2L3»
[MLXZ]𝘲 class: 
[MX2L3]
MLXZ class (ENC, equivalent neutral class): 
MX2L3