C₄Me₄ (η⁴-tetramethylcyclobutadiene)

[Co(η⁴-C₄Me₄){η⁵-C₅H₄(COMe)}]

Formula Unicode styled: 
[Co(η⁴-C₄Me₄){η⁵-C₅H₄(COMe)}]
Compound name(s): 
(η⁵-acetyl-cyclopentadienyl)-(η⁴-tetramethyl-cyclobutadienyl)-cobalt
Central atom: 
Cobalt
Attached groups: 
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
C₅H₄(COMe) (η⁵-acetylcyclopentadienyl)
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: 
Co«V3C5OIIIE18B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Co(NCMe)₃(η⁴-C₄Me₄)]⊕

Formula Unicode styled: 
[Co(NCMe)₃(η⁴-C₄Me₄)]⊕
Compound name(s): 
(η⁴-1,2,3,4-Tetramethylcyclobutadiene)-tris(acetonitrile)-cobalt(1+)
Central atom: 
Cobalt
Attached groups: 
NCMe (acetonitrile)
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
Charge on central atom: 
1
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: 
Co«V3C5OIIIE18B6Z0X2L4»⊕
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Co(CO)₃(η⁴-C₄Me₄)]⊕

Formula Unicode styled: 
[Co(CO)₃(η⁴-C₄Me₄)]⊕
Compound name(s): 
(η⁴-1,2,3,4-Tetramethylcyclobutadiene)-tricarbonyl-cobalt(1+)
Central atom: 
Cobalt
Attached groups: 
CO (carbonyl)
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
Charge on central atom: 
1
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: 
Co«V3C5OIIIE18B6Z0X2L4»⊕
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Ni(Br)(μ₂-Br)(η⁴-C₄Me₄)]₂

Formula Unicode styled: 
[Ni(Br)(μ₂-Br)(η⁴-C₄Me₄)]₂
Compound name(s): 
bis-[dibromo-(η⁴-tetramethylcyclobutadiene)-nickel]
Central atom: 
Nickel
Attached groups: 
Br (bromo)
Br (μ₂-bromo)
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
Charge on central atom: 
0
Compound type: 
Oligomer
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

cis–[Ni(Cl)(μ₂-Cl)(η⁴-C₄Me₄)]₂

Formula Unicode styled: 
cis–[Ni(Cl)(μ₂-Cl)(η⁴-C₄Me₄)]₂
Compound name(s): 
bis-[dichloro-1,2,3,4-tetramethyl cyclobutadiene nickel]
Central atom: 
Nickel
Attached groups: 
Cl (chloro)
Cl (μ₂-chloro)
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
Charge on central atom: 
0
Compound type: 
Oligomer
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

[Pt(Cl)₂(SbPh₃)(η⁴-C₄Me₄)]

Formula Unicode styled: 
[Pt(Cl)₂(SbPh₃)(η⁴-C₄Me₄)]
Compound name(s): 
Dichloro-(η⁴-tetramethylcyclobutadiene)-triphenylstibine-platinum
Central atom: 
Platinum
Attached groups: 
Cl (chloro)
SbPh₃ (triphenylstibane)
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
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: 
Pt«V4C5OIVE18B6Z0X4L2»
[MLXZ]𝘲 class: 
[MX4L2]
MLXZ class (ENC, equivalent neutral class): 
MX4L2

[Pt(η⁴-C₄Me₄)(η⁶-C₆Me₆)]²⊕

Formula Unicode styled: 
[Pt(η⁴-C₄Me₄)(η⁶-C₆Me₆)]²⊕
Compound name(s): 
(η⁶-Hexamethylbenzene)-(η⁴-tetramethylcyclobutadiene)-platinum(2+)
Central atom: 
Platinum
Attached groups: 
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
C₆Me₆ (hexamethylbenzene)
Charge on central atom: 
2
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: 
Pt«V4C5OIVE18B6Z0X2L4»2⊕
[MLXZ]𝘲 class: 
[MX2L4]2+
MLXZ class (ENC, equivalent neutral class): 
MX4L2

cis–[Pt(CF₃)(PMe₂Ph)₂(η⁴-C₄Me₄)]⊕

Formula Unicode styled: 
cis–[Pt(CF₃)(PMe₂Ph)₂(η⁴-C₄Me₄)]⊕
Compound name(s): 
Tetramethylcyclobutadiene-trifluoromethyl-bis(dimethylphenylphosphine)-platinum(1+)
Central atom: 
Platinum
Attached groups: 
CF₃ (trifluoromethyl)
PMe₂Ph (dimethylphenylphosphane)
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
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: 18
Summary of calculated classifications: 
Pt«V4C5OIVE18B6Z0X3L3»⊕
[MLXZ]𝘲 class: 
[MX3L3]+
MLXZ class (ENC, equivalent neutral class): 
MX4L2

[Re(CO)₄(η⁴-C₄Me₄)]⊕

Formula Unicode styled: 
[Re(CO)₄(η⁴-C₄Me₄)]⊕
Compound name(s): 
(eta⁴-Tetramethylcyclobutadiene)-tetracarbonyl-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
CO (carbonyl)
C₄Me₄ (η⁴-tetramethylcyclobutadiene)
Charge on central atom: 
1
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: 
Re«V3C6OIIIE18B7Z0X2L5»⊕
[MLXZ]𝘲 class: 
[MX2L5]+
MLXZ class (ENC, equivalent neutral class): 
MX3L4