C=CH₂ (vinylidene, ethynylidene)

[Ru(=C=CH₂)(PPh₃)₂(Cp*)]⊕

Formula Unicode styled: 
[Ru(=C=CH₂)(PPh₃)₂(Cp*)]⊕
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-(ethenylidene)-bis(triphenylphosphine)-ruthenium(1+)
Central atom: 
Ruthenium
Attached groups: 
C=CH₂ (vinylidene, ethynylidene)
PPh₃ (triphenylphosphane)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ru«V4C6OIVE18B7Z0X3L4»⊕
[MLXZ]𝘲 class: 
[MX3L4]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ru(=C=CH₂)(PMe₂Ph)₂(Cp)]⊕

Formula Unicode styled: 
[Ru(=C=CH₂)(PMe₂Ph)₂(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-bis(dimethylphenylphosphine)-vinylidene-ruthenium(1+)
Central atom: 
Ruthenium
Attached groups: 
C=CH₂ (vinylidene, ethynylidene)
PMe₂Ph (dimethylphenylphosphane)
Cp (η⁵-cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ru«V4C6OIVE18B7Z0X3L4»⊕
[MLXZ]𝘲 class: 
[MX3L4]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

cis,cis,trans–[Ru(Cl)(=C=CH₂)(Dppm-κ²P)₂]⊕

Formula Unicode styled: 
cis,cis,trans–[Ru(Cl)(=C=CH₂)(Dppm-κ²P)₂]⊕
Compound name(s): 
Chloro-bis(bis(diphenylphosphino)methane)-vinylidene-ruthenium(1+)
Central atom: 
Ruthenium
Attached groups: 
Cl (chloro)
C=CH₂ (vinylidene, ethynylidene)
Dppm (bis-(diphenylphosphino)methane-κ²P)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ru«V4C6OIVE18B7Z0X3L4»⊕
[MLXZ]𝘲 class: 
[MX3L4]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

trans–[Mn(C≡CSiEt₃)(=C=CH₂)(Dmpe)₂]

Formula Unicode styled: 
trans–[Mn(C≡CSiEt₃)(=C=CH₂)(Dmpe)₂]
Compound name(s): 
bis(1,2-bis(Dimethylphosphino)ethane)-((triethylsilyl)ethynyl)-(vinylidene)-manganese
Central atom: 
Manganese
Attached groups: 
C≡CSiEt₃ (triethylsilylalkynyl)
C=CH₂ (vinylidene, ethynylidene)
Dmpe (1,2-bis-(dimethylphosphino)ethane)
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: 
Mn«V3C6OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Mn(=C=CH₂)(Dmpe)]

Formula Unicode styled: 
[Mn(=C=CH₂)(Dmpe)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-(vinylidene)-(1,2-bis(dimethylphosphino)ethane)-manganese
Central atom: 
Manganese
Attached groups: 
C=CH₂ (vinylidene, ethynylidene)
Dmpe (1,2-bis-(dimethylphosphino)ethane)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 13
Summary of calculated classifications: 
Mn«V2C3OIIE13B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Os(H)(=C=CH₂)(HC≡CH)(PPrⁱ₃)₂]⊕

Formula Unicode styled: 
[Os(H)(=C=CH₂)(HC≡CH)(PPrⁱ₃)₂]⊕
Compound name(s): 
(η-Ethyne)-hydrido-bis(triisopropylphosphine)-(vinylidene)-osmium(1+)
Central atom: 
Osmium
Attached groups: 
H (hydrido)
C=CH₂ (vinylidene, ethynylidene)
HC≡CH (ethyne)
PPrⁱ₃ (triisopropylphosphane)
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: 16
Summary of calculated classifications: 
Os«V4C5OIVE16B6Z0X3L3»⊕
[MLXZ]𝘲 class: 
[MX3L3]+
MLXZ class (ENC, equivalent neutral class): 
MX4L2