=CCl₂ (dichloromethylidene)

[P{N(SiMe₃)₂}(=CCl₂)]

Formula Unicode styled: 
[P{N(SiMe₃)₂}(=CCl₂)]
Compound name(s): 
bis(trimethylsilyl)amino-(dichloromethylene)phosphine
Central atom: 
Phosphorus
Attached groups: 
N(SiMe₃)₂ (bis(trimethylsilyl)amino)
=CCl₂ (dichloromethylidene)
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: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C2OIIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Fe(=CCl₂)(CO)₂(Cp)]⊕

Formula Unicode styled: 
[Fe(=CCl₂)(CO)₂(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-dicarbonyl-dichlorocarbene-iron(1+_
Central atom: 
Iron
Attached groups: 
=CCl₂ (dichloromethylidene)
CO (carbonyl)
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: 
Fe«V4C6OIVE18B7Z0X3L4»⊕
[MLXZ]𝘲 class: 
[MX3L4]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[O(=CCl₂)]

Formula Unicode styled: 
[O(=CCl₂)]
Compound name(s): 
Carbon oxide dichloride
Central atom: 
Oxygen
Attached groups: 
=CCl₂ (dichloromethylidene)
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: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2