Cr(CO)₅ (pentacarbonylchromium X₂)

[C(Ph)₂{Cr(CO)₅}]

Formula Unicode styled: 
[C(Ph)₂{Cr(CO)₅}]
Compound name(s): 
Pentacarbonyl-chromium-(diphenylcarbene)
Central atom: 
Carbon
Attached groups: 
Ph (phenyl)
Cr(CO)₅ (pentacarbonylchromium X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C3O-IIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[C(NEt₂){Cr(CO)₅}]⊕

Formula Unicode styled: 
[C(NEt₂){Cr(CO)₅}]⊕
Compound name(s): 
Pentacarbonyl-(N,N-diethylaminocarbyne)-chromium(1+)
Central atom: 
Carbon
Attached groups: 
NEt₂ (diethylamino: planar)
Cr(CO)₅ (pentacarbonylchromium X₂)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OOE8B4Z0X3L1»⊕
[MLXZ]𝘲 class: 
[MX3L1]+
MLXZ class (ENC, equivalent neutral class): 
MX4