Me₃CC≡CCMe₃ (di-t-butyl-ethyne L₂)

[Co₂(CO)₆(Me₃CC≡CCMe₃)]

Formula Unicode styled: 
[Co₂(CO)₆(Me₃CC≡CCMe₃)]
Compound name(s): 
(di-t-butylacetylene)-hexacarbonyl-di-cobalt
Central atom: 
Cobalt
Attached groups: 
CO (carbonyl)
Me₃CC≡CCMe₃ (di-t-butyl-ethyne L₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Co«V1C4.5OOE18B5Z0X1L4»
[MLXZ]𝘲 class: 
[MX1L4]
MLXZ class (ENC, equivalent neutral class): 
MX1L4

[Os(Me₃CC≡CCMe₃)(PMe₃)₃]

Formula Unicode styled: 
[Os(Me₃CC≡CCMe₃)(PMe₃)₃]
Compound name(s): 
(η-1,2-Di-t-butylethyne)-tris(trimethylphosphine)-osmium
Central atom: 
Osmium
Attached groups: 
Me₃CC≡CCMe₃ (di-t-butyl-ethyne L₂)
PMe₃ (trimethylphosphane)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 0
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V0C4OOE18B5Z0X0L5»
[MLXZ]𝘲 class: 
[ML5]
MLXZ class (ENC, equivalent neutral class): 
ML5