MeC≡CMe (butyne)

trans–[W(Cl)₄(MeC≡CMe)(Thf)]

Formula Unicode styled: 
trans–[W(Cl)₄(MeC≡CMe)(Thf)]
Compound name(s): 
Tetrachloro-(dimethylethen-1,2-diyl)-tetrahydrofuran-tungsten
Central atom: 
Tungsten
Attached groups: 
Cl (chloro)
MeC≡CMe (butyne)
Thf (tetrahydrofuran)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
W«V4C6OIVE14B6Z0X4L2»
[MLXZ]𝘲 class: 
[MX4L2]
MLXZ class (ENC, equivalent neutral class): 
MX4L2

[W(OPh)(MeC≡CMe)₂(Cp*)]

Formula Unicode styled: 
[W(OPh)(MeC≡CMe)₂(Cp*)]
Compound name(s): 
bis(η-But-2-yne)-(η-pentamethylcyclopentadienyl)-phenoxy-tungsten
Central atom: 
Tungsten
Attached groups: 
OPh (phenoxy)
MeC≡CMe (butyne)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V2C6OIIE16B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[W(I)₂(CO)₂(MeC≡CMe)₂]

Formula Unicode styled: 
[W(I)₂(CO)₂(MeC≡CMe)₂]
Compound name(s): 
bis(mu-2-Butyne)-dicarbonyl-di-iodo-tungsten
Central atom: 
Tungsten
Attached groups: 
I (iodo)
CO (carbonyl)
MeC≡CMe (butyne)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V2C6OIIE16B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4