Se (seleno; ZL₂)

[P(CH=CH₂)₃(Se)]

Formula Unicode styled: 
[P(CH=CH₂)₃(Se)]
Compound name(s): 
Trivinylphosphine selenide
Central atom: 
Phosphorus
Attached groups: 
CH=CH₂ (vinyl)
Se (seleno; ZL₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V5C4OVE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[P(Buᵗ)₃(Se)]

Formula Unicode styled: 
[P(Buᵗ)₃(Se)]
Compound name(s): 
Tris(t-butyl)phosphine selenide
Central atom: 
Phosphorus
Attached groups: 
Buᵗ (t-butyl)
Se (seleno; ZL₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V5C4OVE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1