PHPh₂ (diphenylphosphane LZ₂)

[O(PHPh₂)]

Formula Unicode styled: 
[O(PHPh₂)]
Compound name(s): 
Hydro-diphenyl-oxo-phosphorus, diphenylphosphine oxide
Central atom: 
Oxygen
Attached groups: 
PHPh₂ (diphenylphosphane LZ₂)
Charge on central atom: 
0
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: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V4C1OOE8B3X0L1Z2»
[MLXZ]𝘲 class: 
[ML1Z2]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(PHPh₂)]

Formula Unicode styled: 
[Se(PHPh₂)]
Compound name(s): 
Diphenylphosphane selenide
Central atom: 
Selenium
Attached groups: 
PHPh₂ (diphenylphosphane LZ₂)
Charge on central atom: 
0
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: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Se«V4C1OOE8B3X0L1Z2»
[MLXZ]𝘲 class: 
[ML1Z2]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1