Pa group (X₂ type)

[Pa(O)]

Formula Unicode styled: 
[Pa(O)]
Compound name(s): 
oxo-protactnium
protactinium monoxide
Central atom: 
Oxygen
Attached groups: 
Pa group (X₂ type)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
O«V6C6O-II»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Pa(Cl)₅(O)]²⊖

Formula Unicode styled: 
[Pa(Cl)₅(O)]²⊖
Compound name(s): 
oxopentachloro-protactinium(2-)
Central atom: 
Oxygen
Attached groups: 
Pa group (X₂ type)
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: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2