OAsMe₃ (μ₂-trimethylarsane oxide)

[Ca₂(OAsMe₃)₆(μ₂-OAsMe₃)₃]⁴⊕

Formula Unicode styled: 
[Ca₂(OAsMe₃)₆(μ₂-OAsMe₃)₃]⁴⊕
Compound name(s): 
nona-(Trimethylarsine oxide)-dicalcium(4+)
Central atom: 
Calcium
Attached groups: 
OAsMe₃ (trimethylarsane oxide)
OAsMe₃ (μ₂-trimethylarsane oxide)
Charge on central atom: 
4
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: 12
Summary of calculated classifications: 
Ca«V2C6OIIE12B6Z0X0L6»4⊕
[MLXZ]𝘲 class: 
[ML6]4+
MLXZ class (ENC, equivalent neutral class): 
MX2L4