18-crown-6 (18-crown-6-κ⁴O)

[Al₄(Me)₁₂(18-crown-6-κ⁴O)]

Formula Unicode styled: 
[Al₄(Me)₁₂(18-crown-6-κ⁴O)]
Compound name(s): 
(18-crown-6)-tetrakis(trimethyl-aluminium)
Central atom: 
Aluminium
Attached groups: 
Me (methyl)
18-crown-6 (18-crown-6-κ⁴O)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Al«V3C4OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Al(Cl)₂(18-crown-6-κ⁴O)]⊕

Formula Unicode styled: 
[Al(Cl)₂(18-crown-6-κ⁴O)]⊕
Compound name(s): 
dichloro-(18-crown-6)-aluminium(1+)
Central atom: 
Aluminium
Attached groups: 
Cl (chloro)
18-crown-6 (18-crown-6-κ⁴O)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
Al«V3C6OIIIE12B6Z0X2L4»⊕
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Ge(Cl)(18-crown-6-κ⁴O)]⊕

Formula Unicode styled: 
[Ge(Cl)(18-crown-6-κ⁴O)]⊕
Compound name(s): 
(18-crown-6)-chloro-germanium(1+)
Central atom: 
Germanium
Attached groups: 
Cl (chloro)
18-crown-6 (18-crown-6-κ⁴O)
Charge on central atom: 
1
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
Ge«V2C5OIIE12B5Z0X1L4»⊕
[MLXZ]𝘲 class: 
[MX1L4]+
MLXZ class (ENC, equivalent neutral class): 
MX2L3