En (ethylenediamine-κN)

[Ga(Te)₂(En-κN)₂]⊖

Formula Unicode styled: 
[Ga(Te)₂(En-κN)₂]⊖
Compound name(s): 
ditellurido-bis(ethylenediamine-N)-gallium(1-)
Central atom: 
Gallium
Attached groups: 
Te (telluro Te⊖ X)
En (ethylenediamine-κN)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Ga«V3C4OIIIE8B4Z0X2L2»⊕
[MLXZ]𝘲 class: 
[MX2L2]+
MLXZ class (ENC, equivalent neutral class): 
MX3L1

fac–[Re(CO)₃(En-κN)(En)]⊕

Formula Unicode styled: 
fac–[Re(CO)₃(En-κN)(En)]⊕
Compound name(s): 
Tricarbonyl-bis(ethylenediamine)-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
CO (carbonyl)
En (ethylenediamine-κN)
En (ethylenediamine)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V1C6OIE18B6Z0X0L6»⊕
[MLXZ]𝘲 class: 
[ML6]+
MLXZ class (ENC, equivalent neutral class): 
MX1L5