SeEt (ethylselenyl)

catena–1D-[Sn(Ph)₃(SeEt)]

Formula Unicode styled: 
catena–1D-[Sn(Ph)₃(SeEt)]
Compound name(s): 
catena-[triphenyl-(μ₂-ethylselenyl)-tin]
Central atom: 
Tin
Attached groups: 
Ph (phenyl)
SeEt (ethylselenyl)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 10
Summary of calculated classifications: 
Sn«V4C5OIVE10B5Z0X4L1»
[MLXZ]𝘲 class: 
[MX4L1]
MLXZ class (ENC, equivalent neutral class): 
MX4L1

[Al(SeEt)₃(NMe₃)]

Formula Unicode styled: 
[Al(SeEt)₃(NMe₃)]
Compound name(s): 
Trimethylamino-tris(ethylselenolato)-aluminium
Central atom: 
Aluminium
Attached groups: 
SeEt (ethylselenyl)
NMe₃ (trimethylamine)
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

[Ga(SeEt)₄]⊖

Formula Unicode styled: 
[Ga(SeEt)₄]⊖
Compound name(s): 
tetrakis(ethylthiolato)-gallium(1-)
Central atom: 
Gallium
Attached groups: 
SeEt (ethylselenyl)
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«V3C4OIIIE8B4Z0L0X4»⊖
[MLXZ]𝘲 class: 
[MX4]-
MLXZ class (ENC, equivalent neutral class): 
MX3L1