OSi(OBuᵗ)₃ (tri-t-butoxy-siloxy XL)

fac–[Th{OSi(OBuᵗ₃)}₃(N₃)₃]²⊖

Formula Unicode styled: 
fac–[Th{OSi(OBuᵗ₃)}₃(N₃)₃]²⊖
Compound name(s): 
tris(tri-t-butoxysilanolato)-tris(azido)-thorium(2-)
Central atom: 
Thorium
Attached groups: 
OSi(OBuᵗ)₃ (tri-t-butoxy-siloxy XL)
N₃ (azido)
Charge on central atom: 
-2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Th«V4C6OIVE18B9Z0X6L3»2⊖
[MLXZ]𝘲 class: 
[MX6L3]2-
MLXZ class (ENC, equivalent neutral class): 
MX4L5

[Tb{OSi(OBuᵗ₃)}{OSi(OBuᵗ₃)}₃]

Formula Unicode styled: 
[Tb{OSi(OBuᵗ₃)}{OSi(OBuᵗ₃)}₃]
Compound name(s): 
tris(tri-t-butyl orthosilicate)-(tri-t-butyl orthosilicate-κ²O)-terbium
Central atom: 
Terbium
Attached groups: 
OSi(OBuᵗ)₃ (tri-t-butoxy-siloxy)
OSi(OBuᵗ)₃ (tri-t-butoxy-siloxy XL)
Charge on central atom: 
0
Compound type: 
Molecular
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: 23
Summary of calculated classifications: 
Tb«V4C5OIVE23B8Z0X4L4»
[MLXZ]𝘲 class: 
[MX4L4]
MLXZ class (ENC, equivalent neutral class): 
MX4L4