Se₃ (triseleno-κ²Se)

[

Formula Unicode styled: 
[(Se₃){Ti(η⁵-C₅H₅)₂}]
Compound name(s): 
(pentaselenido-Se,Se')-{bis(η⁵-cyclopentadienyl)-titanium}
Central atom: 
Selenium
Attached groups: 
Se₃ (triseleno-κ²Se)
Ti group (X₂ type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Se«V2C2O-IE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Zr(Se₃)(Cp*)₂]

Formula Unicode styled: 
[Zr(Se₃)(Cp*)₂]
Compound name(s): 
bis(η⁵-Pentamethyl-cyclopentadienyl)-triselenido-zirconium
Central atom: 
Zirconium
Attached groups: 
Se₃ (triseleno-κ²Se)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Zr«V4C8OIVE16B8Z0X4L4»
[MLXZ]𝘲 class: 
[MX4L4]
MLXZ class (ENC, equivalent neutral class): 
MX4L4

[Re(Cl)₂(Se₃)(Cp*)]

Formula Unicode styled: 
[Re(Cl)₂(Se₃)(Cp*)]
Compound name(s): 
(eta-Pentamethyl-cyclopentadienyl)-dichloro-(triselenido-Se,Se')-rhenium
Central atom: 
Rhenium
Attached groups: 
Cl (chloro)
Se₃ (triseleno-κ²Se)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Re«V5C7OVE16B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2