CHMe=CHMe (but-2-ene)

[Re(CHMe=CHMe)(PPh₃)(NO)(Cp)]⊕

Formula Unicode styled: 
[Re(CHMe=CHMe)(PPh₃)(NO)(Cp)]⊕
Compound name(s): 
(η²-2-Butene-Z)-(η⁵-cyclopentadienyl)-nitroso-triphenylphosphine-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
CHMe=CHMe (but-2-ene)
PPh₃ (triphenylphosphane)
NO (nitrosyl, linear)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
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«V5C6OIE18B8X2L5Z1»⊕
[MLXZ]𝘲 class: 
[MX2L5Z1]+
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Re(CHMe=CHMe)(PPh₃)(NO)(Cp)]⊕

Formula Unicode styled: 
[Re(CHMe=CHMe)(PPh₃)(NO)(Cp)]⊕
Compound name(s): 
(η²-2-Butene-E)-(η⁵-cyclopentadienyl)-nitroso-triphenylphosphine-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
CHMe=CHMe (but-2-ene)
PPh₃ (triphenylphosphane)
NO (nitrosyl, linear)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
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«V5C6OIE18B8X2L5Z1»⊕
[MLXZ]𝘲 class: 
[MX2L5Z1]+
MLXZ class (ENC, equivalent neutral class): 
MX5L3