C(OCH₂CH₂O) (2,5-dioxocyclopentylidene)

cis–[Re(Br)(CO)₄{C(OCH₂CH₂O)}]

Formula Unicode styled: 
cis–[Re(Br)(CO)₄{C(OCH₂CH₂O)}]
Compound name(s): 
Bromo-tetracarbonyl-(1,3-dioxolan-2-ylidene)-rhenium
Central atom: 
Rhenium
Attached groups: 
Br (bromo)
CO (carbonyl)
C(OCH₂CH₂O) (2,5-dioxocyclopentylidene)
Charge on central atom: 
0
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«V1C6OIE18B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5