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CAS 12078-25-0

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Dicarbonyl(η5-cyclopentadienyl)cobalt

Description:
Dicarbonyl(η5-cyclopentadienyl)cobalt, also known as cobalt cyclopentadienyl dicarbonyl, is a coordination compound featuring cobalt in a low oxidation state, typically +1. This compound is characterized by its unique structure, where a cobalt atom is coordinated to a cyclopentadienyl anion (η5-C5H5) and two carbonyl (CO) ligands. The η5 coordination indicates that the cyclopentadienyl ring is bonded to the cobalt atom through all five carbon atoms, creating a stable, aromatic system. Dicarbonyl complexes like this one are often used in organometallic chemistry and catalysis due to their ability to participate in various chemical reactions, including carbonylation and hydrogenation processes. The presence of carbonyl ligands contributes to the compound's reactivity and stability, while the cyclopentadienyl moiety provides a robust framework that enhances the electronic properties of the cobalt center. This compound is typically handled under inert atmospheres due to its sensitivity to air and moisture, which can lead to degradation or oxidation.
Formula:C7H5CoO2
InChI:InChI=1S/C5H5.2CO.Co/c1-2-4-5-3-1;2*1-2;/h1-5H;;;/q-1;;;+1
InChI key:InChIKey=YYRAULYCFRKMHI-UHFFFAOYSA-N
SMILES:C(#O)[Co+]1234(C#O)[CH-]5[CH]1=[CH]2[CH]3=[CH]45
Synonyms:
  • Cobalt dicarbonyl cyclopentadiene
  • Cobalt, dicarbonyl(η<sup>5</sup>-2,4-cyclopentadien-1-yl)-
  • Cobalt, dicarbonyl-π-cyclopentadienyl-
  • Cobalt, dicarbonylcyclopentadienyl-
  • Cyclopentadienylcobalt dicarbonyl
  • Cyclopentadienyldicarbonylcobalt
  • Dicarbonyl(η<sup>5</sup>-2,4-cyclopentadien-1-yl)cobalt
  • Dicarbonyl(η<sup>5</sup>-cyclopentadienyl)cobalt
  • Dicarbonyl-π-cyclopentadienyl cobalt
  • η<sup>5</sup>-Cyclopentadienylcobalt dicarbonyl
  • See more synonyms
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