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Cobalt(II) carbonyl

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Identification
Molecular formula
Co(CO)4
CAS number
10210-68-1
IUPAC name
cobaltous;carbon monoxide;cobalt;methanone
State
State

At room temperature, cobalt(II) carbonyl is typically found in a solid state. It requires an inert atmosphere for storage as it can decompose when exposed to air.

Melting point (Celsius)
51.00
Melting point (Kelvin)
324.15
Boiling point (Celsius)
103.00
Boiling point (Kelvin)
376.15
General information
Molecular weight
171.94g/mol
Molar mass
171.9400g/mol
Density
1.8300g/cm3
Appearence

Cobalt(II) carbonyl, often referred to simply as cobalt carbonyl, is a bright reddish-brown crystalline solid. It often forms octahedral or other crystalline structures and can exhibit a metallic sheen. It is highly sensitive to air and moisture, which can affect its color and appearance over time.

Comment on solubility

Solubility of Cobaltous Carbon Monoxide (Co(CO))

The solubility of cobaltous carbon monoxide in various solvents showcases its intriguing chemical behavior. Here are some key points to consider:

  • Polar Solvents: Cobaltous carbon monoxide tends to have limited solubility in polar solvents such as water. This is primarily due to its non-polar nature derived from the carbon monoxide ligands.

  • Non-Polar Solvents: In contrast, cobaltous carbon monoxide demonstrates much higher solubility in non-polar solvents like benzene or hexane, where it forms stable complexes.

  • Temperature Dependence: The solubility can be affected by temperature; generally, increased temperature enhances solubility in non-polar solvents.

  • Concentration Effects: At lower concentrations, cobaltous carbon monoxide may behave differently compared to higher concentrations, impacting its solubility characteristics.

In summary, the solubility of cobaltous carbon monoxide is influenced by the nature of the solvent, temperature, and concentration, making it a fascinating compound for studies of solubility and coordination chemistry.

Interesting facts

Interesting Facts about Cobaltous Carbon Monoxide (Cobalt Methanone)

Cobaltous carbon monoxide, often referred to as cobalt methanone, is an intriguing compound that showcases the versatility and complexity of transition metal complexes. Here are some captivating aspects worth noting:

  • Metal-Carbon Bonding: Cobaltous carbon monoxide emphasizes the importance of metal-carbon interactions, allowing us to explore how the metal center can stabilize various ligands such as carbon monoxide.
  • Catalytic Properties: This compound is significant in catalysis, acting as a catalyst in several chemical reactions. Its ability to facilitate reactions while remaining unchanged makes it a subject of interest in synthetic chemistry.
  • Electronics and Magnetic Properties: Cobalt is known for its interesting magnetic properties. Compounds like cobaltous carbon monoxide can exhibit unique electronic behaviors, which have implications in the development of advanced materials, including magnets and electronic devices.
  • Coordination Chemistry: In coordination compounds, cobalt's ability to change its oxidation state allows for diverse coordination geometries, making cobaltous carbon monoxide valuable in creating different complex structures.
  • Historical Significance: Cobalt has been used for centuries, with roots tracing back to ancient societies. The study of cobaltous compounds paved the way for advancements in metallurgy and the understanding of transition metals.

In the realm of inorganic chemistry, cobaltous carbon monoxide serves as a prime example of how combining different elements can lead to compounds with remarkable properties and applications. As researchers continue to explore this fascinating compound, it stands at the intersection of theoretical study and practical application in modern chemistry.

Synonyms
Co2(CO)8
Dicobalt carbonyl (Co2(CO)8)
DTXSID10895040
Dicobalt carbonyl
HSDB 6345
Di-mu-carbonylhexacarbonyldicobalt
Cobalt octacarbonyl (Co2(CO)8)
Cobalt tetracarbonyl
EINECS 233-514-0
Cobalt, di-mu-carbonylhexacarbonyldi-
Cobalto tetracarbonilo
Cobalttetracarbonyl dimer
Cobalt carbonyl (ACGIH)
Dimucarbonylhexacarbonyldicobalt
COBALT CARBONYL (as Co)
MDH533S43Q
Cobalto tetracarbonilo (Spanish)
DTXSID60109341
di-mu-carbonylhexacarbonyldi-Cobalt
DICOBALT OCTACARBONYL [MI]
DTXCID001838999
di-mu-carbonylhexacarbonyldi-Cobalt(co-co)
DI-MU-CARBONYLHEXACARBONYLDICOBALT (CO-CO)
DI-.MU.-CARBONYLHEXACARBONYLDICOBALT (CO-CO)
233-514-0
37264-96-3
10210-68-1
10210-68-1; 37264-96-3
10210-68-137264-96-3
cobalt carbonyl
cobalt carbonyl (co2(co)8)
cobalt octacarbonyl
cobalt tetracarbonyl dimer
cobalt, di-.mu.-carbonylhexacarbonyldi-, (co-co)
cobalt, di-mu-carbonylhexacarbonyldi-, (co-co)
di-.mu.-carbonylhexacarbonyldicobalt
dicobalt octacarbonyl
octacarbonyldicobalt
octakis(methanidylidyneoxidanium) dicobalt
D3213
Dicobalt Octacarbonyl (stabilized with 1-5% Hexane)