Thioxoethenylidene

Chemical compound

Thioxoethenylidene, also known as carbon monosulfide, is a chemical compound with the formula CS. It is a diatomic molecule and is isoelectronic with carbon monoxide (CO). The compound is notable for its presence in the interstellar medium and has been detected in space using radio astronomy.

Structure and Bonding

Thioxoethenylidene is a linear molecule with a triple bond between the carbon and sulfur atoms. The bond length is approximately 1.535 Å, which is shorter than a typical C-S single bond, indicating significant multiple bond character. The molecule is isoelectronic with carbon monoxide, sharing similar electronic properties.

Occurrence

Carbon monosulfide has been observed in the interstellar medium, particularly in molecular clouds where it is formed under conditions of low temperature and pressure. It is one of the many interstellar molecules that provide insight into the chemical processes occurring in space.

Reactivity

In the laboratory, carbon monosulfide is highly reactive and can polymerize to form polythiocarbonates. It can also react with metal complexes to form metal carbonyl sulfide complexes, which are of interest in coordination chemistry.

Applications

While carbon monosulfide itself is not widely used in industrial applications, its detection in space is important for astrochemistry and the study of chemical evolution in the universe. Understanding its formation and reactions helps scientists learn more about the conditions and processes in space environments.

See also

• Carbon monoxide
• Interstellar medium
• Astrochemistry