Cyclopropyne
Chemical compound
From Wikipedia, the free encyclopedia
Cyclopropyne is an extremely strained, unstable, and reactive cycloalkyne with the chemical formula C3H2.[1][2] As the smallest cycloalkyne, it features a three-carbon ring that includes a triple bond. The significant ring strain makes the compound challenging to produce and causes its high reactivity.[3]
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| Names | |||
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| Preferred IUPAC name
Cyclopropyne | |||
| Identifiers | |||
3D model (JSmol) |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |||
| C3H2 | |||
| Molar mass | 38.049 g·mol−1 | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Theoretical studies
Although cyclopropyne is challenging to isolate, it has been extensively investigated through theoretical studies aimed at exploring its electronic structure, energy properties, and vibrational characteristics. A similar compound called silacyclopropyne, in which a silicon atom substitutes one of the carbon atoms in the ring, has been successfully synthesized and examined.[4][5]

