"Cycloethane" (Ethene)
03:13 PM
28 / 1 / 2022
424
Author : John D. Roberts and Marjorie C. Caserio
Book or Source : Basic Principles of Organic Chemistry : LibreTexts project
page : ............
If one is willing to consider a carbon-carbon double bond as a two-membered ring, then ethene, C2H4, is the simplest possible cycloalkane ("cycloethane"). As such, C2H4 has C−C−C valence angles of 0o and therefore an angle strain of 109.5o at each CH2 group compared to the tetrahedral value:
