Reactions of D atoms with C2H4, H atoms with C2D4, and H atoms with C2H4, at room temperature are compared. Pronounced differences in the extent of isotopic exchange have been found. The observed isotopic and pressure effects provide evidence for the importance
[Chetcuti, M. J.; Chisholm, M. H.; Folting, K.; Haitko, D. A.; Huffman, J. C. Journal of the American Chemical Society, 1982 , vol. 104, # 8 p. 2138 - 2146]
