Species with data from:

Seetula, J.A.; Russell, J.J.; Gutman, D., Kinetics and Thermochemistry of the Reactions of Alkyl Radicals with HI: A Reconciliation of the Alkyl Radical Heats of Formation, J. Am. Chem. Soc., 1990, 112, 4, 1347, https://doi.org/10.1021/ja00160a009 .

4 matching species were found.

For each matching species the following will be displayed:

• Chemical name
• Chemical formula
• Structure image (if available)

Click on the name to see more data.

1. Butane (C₄H₁₀)
   
2. 2-Butyl radical (C₄H₉)
   
3. Hydrogen cation (H⁺)
   
4. Et(Me)CH anion (C₄H₉^-)

© 2026 by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.