Species with data from:

Mo, O.; Yanez, M.; Decouzon, M.; Gal, J.F.; Maria, P.C.; Guillemin, J.L., Gas-phase basicity and acidity trends in alpha,beta-unsaturated amines, phosphines, and arsines, J. Am. Chem. Soc., 1999, 121, 19, 4653-4663, https://doi.org/10.1021/ja982657e .

9 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. Phosphine, ethyl- (C₂H₇P)
   
2. Hydrogen cation (H⁺)
   
3. 1-Phosphapropyne (C₂H₃P)
4. Vinyl phosphine (C₂H₅P)
   
5. CH2=CHNH anion (C₂H₄N^-)
6. CH2=CHPH anion (C₂H₄P^-)
7. HCðCPH anion (C₂H₂P^-)
8. EtPH anion (C₂H₆P^-)
9. C2H5N (C₂H₅N)

© 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.