Species with data from:

Eaton, J.G.; Sarkas, H.W.; Arnold, S.T.; Mchugh, K.M.; Bowen, K.H., Negative Ion Photoelectron Spectroscopy of the Heteronuclear Alkali-Metal Dimer and Trimer Anions - NaK-, KRb-, RbCS-, KCs-, Na2K-, and K2Cs, Chem. Phys. Lett., 1992, 193, 1-3, 141, https://doi.org/10.1016/0009-2614(92)85697-9 .

8 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. Dipotassium (K₂)
   
2. Potassium sodide (KNa)
   
3. Cesium, compound with rubidium (1:1) (CsRb)
   
4. Potassium, compound with rubidium (1:1) (KRb)
   
5. Cesium, compound with potassium (1:1) (CsK)
   
6. Potassium, compound with sodium(1:2) (KNa₂)
7. K2 anion (K₂^-)
8. K2Cs (CsK₂)

© 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.