Species with data from:

Yeh, L.I.; Lee, Y.T.; Hougen, J.T., Vibration-Rotation Spectroscopy of the Hydrated Hydronium Ions H5O+2 and H9O+4, J. Mol. Spectrosc., 1994, 164, 2, 473, https://doi.org/10.1006/jmsp.1994.1090 .

2 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. H5O2+ (H₅O₂⁺)
2. H9O4+ (H₉O₄⁺)