Species with data from:

Frankowski, M.; Sun, Z.; Smith-Gicklhorn, A.M., Unraveling the possible isomers of CH4CN+ and CH2CN+ through FT-IR matrix-isolation spectroscopy of mass-selected ions and DFT theory, Phys. Chem. Chem. Phys., 2005, 7, 5, 797, https://doi.org/10.1039/b415412f .

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. CH3CNH+ (C₂H₄N⁺)
2. CD3CND+ (C₂D₄N⁺)
3. HCCNH+ (C₂H₂N⁺)
4. DCCND+ (C₂D₂N⁺)

© 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.