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Species with data from:

Kohn, D.W.; Chen, P., Vibrational structure in the photoelectron spectrum of cyclobutadiene as a probe of structure, J. Am. Chem. Soc., 1993, 115, 2844.

2 matching species were found.

For each matching species the following will be displayed:

Click on the name to see more data.

  1. Cyclobutadiene (C4H4)
  2. cyc-C4H4+ (C4H4+)