Species with data from:

Masamune, S.; Souto-Bachiller, F.A.; Machiguchi, T.; Bertie, J.E., Cyclobutadiene is not square, J. Am. Chem. Soc., 1978, 100, 15, 4889, https://doi.org/10.1021/ja00483a043 .

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. Cyclobutadiene (C₄H₄)
   
2. cyc-C4D4 (C₄D₄)