Nonplanarity in Hueckel 2.pi. aromatic systems. An NMR/IGLO/ab initio proof of the puckered structure of cyclobutadiene dications.
- 1 February 1989
- journal article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 111 (3), 1147-1148
- https://doi.org/10.1021/ja00185a065