Fluorenyl Cation (IMAGE) Ruhr-University Bochum Caption The image shows the fluorenyl cation in water at 3 K. The image was created on the basis of QM/MM molecular dynamics simulations. Credit RUB, Lehrstuhl Sander Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.