Geometry of a Molecular Cluster (IMAGE) Technische Universität Dresden Caption Geometry of a molecular cluster of dopant and host molecules with benzimidazoline dopant and a C60 molecule (ball and stick model; atoms are indicated in blue (N), dark grey (C) and light grey (H)) surrounded by C60 molecules (stick model). Credit S. Schellhammer/ F. Ortmann 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.