The Configuration of the Bipyridine Molecule Is Changed by Binding An Iron Atom (image) University of Basel Share Print E-Mail Caption The configuration of the bipyridine molecule is changed by binding an iron atom (brown). The chemical composition of the molecules is the same, but their spatial arrangement and chemical properties are very different. Credit Image: University of Basel, Department of Physics Usage Restrictions None Share Print E-Mail 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.