Figure 2. (IMAGE) Science China Press Caption A) Synthesis of chloroosmacyclopentatrienes, B) resonance structures of complex 10, C) X-ray structures and selected bond distances of Os–Cl. Credit ©Science China Press Usage Restrictions Use with credit. License Original 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.