10c Crystal and the Instrument Used in the Study (image) Hokkaido University Share Print E-Mail Caption This is the 10c crystal (left) which showed the longest C-C bond and the X-ray diffraction instrument used for the analysis (right). Credit Hokkaido University Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. 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.