Twisted Amides (IMAGE) National Institutes of Natural Sciences Caption The single crystal structure analysis showed that the planar amide molecules were twisted up to 34 degrees inside the cage. The rate of hydrolysis by a base was accelerated by a factor of five. Credit NINS/IMS 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.