Model of Ice VI (IMAGE) University of Innsbruck Caption Model of ice VI, the large red and blue spheres represent oxygen atoms, the small spheres hydrogen atoms. Credit Uni Innsbruck Usage Restrictions Credit as mentioned 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.