Ab initio study of structural and mechanical property of solid molecular hydrogens Yingting Ye, Li Yang, Tianle Yang, Jinlan Nie, Shuming Peng, Xinggui Long, Xiaotao Zu and Jincheng Du Eur. Phys. J. B, 88 6 (2015) 161 Published online: 22 June 2015 DOI: 10.1140/epjb/e2015-60042-5