First-principles study of structural, mechanical, dynamical stability, electronic and optical properties of orthorhombic CH3NH3SnI3 under pressureIbrahim Omer Abdallah Ali, Daniel P. Joubert and Mohammed S.H. SuleimanEur. Phys. J. B, 92 9 (2019) 202DOI: https://doi.org/10.1140/epjb/e2019-100101-1