| Formula | Crystal System | a [Å] | b [Å] | c [Å] | β [deg] | The volume of unit cell, V(Å3) |
| Thin-film MAPbI3 | Monoclinic | 13.54 | 13.66 | 4.24 | 98.3 | 776.32 |
| Thin-film G-MAPbI3 | Monoclinic | 18.25 | 9.51 | 11.57 | 93.74 | 2003.7 |
| Powder MAPbI3 | Monoclinic | 12.82 | 6.03 | 14.15 | 97.32 | 1084.9 |
| Powder G-MAPbI3 | Monoclinic | 20.52 | 7.31 | 13.51 | 92 | 2028.05 |