Lattice constants for the in cubic phase in Angstrom:

CsPbI3		6.1769
CsPbBr3		5.874
CsPbCl3		5.605
CsSnI3		6.219
CsSnBr3		5.80
CsSnCl3		5.56
CsGeI3		6.05
CsGeBr3		5.69
CsGeCl3		5.47