// Scilab Code Ex4.5 Ionic Radius occupying an octahedral position: Page-138 (2010)
R_ratio = 0.414;    // Radius ratio for an octahedral void in am M+X- ionic lattice
R_x = 2.5D-10;    // Critical radius of X- anion, m
R_m = R_x*0.414;    // Radius of M+ cation, m
disp(R_m/1D-10, "The radius of cation occupying octahedral position in an M+X- ionic solid, in angstrom, is : ");
//Result
// The radius of cation occupying octahedral position in an M+X- ionic solid, in angstrom, is :  
// 1.035