4 Mg 0.014771191927495 0.295534410002176 0.006014570924093 Sn 1.207634716184697 1.421390439186226 0.127711062730231 Mg 1.275214495030949 -0.146109798202315 1.262694405271671 Sn 0.028059047348941 1.327655013394301 1.641205494902533