Mg Sn 
 1.0000000000000000
     6.1607969063159391   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.1607969063159391   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.1607969063159391
 Mg  Sn 
   8   4
Selective dynamics
Cartesian
  1.5401992265789848  1.5401992265789846  1.5401992265789846   T   T   T
  4.6205976797369512  4.6205976797369512  1.5401992265789846   T   T   T
  4.6205976797369512  1.5401992265789846  4.6205976797369512   T   T   T
  1.5401992265789848  4.6205976797369512  4.6205976797369512   T   T   T
  1.5401992265789848  1.5401992265789843  4.6205976797369512   T   T   T
  4.6205976797369512  4.6205976797369512  4.6205976797369512   T   T   T
  1.5401992265789848  4.6205976797369512  1.5401992265789846   T   T   T
  4.6205976797369512  1.5401992265789843  1.5401992265789846   T   T   T
  0.0000000000000000 -0.0000000000000004 -0.0000000000000004   T   T   T
 -0.0000000000000000  3.0803984531579691  3.0803984531579691   T   T   T
  3.0803984531579696 -0.0000000000000004  3.0803984531579691   T   T   T
  3.0803984531579696  3.0803984531579691 -0.0000000000000004   T   T   T