Mg Sn 
 1.0000000000000000
     4.4161000000000179    0.0000000000000000    0.0000000000000000
    -2.2080500000000089    3.8244547856524749    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.1717000000000004
 Mg  Sn 
   4   2
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000
  0.0000000000000000  0.0000000000000000  2.5858500000000002
  0.0000000000000001  2.5496365237683163  1.2929250000000001
  2.2080500000000094  1.2748182618841584  3.8787750000000001
  0.0000000000000001  2.5496365237683163  3.8787750000000001
  2.2080500000000094  1.2748182618841584  1.2929250000000001