Mg Si 
 1.0000000000000000
     4.9143000000000141    0.0000000000000000    0.0000000000000000
    -2.4571500000000071    4.2559086418178786    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.8945999999999987
 Mg  Si 
   4   2
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000
  0.0000000000000000  0.0000000000000000  2.9472999999999994
  0.0000000000000000  2.8372724278785850  1.4736499999999997
  2.4571500000000066  1.4186362139392927  4.4209499999999995
  0.0000000000000000  2.8372724278785850  4.4209499999999995
  2.4571500000000066  1.4186362139392927  1.4736499999999997