H Mg 
 1.0000000000000000
     3.9141438570218030    0.0000000000000000    0.0000000000000000
     0.0000000000000000    3.9141438570218030   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    3.9141438570218030
 H   Mg 
   8   4
Selective dynamics
Cartesian
  0.9785359642554503  0.9785359642554503  0.9785359642554503   T   T   T
  2.9356078927663525  2.9356078927663525  0.9785359642554503   T   T   T
  2.9356078927663525  0.9785359642554503  2.9356078927663525   T   T   T
  0.9785359642554503  2.9356078927663525  2.9356078927663525   T   T   T
  0.9785359642554503  0.9785359642554503  2.9356078927663525   T   T   T
  2.9356078927663525  2.9356078927663525  2.9356078927663525   T   T   T
  0.9785359642554503  2.9356078927663525  0.9785359642554503   T   T   T
  2.9356078927663525  0.9785359642554503  0.9785359642554503   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  1.9570719285109006  1.9570719285109006   T   T   T
  1.9570719285109006 -0.0000000000000000  1.9570719285109006   T   T   T
  1.9570719285109006  1.9570719285109006 -0.0000000000000000   T   T   T