Hg Se 
 1.0000000000000000
     4.5234759771730131   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.5234759771730131   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.5234759771730131
 Hg  Se 
   4   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.2617379885865065  2.2617379885865070   T   T   T
  2.2617379885865065 -0.0000000000000000  2.2617379885865065   T   T   T
  2.2617379885865065  2.2617379885865065 -0.0000000000000000   T   T   T
  2.2617379885865065  2.2617379885865065  2.2617379885865070   T   T   T
  2.2617379885865065 -0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.2617379885865065 -0.0000000000000000   T   T   T
 -0.0000000000000000 -0.0000000000000000  2.2617379885865065   T   T   T