Hg Se 
 1.0000000000000000
     6.0840015787914190   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    6.0840015787914190   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.0840015787914190
 Hg  Se 
   4   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  3.0420007893957104  3.0420007893957104   T   T   T
  3.0420007893957104 -0.0000000000000000  3.0420007893957104   T   T   T
  3.0420007893957104  3.0420007893957104 -0.0000000000000000   T   T   T
  1.5210003946978552  1.5210003946978552  1.5210003946978552   T   T   T
  4.5630011840935651  4.5630011840935651  1.5210003946978552   T   T   T
  4.5630011840935651  1.5210003946978552  4.5630011840935651   T   T   T
  1.5210003946978552  4.5630011840935651  4.5630011840935651   T   T   T