 Se Sn
   1.0
     4.2160235500000001    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.2160235500000001    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.8796400300000000
 Se Sn
   2   2
Direct
   0.5000000000000000  0.0000000000000000  0.7499961700000000
   0.0000000000000000  0.5000000000000000  0.2500038300000000
   0.5000000000000000  0.0000000000000000  0.2499996600000000
   0.0000000000000000  0.5000000000000000  0.7500003399999999