 Cl Ca As
   1.0
     5.6836755900000000    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.6836755900000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.6836755900000000
 Cl Ca As
   3   3   1
Direct
   0.5000000000000000  0.0000000000000000  0.5000000000000000
   0.5000000000000000  0.5000000000000000  0.0000000000000000
   0.0000000000000000  0.5000000000000000  0.5000000000000000
   0.5000000000000000  0.0000000000000000  0.0000000000000000
   0.0000000000000000  0.5000000000000000  0.0000000000000000
   0.0000000000000000  0.0000000000000000  0.5000000000000000
   0.0000000000000000  0.0000000000000000  0.0000000000000000