Iridium silicon (1:1), IrSi
1.0
        3.5472857952         0.0000000000         0.0000000000
       -1.7736428976         3.0720396131         0.0000000000
        0.0000000000         0.0000000000         5.3829836845
   Ir   Si
    2    2
Direct
     0.000000000         0.000000000         0.000000000
     0.000000000         0.000000000         0.500000000
     0.333333343         0.666666687         0.250000000
     0.666666687         0.333333343         0.750000000
