 Mg Sb Yb
   1.0
     4.6275831299999997    0.0000000000000000    0.0000000000000000
    -2.3137915699999998    4.0076045499999999    0.0000000000000000
     0.0000000000000000    0.0000000000000000    7.3883204999999998
 Mg Sb Yb
   2   2   1
Direct
   0.3333333300000000  0.6666666700000000  0.3671537100000000
   0.6666666700000000  0.3333333300000000  0.6328462900000000
   0.3333333300000000  0.6666666700000000  0.7622045200000001
   0.6666666700000000  0.3333333300000000  0.2377954800000000
   0.0000000000000000  0.0000000000000000  0.0000000000000000