$cell vectors
1.0
  6.1199971202843608    0.0000000000000000    0.0000000000000000
 -3.0599985601421777    5.3000729772538655    0.0000000000000000
  0.0000000000000000    0.0000000000000000    5.6579973376746597
 2 6
Direct
  0.0000000000000000    0.0000000000000000    0.0000000000000000 # Ru1
  0.0000000000000000    0.0000000000000000    0.4999999999999996 # Ru2
  0.3180000000000004    0.0270000000000001    0.2369999999999997 # Cl1
  0.9729999999999999    0.2909999999999996    0.2369999999999997 # Cl2
  0.7090000000000002    0.6820000000000005    0.2369999999999997 # Cl3
  0.7089999999999997    0.0270000000000001    0.7370000000000002 # Cl4
  0.3179999999999997    0.2909999999999996    0.7370000000000002 # Cl5
  0.9730000000000005    0.6820000000000005    0.7370000000000002 # Cl6