POSCAR generated by cell class
1.0
  4.9899976519965588    0.0000000000000000    0.0000000000000000
 -2.4949988259982785    4.3214647314537205    0.0000000000000000
  0.0000000000000000    0.0000000000000000    4.6219978251559297
 1 2 6
Direct
  0.0000000000000000    0.0000000000000000    0.0000000000000000 # 11
  0.3333333333333333    0.6666666666666666    0.5000000000000000 # 21
  0.6666666666666666    0.3333333333333333    0.5000000000000000 # 22
  0.3410000000000001    0.0000000000000000    0.2664000000000001 # 31
  0.6590000000000000    0.0000000000000000    0.7336000000000000 # 32
  0.0000000000000000    0.3410000000000001    0.2664000000000001 # 33
  0.0000000000000000    0.6590000000000000    0.7336000000000000 # 34
  0.6590000000000000    0.6590000000000000    0.2664000000000001 # 35
  0.3410000000000001    0.3410000000000001    0.7336000000000000 # 36