data_Eu2I2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.13
_cell_length_b   8.13
_cell_length_c   8.13
_cell_angle_alpha   125.3
_cell_angle_beta   74.66
_cell_angle_gamma   133.37
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu2I2O
_chemical_formula_sum   'Eu4 I4 O2'
_cell_volume   311.23
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Eu  Eu0  1  0.28  0.16  0.0  1.0
  Eu  Eu1  1  0.28  0.84  0.22  1.0
  Eu  Eu2  1  0.45  0.63  0.0  1.0
  Eu  Eu3  1  0.45  0.31  0.22  1.0
  I  I4  1  0.87  0.53  0.22  1.0
  I  I5  1  0.13  0.53  0.0  1.0
  I  I6  1  0.6  0.94  0.22  1.0
  I  I7  1  0.87  0.94  0.0  1.0
  O  O8  1  0.0  0.0  0.61  1.0
  O  O9  1  0.0  0.0  0.83  1.0

data_Eu2I2O
_symmetry_space_group_name_H-M   P1
_cell_length_a   6.44
_cell_length_b   7.47
_cell_length_c   8.13
_cell_angle_alpha   117.35
_cell_angle_beta   113.32
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu2I2O
_chemical_formula_sum   'Eu4 I4 O2'
_cell_volume   311.23
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Eu  Eu0  1  0.37  0.83  0.83  1.0
  Eu  Eu1  1  0.38  0.44  0.66  1.0
  Eu  Eu2  1  0.84  0.12  0.12  1.0
  Eu  Eu3  1  0.91  0.15  0.37  1.0
  I  I4  1  0.06  0.93  0.93  1.0
  I  I5  1  0.28  0.66  0.88  1.0
  I  I6  1  0.47  0.61  0.61  1.0
  I  I7  1  0.69  0.34  0.56  1.0
  O  O8  1  0.61  0.0  0.61  1.0
  O  O9  1  0.83  0.0  0.83  1.0

Eu Eu Eu Eu I I I I O O
Eu Eu Eu Eu I I I I O O 0 9 o o - 0 3 o o o 1 5 o o o 1 4 - o o 2 6 o o o 3 4 o o o 4 8 + + o 4 5 + o o 7 9 + + - 8 9 o o o 