data_Eu3I
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.48
_cell_length_b   7.48
_cell_length_c   6.32
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu3I
_chemical_formula_sum   'Eu6 I2'
_cell_volume   306.33
_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  0.0  0.16  0.74  1.0
  Eu  Eu1  1  0.87  0.4  0.74  1.0
  Eu  Eu2  1  0.13  0.4  0.74  1.0
  Eu  Eu3  1  0.74  0.32  0.58  1.0
  Eu  Eu4  1  0.87  0.08  0.58  1.0
  Eu  Eu5  1  0.61  0.08  0.58  1.0
  I  I6  1  0.0  0.32  0.58  1.0
  I  I7  1  0.74  0.16  0.74  1.0

data_Eu3I
_symmetry_space_group_name_H-M   P-1
_cell_length_a   6.32
_cell_length_b   7.48
_cell_length_c   7.48
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Eu3I
_chemical_formula_sum   'Eu6 I2'
_cell_volume   306.33
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.42  0.24  0.84  1.0
  Eu  Eu1  2  0.42  0.37  0.08  1.0
  Eu  Eu2  2  0.42  0.5  0.84  1.0
  I  I3  2  0.42  0.63  0.08  1.0

Eu Eu Eu Eu Eu Eu I I