data_Er2O3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.02
_cell_length_b   6.02
_cell_length_c   6.02
_cell_angle_alpha   56.94
_cell_angle_beta   56.94
_cell_angle_gamma   56.94
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Er2O3
_chemical_formula_sum   'Er4 O6'
_cell_volume   143.06
_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
  Er  Er0  1  0.0  0.0  0.39  1.0
  Er  Er1  1  0.0  0.0  0.15  1.0
  Er  Er2  1  0.0  0.0  0.92  1.0
  Er  Er3  1  0.0  0.0  0.68  1.0
  O  O4  1  0.84  0.86  0.28  1.0
  O  O5  1  0.97  0.8  0.28  1.0
  O  O6  1  0.19  0.34  0.28  1.0
  O  O7  1  0.81  0.66  0.79  1.0
  O  O8  1  0.03  0.2  0.79  1.0
  O  O9  1  0.16  0.14  0.79  1.0

data_Er2O3
_symmetry_space_group_name_H-M   P-1
_cell_length_a   5.74
_cell_length_b   5.74
_cell_length_c   6.02
_cell_angle_alpha   61.53
_cell_angle_beta   61.53
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Er2O3
_chemical_formula_sum   'Er4 O6'
_cell_volume   143.06
_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
  Er  Er0  2  0.0  0.15  0.35  1.0
  Er  Er1  2  0.0  0.39  0.11  1.0
  O  O2  2  0.14  0.26  0.94  1.0
  O  O3  2  0.2  0.26  0.02  1.0
  O  O4  2  0.34  0.74  0.22  1.0

Er Er Er Er O O O O O O