data_Tb2EuO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.91
_cell_length_b   6.91
_cell_length_c   6.91
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tb2EuO4
_chemical_formula_sum   'Tb4 Eu2 O8'
_cell_volume   233.2
_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
  Tb  Tb10  1  0.66  0.66  0.11  1.0
  Tb  Tb11  1  0.66  0.11  0.66  1.0
  Tb  Tb12  1  0.11  0.66  0.66  1.0
  Tb  Tb13  1  0.11  0.11  0.11  1.0
  Eu  Eu0  1  0.0  0.0  0.0  1.0
  Eu  Eu1  1  0.44  0.44  0.44  1.0
  O  O2  1  0.8  0.8  0.8  1.0
  O  O3  1  0.8  0.97  0.97  1.0
  O  O4  1  0.97  0.8  0.97  1.0
  O  O5  1  0.24  0.24  0.41  1.0
  O  O6  1  0.97  0.97  0.8  1.0
  O  O7  1  0.24  0.41  0.24  1.0
  O  O8  1  0.41  0.41  0.41  1.0
  O  O9  1  0.41  0.24  0.24  1.0

data_Tb2EuO4
_symmetry_space_group_name_H-M   R3m
_cell_length_a   6.91
_cell_length_b   6.91
_cell_length_c   16.92
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   Tb2EuO4
_chemical_formula_sum   'Tb12 Eu6 O24'
_cell_volume   699.6
_cell_formula_units_Z   6
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Tb  Tb0  9  0.04  0.52  0.86  1.0
  Tb  Tb1  3  0.0  0.0  0.89  1.0
  Eu  Eu2  3  0.0  0.0  0.0  1.0
  Eu  Eu3  3  0.0  0.0  0.56  1.0
  O  O4  9  0.06  0.11  0.7  1.0
  O  O5  9  0.11  0.06  0.09  1.0
  O  O6  3  0.0  0.0  0.2  1.0
  O  O7  3  0.0  0.0  0.59  1.0

Tb Tb Tb Tb Eu Eu O O O O O O O O
Tb Tb Tb Tb Eu Eu O O O O O O O O 0 6 o o - 1 6 o - o 2 6 - o o 3 4 o o o 4 10 - - - 4 8 - - - 4 7 - - - 5 12 o o o 6 10 o o o 6 8 o o o 6 7 o o o 7 8 o o o 7 10 o o o 8 10 o o o 9 13 o o o 9 11 o o o 11 13 o o o 