data_BaFe2Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.75
_cell_length_b   4.75
_cell_length_c   2.96
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BaFe2Ru
_chemical_formula_sum   'Ba1 Fe2 Ru1'
_cell_volume   66.79
_cell_formula_units_Z   1
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
  Ba  Ba0  1  0.38  0.38  0.0  1.0
  Fe  Fe1  1  0.38  0.0  0.48  1.0
  Fe  Fe2  1  0.0  0.38  0.48  1.0
  Ru  Ru3  1  0.0  0.0  0.0  1.0

data_BaFe2Ru
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.72
_cell_length_b   6.72
_cell_length_c   2.96
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BaFe2Ru
_chemical_formula_sum   'Ba2 Fe4 Ru2'
_cell_volume   133.57
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Ba  Ba0  2  0.38  0.0  0.0  1.0
  Fe  Fe1  4  0.19  0.19  0.48  1.0
  Ru  Ru2  2  0.0  0.0  0.0  1.0

Ba Fe Fe Ru
Ba Fe Fe Ru 0 3 o o o 0 2 o o - 0 2 o o o 0 1 o o - 0 1 o o o 1 3 o o o 1 3 o o + 1 2 o o o 2 3 o o o 2 3 o o + 