data_Sn3Ru2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.56
_cell_length_b   4.56
_cell_length_c   5.49
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sn3Ru2
_chemical_formula_sum   'Sn3 Ru2'
_cell_volume   98.99
_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
  Sn  Sn2  1  0.0  0.0  0.0  1.0
  Sn  Sn3  1  0.28  0.32  0.56  1.0
  Sn  Sn4  1  0.0  0.63  0.93  1.0
  Ru  Ru0  1  0.28  0.32  0.82  1.0
  Ru  Ru1  1  0.0  0.63  0.67  1.0

data_Sn3Ru2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.56
_cell_length_b   4.56
_cell_length_c   5.49
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sn3Ru2
_chemical_formula_sum   'Sn3 Ru2'
_cell_volume   98.99
_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
  Sn  Sn0  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.0  0.63  0.93  1.0
  Sn  Sn2  1  0.28  0.32  0.56  1.0
  Ru  Ru3  1  0.0  0.63  0.67  1.0
  Ru  Ru4  1  0.28  0.32  0.82  1.0

Sn Sn Sn Ru Ru
Sn Sn Sn Ru Ru 0 2 o - - 0 3 o o - 1 3 o o o 2 4 o o o 