data_SiRh2Se
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.44
_cell_length_b   3.44
_cell_length_c   5.17
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiRh2Se
_chemical_formula_sum   'Si1 Rh2 Se1'
_cell_volume   61.32
_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
  Si  Si3  1  0.0  0.0  0.24  1.0
  Rh  Rh0  1  0.72  0.72  0.91  1.0
  Rh  Rh1  1  0.0  0.0  0.52  1.0
  Se  Se2  1  0.72  0.72  0.26  1.0

data_SiRh2Se
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.87
_cell_length_b   4.87
_cell_length_c   5.17
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SiRh2Se
_chemical_formula_sum   'Si2 Rh4 Se2'
_cell_volume   122.64
_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
  Si  Si0  2  0.0  0.0  0.24  1.0
  Rh  Rh1  2  0.0  0.0  0.52  1.0
  Rh  Rh2  2  0.22  0.5  0.91  1.0
  Se  Se3  2  0.22  0.5  0.26  1.0

Si Rh Rh Se
Si Rh Rh Se 0 3 - - o 0 2 o o o 0 1 - - - 1 3 o o + 