data_Si2RhSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.07
_cell_length_b   4.07
_cell_length_c   5.91
_cell_angle_alpha   110.75
_cell_angle_beta   110.75
_cell_angle_gamma   48.86
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2RhSe
_chemical_formula_sum   'Si2 Rh1 Se1'
_cell_volume   67.95
_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  Si2  1  0.16  0.0  0.07  1.0
  Si  Si3  1  0.23  0.0  0.01  1.0
  Rh  Rh0  1  0.44  0.0  0.01  1.0
  Se  Se1  1  0.53  0.0  0.53  1.0

data_Si2RhSe
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.37
_cell_length_b   4.07
_cell_length_c   5.87
_cell_angle_alpha   70.34
_cell_angle_beta   73.34
_cell_angle_gamma   65.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2RhSe
_chemical_formula_sum   'Si2 Rh1 Se1'
_cell_volume   67.95
_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  Si0  1  0.0  0.09  0.07  1.0
  Si  Si1  1  0.0  0.22  0.01  1.0
  Rh  Rh2  1  0.0  0.43  0.01  1.0
  Se  Se3  1  0.0  0.0  0.53  1.0

Si Si Rh Se