data_SiRh3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.05
_cell_length_b   5.05
_cell_length_c   5.05
_cell_angle_alpha   148.11
_cell_angle_beta   65.11
_cell_angle_gamma   124.88
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiRh3
_chemical_formula_sum   'Si1 Rh3'
_cell_volume   55.32
_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  0.5  1.0
  Rh  Rh0  1  0.39  0.14  0.22  1.0
  Rh  Rh1  1  0.39  0.86  0.22  1.0
  Rh  Rh2  1  0.0  0.26  0.85  1.0

data_SiRh3
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.78
_cell_length_b   4.68
_cell_length_c   5.05
_cell_angle_alpha   117.56
_cell_angle_beta   105.95
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiRh3
_chemical_formula_sum   'Si1 Rh3'
_cell_volume   55.32
_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  Si0  1  -0.0  0.5  0.5  1.0
  Rh  Rh1  1  0.26  0.41  0.41  1.0
  Rh  Rh2  1  0.47  0.64  0.25  1.0
  Rh  Rh3  1  0.75  0.92  0.53  1.0

Si Rh Rh Rh