data_Si2GeP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.16
_cell_length_b   5.16
_cell_length_c   5.3
_cell_angle_alpha   117.13
_cell_angle_beta   117.13
_cell_angle_gamma   36.41
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2GeP
_chemical_formula_sum   'Si2 Ge1 P1'
_cell_volume   73.32
_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  Si2  1  0.32  0.0  0.25  1.0
  Si  Si3  1  0.49  0.0  0.15  1.0
  Ge  Ge0  1  0.86  0.0  0.59  1.0
  P  P1  1  0.45  0.0  0.63  1.0

data_Si2GeP
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.22
_cell_length_b   5.16
_cell_length_c   5.3
_cell_angle_alpha   117.13
_cell_angle_beta   90.0
_cell_angle_gamma   108.2
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2GeP
_chemical_formula_sum   'Si2 Ge1 P1'
_cell_volume   73.32
_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  0.51  0.85  1.0
  Si  Si1  1  0.0  0.68  0.75  1.0
  Ge  Ge2  1  0.0  0.14  0.41  1.0
  P  P3  1  0.0  0.55  0.37  1.0

Si Si Ge P