data_Si5P
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.77
_cell_length_b   5.77
_cell_length_c   6.27
_cell_angle_alpha   102.32
_cell_angle_beta   102.32
_cell_angle_gamma   28.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si5P
_chemical_formula_sum   'Si5 P1'
_cell_volume   96.17
_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  Si1  1  0.11  0.0  0.55  1.0
  Si  Si2  1  0.58  0.0  0.49  1.0
  Si  Si3  1  0.95  0.0  0.42  1.0
  Si  Si4  1  0.25  0.0  0.12  1.0
  Si  Si5  1  0.38  0.0  0.61  1.0
  P  P0  1  0.26  0.0  0.15  1.0

data_Si5P
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.81
_cell_length_b   5.77
_cell_length_c   6.27
_cell_angle_alpha   102.32
_cell_angle_beta   90.0
_cell_angle_gamma   104.08
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si5P
_chemical_formula_sum   'Si5 P1'
_cell_volume   96.17
_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  0.05  0.58  1.0
  Si  Si1  1  0.0  0.42  0.51  1.0
  Si  Si2  1  0.0  0.62  0.39  1.0
  Si  Si3  1  0.0  0.75  0.88  1.0
  Si  Si4  1  0.0  0.89  0.45  1.0
  P  P5  1  0.0  0.74  0.85  1.0

Si Si Si Si Si P
Si Si Si Si Si P 0 2 - o o 0 4 o o o 1 4 o o o 3 5 o o o 