data_SiP2Cl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.75
_cell_length_b   4.75
_cell_length_c   2.9
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiP2Cl
_chemical_formula_sum   'Si1 P2 Cl1'
_cell_volume   65.24
_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  0.0  1.0
  P  P1  1  0.37  0.0  0.45  1.0
  P  P2  1  0.0  0.37  0.45  1.0
  Cl  Cl0  1  0.37  0.37  0.0  1.0

data_SiP2Cl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.71
_cell_length_b   6.71
_cell_length_c   2.9
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SiP2Cl
_chemical_formula_sum   'Si2 P4 Cl2'
_cell_volume   130.48
_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  0.0  1.0
  P  P1  4  0.19  0.19  0.45  1.0
  Cl  Cl2  2  0.37  0.0  0.0  1.0

Si P P Cl
Si P P Cl 0 2 o o - 0 2 o o o 0 1 o o - 0 1 o o o 0 3 o o o 1 2 o o o 1 3 o o o 1 3 o o + 2 3 o o o 2 3 o o + 