data_YP2Cl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.74
_cell_length_b   3.74
_cell_length_c   5.36
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YP2Cl
_chemical_formula_sum   'Y1 P2 Cl1'
_cell_volume   75.08
_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
  Y  Y3  1  0.87  0.87  0.0  1.0
  P  P1  1  0.0  0.87  0.68  1.0
  P  P2  1  0.87  0.0  0.68  1.0
  Cl  Cl0  1  0.0  0.0  0.0  1.0

data_YP2Cl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.29
_cell_length_b   5.29
_cell_length_c   5.36
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   YP2Cl
_chemical_formula_sum   'Y2 P4 Cl2'
_cell_volume   150.16
_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
  Y  Y0  2  0.37  0.5  0.0  1.0
  P  P1  4  0.44  0.44  0.68  1.0
  Cl  Cl2  2  0.0  0.0  0.0  1.0

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