data_YP3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.9
_cell_length_b   4.9
_cell_length_c   4.9
_cell_angle_alpha   111.67
_cell_angle_beta   111.67
_cell_angle_gamma   111.67
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YP3
_chemical_formula_sum   'Y1 P3'
_cell_volume   82.35
_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  0.0  0.0  0.0  1.0
  P  P0  1  0.0  0.34  0.45  1.0
  P  P1  1  0.03  0.83  0.45  1.0
  P  P2  1  0.97  0.83  0.45  1.0

data_YP3
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.34
_cell_length_b   4.9
_cell_length_c   4.9
_cell_angle_alpha   111.67
_cell_angle_beta   107.17
_cell_angle_gamma   107.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YP3
_chemical_formula_sum   'Y1 P3'
_cell_volume   82.35
_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  Y0  1  0.0  0.0  0.0  1.0
  P  P1  1  0.45  0.45  0.11  1.0
  P  P2  1  0.45  0.42  0.62  1.0
  P  P3  1  0.45  0.47  0.62  1.0

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