data_SrP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.52
_cell_length_b   6.52
_cell_length_c   6.52
_cell_angle_alpha   143.62
_cell_angle_beta   139.68
_cell_angle_gamma   55.42
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrP
_chemical_formula_sum   'Sr2 P2'
_cell_volume   105.7
_cell_formula_units_Z   2
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
  Sr  Sr2  1  0.0  0.12  0.36  1.0
  Sr  Sr3  1  0.04  0.12  0.42  1.0
  P  P0  1  0.04  0.88  0.96  1.0
  P  P1  1  0.0  0.37  0.81  1.0

data_SrP
_symmetry_space_group_name_H-M   P-1
_cell_length_a   4.07
_cell_length_b   4.5
_cell_length_c   6.52
_cell_angle_alpha   110.16
_cell_angle_beta   108.19
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   SrP
_chemical_formula_sum   'Sr2 P2'
_cell_volume   105.7
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Sr  Sr0  2  0.5  0.03  0.01  1.0
  P  P1  2  0.25  0.18  0.19  1.0

Sr Sr P P
Sr Sr P P 0 1 o o o 0 2 o - - 0 3 o o o 1 2 o - - 1 3 o o o 