data_GaP2Se
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.21
_cell_length_b   3.21
_cell_length_c   6.54
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   GaP2Se
_chemical_formula_sum   'Ga1 P2 Se1'
_cell_volume   67.58
_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
  Ga  Ga0  1  0.0  0.0  0.0  1.0
  P  P1  1  0.61  0.61  0.54  1.0
  P  P2  1  0.61  0.61  1.0  1.0
  Se  Se3  1  0.0  0.0  0.27  1.0

data_GaP2Se
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.55
_cell_length_b   4.55
_cell_length_c   6.54
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   GaP2Se
_chemical_formula_sum   'Ga2 P4 Se2'
_cell_volume   135.16
_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
  Ga  Ga0  2  0.0  0.0  0.0  1.0
  P  P1  2  0.11  0.5  0.54  1.0
  P  P2  2  0.11  0.5  1.0  1.0
  Se  Se3  2  0.0  0.0  0.27  1.0

Ga P P Se
Ga P P Se 0 2 - - - 0 3 o o o 1 3 o o o 1 3 o + o 1 3 + o o 1 3 + + o 1 1 + o o 1 1 o + o 1 2 o o o 