data_GaSe3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.57
_cell_length_b   8.57
_cell_length_c   3.7
_cell_angle_alpha   100.77
_cell_angle_beta   100.77
_cell_angle_gamma   24.72
_symmetry_Int_Tables_number   1
_chemical_formula_structural   GaSe3
_chemical_formula_sum   'Ga1 Se3'
_cell_volume   111.34
_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
  Se  Se1  1  0.01  0.0  0.81  1.0
  Se  Se2  1  0.05  0.0  0.72  1.0
  Se  Se3  1  0.97  0.0  0.91  1.0

data_GaSe3
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.67
_cell_length_b   3.7
_cell_length_c   8.57
_cell_angle_alpha   100.77
_cell_angle_beta   102.36
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   GaSe3
_chemical_formula_sum   'Ga1 Se3'
_cell_volume   111.34
_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
  Se  Se1  1  0.0  0.72  0.05  1.0
  Se  Se2  1  0.0  0.81  0.01  1.0
  Se  Se3  1  0.0  0.91  0.97  1.0

Ga Se Se Se