data_Li2LaSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.63
_cell_length_b   3.63
_cell_length_c   7.06
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2LaSe
_chemical_formula_sum   'Li2 La1 Se1'
_cell_volume   92.91
_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
  Li  Li1  1  0.0  0.0  0.55  1.0
  Li  Li2  1  0.49  0.0  0.16  1.0
  La  La0  1  0.49  0.0  0.06  1.0
  Se  Se3  1  0.0  0.0  0.88  1.0

data_Li2LaSe
_symmetry_space_group_name_H-M   P2
_cell_length_a   3.63
_cell_length_b   7.06
_cell_length_c   3.63
_cell_angle_alpha   90.0
_cell_angle_beta   93.57
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   3
_chemical_formula_structural   Li2LaSe
_chemical_formula_sum   'Li2 La1 Se1'
_cell_volume   92.91
_cell_formula_units_Z   1
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
  Li  Li0  1  0.0  0.84  0.0  1.0
  Li  Li1  1  0.5  0.45  0.0  1.0
  La  La2  1  0.0  0.94  0.0  1.0
  Se  Se3  1  0.5  0.12  0.0  1.0

Li Li La Se