data_La2As
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.36
_cell_length_b   8.36
_cell_length_c   4.3
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2As
_chemical_formula_sum   'La6 As3'
_cell_volume   260.14
_cell_formula_units_Z   3
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
  La  La3  1  0.19  0.0  0.15  1.0
  La  La4  1  0.91  0.9  0.15  1.0
  La  La5  1  0.09  0.35  0.15  1.0
  La  La6  1  0.83  0.0  0.0  1.0
  La  La7  1  0.58  0.18  0.0  1.0
  La  La8  1  0.77  0.06  0.0  1.0
  As  As0  1  0.0  0.83  0.15  1.0
  As  As1  1  0.18  0.41  0.15  1.0
  As  As2  1  0.0  0.0  0.0  1.0

data_La2As
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.3
_cell_length_b   8.36
_cell_length_c   8.36
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2As
_chemical_formula_sum   'La6 As3'
_cell_volume   260.14
_cell_formula_units_Z   3
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
  La  La0  1  -0.0  0.58  0.18  1.0
  La  La1  1  -0.0  0.77  0.06  1.0
  La  La2  1  0.0  0.83  0.0  1.0
  La  La3  1  0.15  0.09  0.35  1.0
  La  La4  1  0.15  0.19  0.0  1.0
  La  La5  1  0.15  0.91  0.9  1.0
  As  As6  1  0.0  0.0  0.0  1.0
  As  As7  1  0.15  0.0  0.83  1.0
  As  As8  1  0.15  0.18  0.41  1.0

La La La La La La As As As