data_La3Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.12
_cell_length_b   10.12
_cell_length_c   10.12
_cell_angle_alpha   22.99
_cell_angle_beta   22.99
_cell_angle_gamma   22.99
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La3Pt
_chemical_formula_sum   'La3 Pt1'
_cell_volume   138.59
_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
  La  La0  1  0.0  0.0  0.72  1.0
  La  La1  1  0.0  0.0  0.0  1.0
  La  La2  1  0.0  0.0  0.82  1.0
  Pt  Pt3  1  0.0  0.0  0.77  1.0

data_La3Pt
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.98
_cell_length_b   4.03
_cell_length_c   10.12
_cell_angle_alpha   90.0
_cell_angle_beta   103.3
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   La3Pt
_chemical_formula_sum   'La6 Pt2'
_cell_volume   277.19
_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
  La  La0  2  0.0  0.0  0.0  1.0
  La  La1  2  0.0  0.0  0.18  1.0
  La  La2  2  0.0  0.0  0.28  1.0
  Pt  Pt3  2  0.0  0.0  0.23  1.0

La La La Pt