data_Sr2LaNb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.61
_cell_length_b   3.61
_cell_length_c   11.48
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   101.44
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2LaNb
_chemical_formula_sum   'Sr2 La1 Nb1'
_cell_volume   146.52
_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
  Sr  Sr2  1  0.28  0.0  0.62  1.0
  Sr  Sr3  1  0.0  0.0  0.49  1.0
  La  La0  1  0.28  0.0  0.05  1.0
  Nb  Nb1  1  0.0  0.0  0.06  1.0

data_Sr2LaNb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.61
_cell_length_b   3.61
_cell_length_c   11.48
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   101.44
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2LaNb
_chemical_formula_sum   'Sr2 La1 Nb1'
_cell_volume   146.52
_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
  Sr  Sr0  1  0.0  0.0  0.49  1.0
  Sr  Sr1  1  0.28  0.0  0.62  1.0
  La  La2  1  0.28  0.0  0.05  1.0
  Nb  Nb3  1  0.0  0.0  0.06  1.0

Sr Sr La Nb
Sr Sr La Nb 0 1 o o o 2 3 o o o 