data_Sr2LaTl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.41
_cell_length_b   6.41
_cell_length_c   6.41
_cell_angle_alpha   130.16
_cell_angle_beta   130.16
_cell_angle_gamma   73.15
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2LaTl
_chemical_formula_sum   'Sr2 La1 Tl1'
_cell_volume   149.91
_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
  Sr  Sr1  1  0.0  0.7  0.57  1.0
  Sr  Sr2  1  0.0  0.0  0.0  1.0
  La  La0  1  0.0  0.0  0.14  1.0
  Tl  Tl3  1  0.7  0.0  0.57  1.0

data_Sr2LaTl
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.4
_cell_length_b   5.4
_cell_length_c   6.41
_cell_angle_alpha   114.92
_cell_angle_beta   114.92
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2LaTl
_chemical_formula_sum   'Sr2 La1 Tl1'
_cell_volume   149.91
_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
  Sr  Sr0  1  0.0  0.0  0.0  1.0
  Sr  Sr1  1  0.13  0.7  0.13  1.0
  La  La2  1  0.86  0.0  0.86  1.0
  Tl  Tl3  1  0.43  0.0  0.13  1.0

Sr Sr La Tl