data_Sr2TlCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.8
_cell_length_b   7.8
_cell_length_c   7.8
_cell_angle_alpha   145.66
_cell_angle_beta   145.66
_cell_angle_gamma   49.34
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2TlCl
_chemical_formula_sum   'Sr2 Tl1 Cl1'
_cell_volume   150.49
_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  0.3  0.55  1.0
  Sr  Sr2  1  0.0  0.0  0.09  1.0
  Tl  Tl3  1  0.3  0.0  0.55  1.0
  Cl  Cl0  1  0.0  0.0  0.0  1.0

data_Sr2TlCl
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.61
_cell_length_b   4.61
_cell_length_c   7.8
_cell_angle_alpha   107.17
_cell_angle_beta   107.17
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2TlCl
_chemical_formula_sum   'Sr2 Tl1 Cl1'
_cell_volume   150.49
_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  0.76  0.3  0.76  1.0
  Sr  Sr1  1  0.91  0.0  0.91  1.0
  Tl  Tl2  1  0.45  0.0  0.76  1.0
  Cl  Cl3  1  0.0  0.0  0.0  1.0

Sr Sr Tl Cl