data_SrTlCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.49
_cell_length_b   7.47
_cell_length_c   3.87
_cell_angle_alpha   75.3
_cell_angle_beta   74.7
_cell_angle_gamma   30.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrTlCl
_chemical_formula_sum   'Sr1 Tl1 Cl1'
_cell_volume   104.14
_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  0.71  0.76  0.88  1.0
  Tl  Tl2  1  0.71  0.76  0.35  1.0
  Cl  Cl0  1  0.71  0.76  0.69  1.0

data_SrTlCl
_symmetry_space_group_name_H-M   Imm2
_cell_length_a   3.87
_cell_length_b   13.91
_cell_length_c   3.87
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   44
_chemical_formula_structural   SrTlCl
_chemical_formula_sum   'Sr2 Tl2 Cl2'
_cell_volume   208.32
_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, y, z'
  4  'x, -y, z'
  5  'x+1/2, y+1/2, z+1/2'
  6  '-x+1/2, -y+1/2, z+1/2'
  7  '-x+1/2, y+1/2, z+1/2'
  8  'x+1/2, -y+1/2, z+1/2'
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  2  0.0  0.0  0.58  1.0
  Tl  Tl1  2  0.0  0.0  0.05  1.0
  Cl  Cl2  2  0.0  0.0  0.4  1.0

Sr Tl Cl