data_K2MgTl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.46
_cell_length_b   5.46
_cell_length_c   7.37
_cell_angle_alpha   109.27
_cell_angle_beta   109.27
_cell_angle_gamma   54.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2MgTl
_chemical_formula_sum   'K2 Mg1 Tl1'
_cell_volume   165.13
_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
  K  K0  1  0.15  0.0  0.39  1.0
  K  K1  1  0.28  0.0  0.75  1.0
  Mg  Mg2  1  0.45  0.0  0.61  1.0
  Tl  Tl3  1  0.62  0.0  0.53  1.0

data_K2MgTl
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.96
_cell_length_b   5.46
_cell_length_c   7.37
_cell_angle_alpha   109.27
_cell_angle_beta   90.0
_cell_angle_gamma   117.03
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2MgTl
_chemical_formula_sum   'K2 Mg1 Tl1'
_cell_volume   165.13
_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
  K  K0  1  0.0  0.72  0.25  1.0
  K  K1  1  0.0  0.85  0.61  1.0
  Mg  Mg2  1  0.0  0.55  0.39  1.0
  Tl  Tl3  1  0.0  0.38  0.47  1.0

K K Mg Tl