data_Na2TlGa
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.72
_cell_length_b   10.72
_cell_length_c   10.72
_cell_angle_alpha   18.37
_cell_angle_beta   18.37
_cell_angle_gamma   18.37
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2TlGa
_chemical_formula_sum   'Na2 Tl1 Ga1'
_cell_volume   106.82
_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
  Na  Na1  1  0.0  0.0  0.01  1.0
  Na  Na2  1  0.0  0.0  0.59  1.0
  Tl  Tl3  1  0.0  0.0  0.8  1.0
  Ga  Ga0  1  0.0  0.0  0.0  1.0

data_Na2TlGa
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.93
_cell_length_b   3.42
_cell_length_c   10.72
_cell_angle_alpha   90.0
_cell_angle_beta   100.62
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Na2TlGa
_chemical_formula_sum   'Na4 Tl2 Ga2'
_cell_volume   213.64
_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+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Na  Na0  2  0.0  0.0  0.41  1.0
  Na  Na1  2  0.0  0.0  0.99  1.0
  Tl  Tl2  2  0.0  0.0  0.2  1.0
  Ga  Ga3  2  0.0  0.0  0.0  1.0

Na Na Tl Ga