data_K2LaSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.28
_cell_length_b   7.28
_cell_length_c   7.28
_cell_angle_alpha   140.71
_cell_angle_beta   140.71
_cell_angle_gamma   56.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2LaSn
_chemical_formula_sum   'K2 La1 Sn1'
_cell_volume   153.36
_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  0.45  0.0  0.2  1.0
  K  K1  1  0.0  0.45  0.2  1.0
  La  La2  1  0.0  0.0  0.4  1.0
  Sn  Sn3  1  0.0  0.0  0.0  1.0

data_K2LaSn
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.92
_cell_length_b   6.92
_cell_length_c   7.28
_cell_angle_alpha   90.0
_cell_angle_beta   118.39
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   K2LaSn
_chemical_formula_sum   'K4 La2 Sn2'
_cell_volume   306.71
_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
  K  K0  4  0.22  0.22  0.25  1.0
  La  La1  2  0.0  0.0  0.6  1.0
  Sn  Sn2  2  0.0  0.0  0.0  1.0

K K La Sn