data_KCaSn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.84
_cell_length_b   7.84
_cell_length_c   7.84
_cell_angle_alpha   147.91
_cell_angle_beta   142.91
_cell_angle_gamma   49.84
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KCaSn2
_chemical_formula_sum   'K1 Ca1 Sn2'
_cell_volume   153.74
_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  K1  1  0.0  0.0  0.09  1.0
  Ca  Ca0  1  0.0  0.49  0.29  1.0
  Sn  Sn2  1  0.17  0.0  0.42  1.0
  Sn  Sn3  1  0.0  0.0  0.42  1.0

data_KCaSn2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.33
_cell_length_b   4.99
_cell_length_c   7.84
_cell_angle_alpha   108.55
_cell_angle_beta   106.04
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KCaSn2
_chemical_formula_sum   'K1 Ca1 Sn2'
_cell_volume   153.74
_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  0.09  0.09  1.0
  Ca  Ca1  1  0.51  0.79  0.79  1.0
  Sn  Sn2  1  0.0  0.42  0.25  1.0
  Sn  Sn3  1  0.0  0.42  0.42  1.0

K Ca Sn Sn