data_KSr2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.74
_cell_length_b   6.74
_cell_length_c   7.02
_cell_angle_alpha   98.92
_cell_angle_beta   98.92
_cell_angle_gamma   35.38
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSr2Pb
_chemical_formula_sum   'K1 Sr2 Pb1'
_cell_volume   182.38
_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  0.0  0.0  1.0
  Sr  Sr2  1  0.37  0.0  0.77  1.0
  Sr  Sr3  1  0.34  0.0  0.16  1.0
  Pb  Pb1  1  0.85  0.0  0.46  1.0

data_KSr2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.1
_cell_length_b   6.74
_cell_length_c   7.02
_cell_angle_alpha   98.92
_cell_angle_beta   90.0
_cell_angle_gamma   107.69
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSr2Pb
_chemical_formula_sum   'K1 Sr2 Pb1'
_cell_volume   182.38
_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  0.0  0.0  1.0
  Sr  Sr1  1  0.0  0.63  0.23  1.0
  Sr  Sr2  1  0.0  0.66  0.84  1.0
  Pb  Pb3  1  0.0  0.15  0.54  1.0

K Sr Sr Pb