data_KSr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.36
_cell_length_b   6.37
_cell_length_c   9.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSr
_chemical_formula_sum   'K2 Sr2'
_cell_volume   252.1
_cell_formula_units_Z   2
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  0.71  1.0
  K  K1  1  0.18  0.19  0.37  1.0
  Sr  Sr2  1  0.0  0.0  0.97  1.0
  Sr  Sr3  1  0.18  0.19  0.12  1.0

data_KSr
_symmetry_space_group_name_H-M   P-1
_cell_length_a   4.36
_cell_length_b   6.37
_cell_length_c   9.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   KSr
_chemical_formula_sum   'K2 Sr2'
_cell_volume   252.1
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.09  0.09  0.33  1.0
  Sr  Sr1  2  0.09  0.09  0.07  1.0

K K Sr Sr