data_KSiSb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.3
_cell_length_b   5.3
_cell_length_c   6.68
_cell_angle_alpha   105.68
_cell_angle_beta   105.68
_cell_angle_gamma   44.06
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSiSb2
_chemical_formula_sum   'K1 Si1 Sb2'
_cell_volume   124.91
_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  0.94  0.0  0.19  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0
  Sb  Sb1  1  0.16  0.0  0.48  1.0
  Sb  Sb2  1  0.73  0.0  0.91  1.0

data_KSiSb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.98
_cell_length_b   5.3
_cell_length_c   6.68
_cell_angle_alpha   105.68
_cell_angle_beta   90.0
_cell_angle_gamma   112.03
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSiSb2
_chemical_formula_sum   'K1 Si1 Sb2'
_cell_volume   124.91
_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  0.06  0.81  1.0
  Si  Si1  1  0.0  0.0  0.0  1.0
  Sb  Sb2  1  0.0  0.27  0.09  1.0
  Sb  Sb3  1  0.0  0.84  0.52  1.0

K Si Sb Sb