data_KSrNb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.58
_cell_length_b   3.62
_cell_length_c   9.64
_cell_angle_alpha   90.0
_cell_angle_beta   92.71
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSrNb2
_chemical_formula_sum   'K1 Sr1 Nb2'
_cell_volume   124.87
_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  0.49  0.0  0.71  1.0
  Sr  Sr3  1  0.35  0.81  0.15  1.0
  Nb  Nb1  1  0.52  0.81  0.8  1.0
  Nb  Nb2  1  0.7  0.0  0.79  1.0

data_KSrNb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.58
_cell_length_b   3.62
_cell_length_c   9.64
_cell_angle_alpha   90.0
_cell_angle_beta   92.71
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSrNb2
_chemical_formula_sum   'K1 Sr1 Nb2'
_cell_volume   124.87
_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  0.49  0.0  0.71  1.0
  Sr  Sr1  1  0.35  0.81  0.15  1.0
  Nb  Nb2  1  0.52  0.81  0.8  1.0
  Nb  Nb3  1  0.7  0.0  0.79  1.0

K Sr Nb Nb