data_K2SrNb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.73
_cell_length_b   6.93
_cell_length_c   6.63
_cell_angle_alpha   90.0
_cell_angle_beta   94.01
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2SrNb
_chemical_formula_sum   'K2 Sr1 Nb1'
_cell_volume   171.28
_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  0.61  0.47  0.83  1.0
  K  K1  1  0.66  0.47  0.78  1.0
  Sr  Sr3  1  0.0  0.0  0.0  1.0
  Nb  Nb2  1  0.64  0.0  0.31  1.0

data_K2SrNb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.73
_cell_length_b   6.63
_cell_length_c   6.93
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   94.01
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2SrNb
_chemical_formula_sum   'K2 Sr1 Nb1'
_cell_volume   171.28
_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  0.34  0.22  0.53  1.0
  K  K1  1  0.39  0.17  0.53  1.0
  Sr  Sr2  1  0.0  0.0  0.0  1.0
  Nb  Nb3  1  0.36  0.69  0.0  1.0

K K Sr Nb