data_[K3Na8Sr1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [7.3428]
_cell_length_b [7.3428]
_cell_length_c [11.8714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [K3Na8Sr]
_chemical_formula_sum '[K3 Na8 Sr1]'
_cell_volume [554.3054]
_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  0.0000  0.0000  0.9355  1
  K  K1  1  0.6667  0.3333  0.0632  1
  K  K2  1  0.6667  0.3333  0.4386  1
  Na  Na3  3  0.1640  0.3279  0.2562  1
  Na  Na4  3  0.5015  0.0030  0.7431  1
  Na  Na5  1  0.3333  0.6667  0.0011  1
  Na  Na6  1  0.3333  0.6667  0.5010  1
  Sr  Sr7  1  0.0000  0.0000  0.5628  1
]