data_[K2Al4Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Al  1.6100  1.2500  0.6750
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [2.9306]
_cell_length_b [4.1514]
_cell_length_c [15.7586]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [KAl2Os]
_chemical_formula_sum '[K2 Al4 Os2]'
_cell_volume [191.7227]
_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  2  0.0000  0.0000  0.5686  1
  Al  Al1  2  0.0000  0.0000  0.9000  1
  Al  Al2  2  0.0000  0.5000  0.7605  1
  Os  Os3  2  0.0000  0.5000  0.2708  1
]