data_[K2Li2Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Li  0.9800  1.4500  0.9000
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.1187]
_cell_length_b [3.9284]
_cell_length_c [9.8814]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.4527]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KLiSi]
_chemical_formula_sum '[K2 Li2 Si2]'
_cell_volume [197.0190]
_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  0.2057  0.2500  0.3150  1.0
  Li  Li1  2  0.3600  0.2500  0.9121  1.0
  Si  Si2  2  0.1276  0.7500  0.0350  1.0
]