data_[K2La2Si2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  La  1.1000  1.9500  1.1720
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.9466]
_cell_length_b [5.7019]
_cell_length_c [7.4576]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.8356]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KLaSiO4]
_chemical_formula_sum '[K2 La2 Si2 O8]'
_cell_volume [247.4890]
_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  0.3222  0.7500  0.0897  1.0
  La  La1  2  0.2272  0.7500  0.5585  1.0
  Si  Si2  2  0.2506  0.2500  0.3310  1.0
  O  O3  4  0.0754  0.0213  0.3114  1.0
  O  O4  2  0.4061  0.2500  0.5439  1.0
  O  O5  2  0.4340  0.2500  0.1933  1.0
]