data_[Li2Ce2Si2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ce  1.1200  1.8500  1.0800
  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 [5.5427]
_cell_length_b [5.5660]
_cell_length_c [6.3476]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.2640]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LiCeSiO4]
_chemical_formula_sum '[Li2 Ce2 Si2 O8]'
_cell_volume [183.7047]
_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
[
  Li  Li0  2  0.1873  0.2500  0.4842  1.0
  Ce  Ce1  2  0.2731  0.2500  0.0457  1.0
  Si  Si2  2  0.2739  0.7500  0.3286  1.0
  O  O3  4  0.0733  0.5179  0.2520  1.0
  O  O4  2  0.4469  0.7500  0.5909  1.0
  O  O5  2  0.4586  0.7500  0.1690  1.0
]