data_[Li6Fe6Si6O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [5.1969]
_cell_length_b [5.1969]
_cell_length_c [22.9895]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [LiFeSiO4]
_chemical_formula_sum '[Li6 Fe6 Si6 O24]'
_cell_volume [537.7201]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.1341  1.0
  Fe  Fe1  6  0.0000  0.0000  0.2660  1.0
  Si  Si2  6  0.0000  0.0000  0.4158  1.0
  O  O3  18  0.0181  0.6400  0.1053  1.0
  O  O4  6  0.0000  0.0000  0.3450  1.0
]