data_[Li4Sn4P8O28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Sn  1.9600  1.4500  0.8300
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.3035]
_cell_length_b [8.7938]
_cell_length_c [9.2254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.8490]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [LiSnP2O7]
_chemical_formula_sum '[Li4 Sn4 P8 O28]'
_cell_volume [546.0156]
_cell_formula_units_Z [4]
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  4  0.2878  0.5483  0.6731  1
  Sn  Sn1  4  0.2510  0.5776  0.1179  1
  P  P2  4  0.0668  0.2401  0.7479  1
  P  P3  4  0.4643  0.2256  0.0298  1
  O  O4  4  0.0293  0.1029  0.6259  1
  O  O5  4  0.1135  0.7401  0.7029  1
  O  O6  4  0.1191  0.1129  0.1943  1
  O  O7  4  0.2504  0.1772  0.9015  1
  O  O8  4  0.3880  0.7248  0.5533  1
  O  O9  4  0.4593  0.1195  0.6038  1
  O  O10  4  0.4936  0.5927  0.3519  1
]