data_[Li4Sm4U4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Sm  1.1700  1.8500  1.2290
  U  1.3800  1.7500  0.9913
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.6217]
_cell_length_b [9.4752]
_cell_length_c [7.5808]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7476]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [LiSmUO5]
_chemical_formula_sum '[Li4 Sm4 U4 O20]'
_cell_volume [450.3966]
_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  0.0000  0.3118  0.7500  1
  Sm  Sm1  4  0.0000  0.3654  0.2500  1
  U  U2  4  0.0000  0.0000  0.0000  1
  O  O3  8  0.1309  0.1777  0.6330  1
  O  O4  8  0.1785  0.4465  0.9413  1
  O  O5  4  0.0000  0.1149  0.2500  1
]