data_[Li2Sm10Se12]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.1681]
_cell_length_b [12.4204]
_cell_length_c [7.1874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5363]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [LiSm5Se6]
_chemical_formula_sum '[Li2 Sm10 Se12]'
_cell_volume [603.0647]
_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  0.0000  0.0000  0.0000  1
  Sm  Sm1  4  0.0000  0.1677  0.5000  1
  Sm  Sm2  4  0.0000  0.3349  0.0000  1
  Sm  Sm3  2  0.0000  0.5000  0.5000  1
  Se  Se4  8  0.2415  0.8388  0.2431  1
  Se  Se5  4  0.2396  0.0000  0.7578  1
]