data_[Li2Tm4Se2O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tm  1.2500  1.7500  1.0950
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.4082]
_cell_length_b [6.4082]
_cell_length_c [5.8247]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [LiTm2SeO5]
_chemical_formula_sum '[Li2 Tm4 Se2 O10]'
_cell_volume [239.1921]
_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
  Tm  Tm1  4  0.1755  0.3245  0.5000  1
  Se  Se2  2  0.0000  0.5000  0.0000  1
  O  O3  8  0.1420  0.6420  0.2598  1
  O  O4  2  0.0000  0.0000  0.5000  1
]