data_[La2Y2Se2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Y  1.2200  1.8000  1.0400
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.7013]
_cell_length_b [4.1323]
_cell_length_c [7.8552]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3174]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LaYSeO2]
_chemical_formula_sum '[La2 Y2 Se2 O4]'
_cell_volume [206.5047]
_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
[
  La  La0  2  0.3092  0.7500  0.0722  1.0
  Y  Y1  2  0.3284  0.7500  0.5801  1.0
  Se  Se2  2  0.0485  0.2500  0.7463  1.0
  O  O3  2  0.4844  0.2500  0.1281  1.0
  O  O4  2  0.4865  0.2500  0.6133  1.0
]