data_[La2Ag2Se2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.8747]
_cell_length_b [4.9245]
_cell_length_c [6.8442]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [LaAgSeO]
_chemical_formula_sum '[La2 Ag2 Se2 O2]'
_cell_volume [164.2973]
_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  0.5000  0.2607  0.4675  1
  Ag  Ag1  2  0.0000  0.1472  0.1099  1
  Se  Se2  2  0.0000  0.3538  0.7591  1
  O  O3  2  0.5000  0.1242  0.1546  1
]