data_[Dy2Tl2Si2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Tl  1.6200  1.9000  1.3325
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.7134]
_cell_length_b [5.6496]
_cell_length_c [7.7693]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.9651]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [DyTlSiO4]
_chemical_formula_sum '[Dy2 Tl2 Si2 O8]'
_cell_volume [241.1094]
_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
[
  Dy  Dy0  2  0.2150  0.7500  0.5542  1.0
  Tl  Tl1  2  0.3173  0.7500  0.1052  1.0
  Si  Si2  2  0.2563  0.2500  0.3555  1.0
  O  O3  4  0.0674  0.0238  0.3391  1.0
  O  O4  2  0.4316  0.2500  0.2210  1.0
  O  O5  2  0.4461  0.2500  0.5584  1.0
]