data_[Be2Tl4Te2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Tl  1.6200  1.9000  1.3325
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [6.9667]
_cell_length_b [8.4099]
_cell_length_c [5.0034]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [BeTl2TeO4]
_chemical_formula_sum '[Be2 Tl4 Te2 O8]'
_cell_volume [293.1437]
_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
[
  Be  Be0  2  0.0000  0.9169  0.9995  1
  Tl  Tl1  4  0.2249  0.6896  0.5144  1
  Te  Te2  2  0.0000  0.1485  0.5275  1
  O  O3  4  0.2013  0.8287  0.0697  1
  O  O4  2  0.0000  0.1057  0.1453  1
  O  O5  2  0.0000  0.9362  0.6598  1
]