data_[Y2Mg2Tl2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.5241]
_cell_length_b [4.5066]
_cell_length_c [10.5099]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2634]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [YMgTlTe3]
_chemical_formula_sum '[Y2 Mg2 Tl2 Te6]'
_cell_volume [433.0487]
_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
[
  Y  Y0  2  0.3304  0.7500  0.8629  1.0
  Mg  Mg1  2  0.0816  0.2500  0.6086  1.0
  Tl  Tl2  2  0.2042  0.2500  0.2180  1.0
  Te  Te3  2  0.1076  0.2500  0.8780  1.0
  Te  Te4  2  0.2214  0.7500  0.5384  1.0
  Te  Te5  2  0.4560  0.7500  0.1647  1.0
]