data_[Sr2Mn2Al1Tl1O7]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mn  1.5500  1.4000  0.6483
  Al  1.6100  1.2500  0.6750
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.6922]
_cell_length_b [3.6922]
_cell_length_c [13.4231]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Sr2Mn2AlTlO7]
_chemical_formula_sum '[Sr2 Mn2 Al1 Tl1 O7]'
_cell_volume [182.9845]
_cell_formula_units_Z [1]
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
[
  Sr  Sr0  2  0.0000  0.0000  0.1874  1
  Mn  Mn1  2  0.5000  0.5000  0.3642  1
  Al  Al2  1  0.0000  0.0000  0.5000  1
  Tl  Tl3  1  0.5000  0.5000  0.0000  1
  O  O4  4  0.0000  0.5000  0.4095  1
  O  O5  2  0.5000  0.5000  0.2096  1
  O  O6  1  0.0000  0.0000  0.0000  1
]