data_[Tb2B2As2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  B  2.0400  0.8500  0.4100
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [5.6276]
_cell_length_b [5.6276]
_cell_length_c [4.3274]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [TbBAsO]
_chemical_formula_sum '[Tb2 B2 As2 O2]'
_cell_volume [137.0486]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.5000  1
  B  B1  2  0.0000  0.5000  0.5665  1
  As  As2  2  0.0000  0.5000  0.1287  1
  O  O3  2  0.0000  0.0000  0.0000  1
]