data_[Ba1Tb1Mg1Nb1O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Tb  1.1000  1.7500  0.9815
  Mg  1.3100  1.5000  0.8600
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.7015]
_cell_length_b [5.7047]
_cell_length_c [5.7157]
_cell_angle_alpha [90.7200]
_cell_angle_beta [118.9458]
_cell_angle_gamma [119.8224]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [BaTbMgNbO6]
_chemical_formula_sum '[Ba1 Tb1 Mg1 Nb1 O6]'
_cell_volume [133.0510]
_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
[
  Ba  Ba0  1  0.4951  0.7489  0.2432  1.0
  Tb  Tb1  1  0.4983  0.2791  0.7168  1.0
  Mg  Mg2  1  0.9994  0.0048  0.9961  1.0
  Nb  Nb3  1  0.0001  0.4994  0.4984  1.0
  O  O4  1  0.0048  0.2055  0.3145  1.0
  O  O5  1  0.1198  0.8647  0.7344  1.0
  O  O6  1  0.4946  0.6871  0.7315  1.0
  O  O7  1  0.5071  0.2739  0.3121  1.0
  O  O8  1  0.9372  0.6481  0.1750  1.0
  O  O9  1  0.9436  0.2887  0.7780  1.0
]