data_[Rb2La1Tb1O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [3.5978]
_cell_length_b [3.5978]
_cell_length_c [12.9479]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Rb2LaTbO4]
_chemical_formula_sum '[Rb2 La1 Tb1 O4]'
_cell_volume [145.1493]
_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
[
  Rb  Rb0  2  0.3333  0.6667  0.7556  1
  Tb  Tb1  1  0.0000  0.0000  0.0000  1
  La  La2  1  0.0000  0.0000  0.5000  1
  O  O3  2  0.3333  0.6667  0.0865  1
  O  O4  2  0.3333  0.6667  0.4041  1
]