data_[Rb4Tb4Be4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  Be  1.5700  1.0500  0.5900
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [21.3230]
_cell_length_b [4.2915]
_cell_length_c [9.1965]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.5895]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbTbBeTe3]
_chemical_formula_sum '[Rb4 Tb4 Be4 Te12]'
_cell_volume [827.2211]
_cell_formula_units_Z [4]
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  4  0.1381  0.5000  0.9524  1.0
  Tb  Tb1  4  0.1613  0.5000  0.4473  1.0
  Be  Be2  4  0.0213  0.0000  0.3688  1.0
  Te  Te3  4  0.0352  0.5000  0.2314  1.0
  Te  Te4  4  0.0956  0.0000  0.6142  1.0
  Te  Te5  4  0.2253  0.0000  0.2823  1.0
]