data_[Tb4Be2Si2C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Be  1.5700  1.0500  0.5900
  Si  1.9000  1.1000  0.5400
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.3401]
_cell_length_b [3.7500]
_cell_length_c [7.9521]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.6846]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb2BeSiC]
_chemical_formula_sum '[Tb4 Be2 Si2 C2]'
_cell_volume [180.1332]
_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  0.2016  0.2500  0.3899  1.0
  Tb  Tb1  2  0.2169  0.2500  0.9641  1.0
  Be  Be2  2  0.4552  0.7500  0.2471  1.0
  Si  Si3  2  0.3334  0.7500  0.7020  1.0
  C  C4  2  0.1755  0.7500  0.1743  1.0
]