data_[Gd2B4C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  B  2.0400  0.8500  0.4100
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [5.3683]
_cell_length_b [5.3683]
_cell_length_c [3.6618]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Gd(BC)2]
_chemical_formula_sum '[Gd2 B4 C4]'
_cell_volume [105.5277]
_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
[
  Gd  Gd0  2  0.0000  0.0000  0.0000  1.0
  B  B1  4  0.1371  0.6371  0.5000  1.0
  C  C2  4  0.1617  0.3383  0.5000  1.0
]