data_[Ce4Be2Si2C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  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 [6.3245]
_cell_length_b [3.7992]
_cell_length_c [8.0917]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9327]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ce2BeSiC]
_chemical_formula_sum '[Ce4 Be2 Si2 C2]'
_cell_volume [184.9820]
_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
[
  Ce  Ce0  2  0.2000  0.2500  0.3889  1.0
  Ce  Ce1  2  0.2249  0.2500  0.9650  1.0
  Be  Be2  2  0.4522  0.7500  0.2507  1.0
  Si  Si3  2  0.3428  0.7500  0.7013  1.0
  C  C4  2  0.1675  0.7500  0.1721  1.0
]