data_[Zr4Cr8B4C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Cr  1.6600  1.4000  0.9400
  B  2.0400  0.8500  0.4100
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.2658]
_cell_length_b [10.2980]
_cell_length_c [6.7539]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [ZrCr2BC]
_chemical_formula_sum '[Zr4 Cr8 B4 C4]'
_cell_volume [227.1407]
_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
[
  Zr  Zr0  4  0.0000  0.4587  0.7500  1.0
  Cr  Cr1  8  0.0000  0.1786  0.5655  1.0
  B  B2  4  0.0000  0.2543  0.2500  1.0
  C  C3  4  0.0000  0.0000  0.0000  1.0
]