data_[Er16Sb4C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Sb  2.0500  1.4500  0.8300
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [9.0682]
_cell_length_b [7.6210]
_cell_length_c [9.6832]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Er4SbC]
_chemical_formula_sum '[Er16 Sb4 C4]'
_cell_volume [669.1987]
_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
[
  Er  Er0  8  0.0000  0.2601  0.5481  1
  Er  Er1  8  0.1957  0.0650  0.2500  1
  Sb  Sb2  4  0.0000  0.4038  0.2500  1
  C  C3  4  0.0000  0.1155  0.7500  1
]