data_[Er4Nb8Cr4C16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Nb  1.6000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.1899]
_cell_length_b [11.1282]
_cell_length_c [11.0227]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [ErNb2CrC4]
_chemical_formula_sum '[Er4 Nb8 Cr4 C16]'
_cell_volume [391.2775]
_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  4  0.0000  0.1030  0.7500  1.0
  Nb  Nb1  8  0.0000  0.3701  0.5396  1.0
  Cr  Cr2  4  0.0000  0.1632  0.2500  1.0
  C  C3  8  0.0000  0.2651  0.1192  1.0
  C  C4  4  0.0000  0.0000  0.0000  1.0
  C  C5  4  0.0000  0.4342  0.7500  1.0
]