data_[Er8Tl2Sn2C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.7762]
_cell_length_b [4.7762]
_cell_length_c [15.6908]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Er4TlSnC]
_chemical_formula_sum '[Er8 Tl2 Sn2 C2]'
_cell_volume [357.9337]
_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
[
  Er  Er0  4  0.0000  0.5000  0.0002  1.0
  Er  Er1  2  0.0000  0.0000  0.1607  1.0
  Er  Er2  2  0.0000  0.0000  0.8402  1.0
  Tl  Tl3  2  0.0000  0.0000  0.3602  1.0
  Sn  Sn4  2  0.0000  0.0000  0.6381  1.0
  C  C5  2  0.0000  0.0000  0.0004  1.0
]