data_[Er6Tc4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tc  1.9000  1.3500  0.7417
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.6344]
_cell_length_b [3.2613]
_cell_length_c [7.3342]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.8919]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er3(TcC2)2]
_chemical_formula_sum '[Er6 Tc4 C8]'
_cell_volume [251.9559]
_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  0.1184  0.5000  0.4045  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Tc  Tc2  4  0.2051  0.5000  0.8299  1
  C  C3  4  0.1408  0.0000  0.6533  1
  C  C4  4  0.1578  0.5000  0.0907  1
]