data_[Er8Co8Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Co  1.8800  1.3500  0.7683
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.1397]
_cell_length_b [5.3293]
_cell_length_c [7.2551]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9199]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Er2Co2Si]
_chemical_formula_sum '[Er8 Co8 Si4]'
_cell_volume [344.4363]
_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  0.1492  0.3623  0.1484  1
  Co  Co1  8  0.1313  0.1353  0.5032  1
  Si  Si2  4  0.0000  0.1197  0.7500  1
]