data_[Cu13Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.4795]
_cell_length_b [6.2558]
_cell_length_c [6.7857]
_cell_angle_alpha [71.1325]
_cell_angle_beta [83.2883]
_cell_angle_gamma [88.4143]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Cu13Si2]
_chemical_formula_sum '[Cu13 Si2]'
_cell_volume [178.6909]
_cell_formula_units_Z [1]
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
[
  Si  Si0  2  0.0763  0.1433  0.6090  1.0
  Cu  Cu1  2  0.1356  0.2568  0.2107  1.0
  Cu  Cu2  2  0.2006  0.4005  0.8069  1.0
  Cu  Cu3  2  0.2639  0.5284  0.4002  1.0
  Cu  Cu4  2  0.3342  0.6637  0.9971  1.0
  Cu  Cu5  2  0.3855  0.8052  0.5943  1.0
  Cu  Cu6  2  0.4670  0.9297  0.1983  1.0
  Cu  Cu7  1  0.0000  0.0000  0.0000  1.0
]