data_[Cu2Ag6Sn12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.7258]
_cell_length_b [6.3555]
_cell_length_c [12.0868]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.3201]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Cu(AgSn2)3]
_chemical_formula_sum '[Cu2 Ag6 Sn12]'
_cell_volume [471.9675]
_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
[
  Cu  Cu0  2  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  4  0.2003  0.7251  0.2292  1.0
  Ag  Ag2  2  0.5000  0.0000  0.5000  1.0
  Sn  Sn3  4  0.0892  0.6346  0.9284  1.0
  Sn  Sn4  4  0.2550  0.1091  0.9128  1.0
  Sn  Sn5  4  0.4018  0.1183  0.2322  1.0
]