data_[Sr4Cu12Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.6886]
_cell_length_b [4.4297]
_cell_length_c [7.6877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.2059]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrCu3Sn2]
_chemical_formula_sum '[Sr4 Cu12 Sn8]'
_cell_volume [514.2033]
_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
[
  Sr  Sr0  4  0.1539  0.0000  0.0916  1.0
  Cu  Cu1  4  0.0078  0.0000  0.6642  1.0
  Cu  Cu2  4  0.0842  0.5000  0.6264  1.0
  Cu  Cu3  4  0.1989  0.5000  0.4680  1.0
  Sn  Sn4  4  0.0294  0.5000  0.2116  1.0
  Sn  Sn5  4  0.1749  0.0000  0.6489  1.0
]