data_[Sr6Ni8Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ni  1.9100  1.3500  0.7400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [25.7319]
_cell_length_b [4.2989]
_cell_length_c [4.8656]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.2141]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr3(NiSn)4]
_chemical_formula_sum '[Sr6 Ni8 Sn8]'
_cell_volume [533.9569]
_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
[
  Sr  Sr0  4  0.1504  0.5000  0.1011  1
  Sr  Sr1  2  0.0000  0.0000  0.0000  1
  Ni  Ni2  4  0.1080  0.0000  0.5579  1
  Ni  Ni3  4  0.2463  0.0000  0.1456  1
  Sn  Sn4  4  0.0566  0.5000  0.5362  1
  Sn  Sn5  4  0.2098  0.0000  0.6260  1
]