data_[Lu3Sn6Ru3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Lu  1.2700  1.7500  1.0010
  Sn  1.9600  1.4500  0.8300
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.4926]
_cell_length_b [4.4926]
_cell_length_c [14.8037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [LuSn2Ru]
_chemical_formula_sum '[Lu3 Sn6 Ru3]'
_cell_volume [258.7632]
_cell_formula_units_Z [3]
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
[
  Lu  Lu0  3  -0.0000  -0.0000  0.5000  1
  Sn  Sn1  6  0.0000  0.0000  0.2713  1
  Ru  Ru2  3  0.0000  0.0000  0.0000  1
]