data_[Si2Sb2Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Sb  2.0500  1.4500  0.8300
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.1076]
_cell_length_b [3.7378]
_cell_length_c [11.1322]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [SiSbRu2]
_chemical_formula_sum '[Si2 Sb2 Ru4]'
_cell_volume [129.3071]
_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
[
  Si  Si0  2  0.0000  0.5000  0.2846  1
  Sb  Sb1  2  0.0000  0.0000  0.5452  1
  Ru  Ru2  2  0.0000  0.0000  0.9484  1
  Ru  Ru3  2  0.0000  0.5000  0.7218  1
]