data_[Mg8Ni4Sb8Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
  Sb  2.0500  1.4500  0.8300
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [6.0148]
_cell_length_b [12.5467]
_cell_length_c [6.1869]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Mg2NiSb2Ru]
_chemical_formula_sum '[Mg8 Ni4 Sb8 Ru4]'
_cell_volume [466.9049]
_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
[
  Mg  Mg0  8  0.2490  0.3603  0.0000  1.0
  Ni  Ni1  4  0.0000  0.5000  0.2500  1.0
  Sb  Sb2  8  0.2453  0.3731  0.5000  1.0
  Ru  Ru3  4  0.0000  0.0000  0.2500  1.0
]