data_[Si4Ni2Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Ni  1.9100  1.3500  0.7400
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.3887]
_cell_length_b [2.9967]
_cell_length_c [4.1654]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.6477]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Si2NiOs]
_chemical_formula_sum '[Si4 Ni2 Os2]'
_cell_volume [100.8292]
_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  0.0030  0.0000  0.0497  1.0
  Si  Si1  2  0.2468  0.0000  0.6901  1.0
  Ni  Ni2  2  0.0100  0.5000  0.5776  1.0
  Os  Os3  2  0.2402  0.5000  0.1826  1.0
]