data_[Er8Si4Ge4Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.5838]
_cell_length_b [4.2120]
_cell_length_c [10.0499]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.2059]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er2SiGeOs]
_chemical_formula_sum '[Er8 Si4 Ge4 Os4]'
_cell_volume [394.8141]
_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
[
  Er  Er0  4  0.0062  0.0000  0.1737  1
  Er  Er1  4  0.1857  0.0000  0.6167  1
  Si  Si2  4  0.1423  0.5000  0.0596  1
  Ge  Ge3  4  0.0141  0.5000  0.3752  1
  Os  Os4  4  0.2335  0.5000  0.8752  1
]