data_[Er16Ir4Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ir  2.2000  1.3500  0.7650
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.9240]
_cell_length_b [12.8292]
_cell_length_c [6.1154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.2415]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Er4IrOs]
_chemical_formula_sum '[Er16 Ir4 Os4]'
_cell_volume [585.5691]
_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  8  0.1323  0.8214  0.0960  1.0
  Er  Er1  8  0.1900  0.5611  0.2635  1.0
  Ir  Ir2  4  0.0000  0.0010  0.7500  1.0
  Os  Os3  4  0.0000  0.3643  0.2500  1.0
]