data_[Er16Sn4Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Sn  1.9600  1.4500  0.8300
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.2115]
_cell_length_b [4.9835]
_cell_length_c [6.5571]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8311]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er8Sn2Os]
_chemical_formula_sum '[Er16 Sn4 Os2]'
_cell_volume [600.8859]
_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
[
  Er  Er0  4  0.0213  0.0000  0.7910  1.0
  Er  Er1  4  0.0877  0.5000  0.4506  1.0
  Er  Er2  4  0.1449  0.5000  0.9971  1.0
  Er  Er3  4  0.2184  0.0000  0.3184  1.0
  Sn  Sn4  4  0.1812  0.0000  0.7536  1.0
  Os  Os5  2  0.0000  0.5000  0.0000  1.0
]