data_[Er12Sn4Os4]
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 [16.9404]
_cell_length_b [3.4550]
_cell_length_c [8.8785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.7141]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er3SnOs]
_chemical_formula_sum '[Er12 Sn4 Os4]'
_cell_volume [516.0888]
_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  0.0553  0.0000  0.2052  1
  Er  Er1  4  0.0995  0.5000  0.5562  1
  Er  Er2  4  0.2448  0.5000  0.1993  1
  Sn  Sn3  4  0.1080  0.5000  0.9166  1
  Os  Os4  4  0.2010  0.0000  0.4237  1
]