data_[Pr4Fe4Si12Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [7.3105]
_cell_length_b [10.8601]
_cell_length_c [5.5369]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [PrFeSi3Os]
_chemical_formula_sum '[Pr4 Fe4 Si12 Os4]'
_cell_volume [439.5862]
_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
[
  Pr  Pr0  4  0.0000  0.2459  0.7500  1
  Fe  Fe1  4  0.0000  0.0464  0.2500  1
  Si  Si2  8  0.2395  0.0000  0.0000  1
  Si  Si3  4  0.0000  0.2386  0.2500  1
  Os  Os4  4  0.0000  0.4445  0.2500  1
]