data_[Nd16Mg4Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Mg  1.3100  1.5000  0.8600
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.1963]
_cell_length_b [13.4250]
_cell_length_c [6.3269]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.1837]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Nd4MgOs]
_chemical_formula_sum '[Nd16 Mg4 Os4]'
_cell_volume [742.1049]
_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
[
  Nd  Nd0  8  0.1075  0.1676  0.0484  1.0
  Nd  Nd1  8  0.2245  0.4179  0.3843  1.0
  Mg  Mg2  4  0.0000  0.3805  0.7500  1.0
  Os  Os3  4  0.0000  0.0009  0.2500  1.0
]