data_[Ta10Nb2Os8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Nb  1.6000  1.4500  0.8200
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.6643]
_cell_length_b [4.5303]
_cell_length_c [5.5312]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.7917]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ta5NbOs4]
_chemical_formula_sum '[Ta10 Nb2 Os8]'
_cell_volume [329.4739]
_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
[
  Ta  Ta0  4  0.0986  0.0000  0.3970  1
  Ta  Ta1  4  0.1997  0.5000  0.7979  1
  Ta  Ta2  2  0.0000  0.5000  0.5000  1
  Nb  Nb3  2  0.0000  0.5000  0.0000  1
  Os  Os4  4  0.1034  0.0000  0.9049  1
  Os  Os5  4  0.2028  0.5000  0.3018  1
]