data_[Ta4O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [8.8372]
_cell_length_b [6.6535]
_cell_length_c [6.1096]
_cell_angle_alpha [90.0000]
_cell_angle_beta [133.1175]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [Ta2O5]
_chemical_formula_sum '[Ta4 O10]'
_cell_volume [262.2270]
_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  0.2186  0.0133  0.1191  1.0
  O  O1  4  0.0946  0.0126  0.2737  1.0
  O  O2  4  0.2402  0.2570  0.9689  1.0
  O  O3  2  0.0000  0.5431  0.5000  1.0
]