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 [Pbam]
_cell_length_a [5.9983]
_cell_length_b [10.4070]
_cell_length_c [3.6819]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Ta2O5]
_chemical_formula_sum '[Ta4 O10]'
_cell_volume [229.8377]
_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  0.2127  0.8617  0.5000  1.0
  O  O1  4  0.0271  0.7217  0.5000  1.0
  O  O2  4  0.2135  0.4016  0.0000  1.0
  O  O3  2  0.0000  0.0000  0.5000  1.0
]