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 [Cm]
_cell_length_a [18.7611]
_cell_length_b [3.1416]
_cell_length_c [5.9889]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3477]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Ta2O5]
_chemical_formula_sum '[Ta4 O10]'
_cell_volume [346.0819]
_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  2  0.1285  0.5000  0.9305  1
  Ta  Ta1  2  0.1850  0.0000  0.5024  1
  O  O2  2  0.0347  0.5000  0.8735  1
  O  O3  2  0.1190  0.5000  0.5663  1
  O  O4  2  0.1374  0.0000  0.1780  1
  O  O5  2  0.1911  0.0000  0.8452  1
  O  O6  2  0.2460  0.5000  0.4791  1
]