data_[Eu4Ta4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.8387]
_cell_length_b [10.2507]
_cell_length_c [5.6985]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3246]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Eu2Ta2O7]
_chemical_formula_sum '[Eu4 Ta4 O14]'
_cell_volume [391.6971]
_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
[
  Eu  Eu0  4  0.0000  0.3139  0.0000  1.0
  Ta  Ta1  4  0.2474  0.5000  0.6095  1.0
  O  O2  8  0.2215  0.1532  0.2091  1.0
  O  O3  4  0.0653  0.5000  0.2992  1.0
  O  O4  2  0.0000  0.0000  0.5000  1.0
]