data_[Ta2Cr2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.5501]
_cell_length_b [6.6825]
_cell_length_c [3.0936]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [TaCrO4]
_chemical_formula_sum '[Ta2 Cr2 O8]'
_cell_volume [135.4114]
_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  0.0000  0.5000  0.5000  1.0
  Cr  Cr1  2  0.0000  0.0000  0.0000  1.0
  O  O2  4  0.0000  0.3064  0.0000  1.0
  O  O3  4  0.1980  0.0000  0.5000  1.0
]