data_[Y8Ta4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ta  1.5000  1.4500  0.8200
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.6163]
_cell_length_b [7.6163]
_cell_length_c [5.7080]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Y2Ta]
_chemical_formula_sum '[Y8 Ta4]'
_cell_volume [331.1088]
_cell_formula_units_Z [4]
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
[
  Y  Y0  8  0.1634  0.3366  0.5000  1
  Ta  Ta1  4  0.0000  0.0000  0.2500  1
]