data_[U2Al2Cr2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Al  1.6100  1.2500  0.6750
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-31c]
_cell_length_a [5.0049]
_cell_length_b [5.0049]
_cell_length_c [9.2441]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [163]
_chemical_formula_structural [UAlCrO6]
_chemical_formula_sum '[U2 Al2 Cr2 O12]'
_cell_volume [200.5316]
_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
[
  U  U0  2  0.0000  0.0000  0.0000  1
  Al  Al1  2  0.3333  0.6667  0.2500  1
  Cr  Cr2  2  0.3333  0.6667  0.7500  1
  O  O3  12  0.0132  0.3486  0.1342  1
]