data_[Na6Y4Cr2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Y  1.2200  1.8000  1.0400
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.7167]
_cell_length_b [9.9218]
_cell_length_c [5.8547]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.5783]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Y2CrO6]
_chemical_formula_sum '[Na6 Y4 Cr2 O12]'
_cell_volume [314.7715]
_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
[
  Na  Na0  4  0.0000  0.1554  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Y  Y2  4  0.0000  0.3328  0.0000  1.0
  Cr  Cr3  2  0.0000  0.0000  0.0000  1.0
  O  O4  8  0.2228  0.1547  0.2082  1.0
  O  O5  4  0.2430  0.0000  0.7954  1.0
]