data_[Na2Cr2Ga2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cr  1.6600  1.4000  0.9400
  Ga  1.8100  1.3000  0.7600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.3556]
_cell_length_b [5.2701]
_cell_length_c [7.0712]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.2252]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaCrGaO4]
_chemical_formula_sum '[Na2 Cr2 Ga2 O8]'
_cell_volume [184.7534]
_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  2  0.4048  0.7500  0.8512  1
  Cr  Cr1  2  0.1895  0.2500  0.5409  1
  Ga  Ga2  2  0.2540  0.7500  0.3215  1
  O  O3  4  0.0072  0.0088  0.6720  1
  O  O4  2  0.4489  0.2500  0.4236  1
  O  O5  2  0.4964  0.7500  0.1950  1
]