data_[Na8Cr2C12N12O20]
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
  C  2.5500  0.7000  0.3000
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [9.2584]
_cell_length_b [10.6560]
_cell_length_c [12.5490]
_cell_angle_alpha [90.0000]
_cell_angle_beta [130.7034]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na4CrC6(N3O5)2]
_chemical_formula_sum '[Na8 Cr2 C12 N12 O20]'
_cell_volume [938.5660]
_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  0.2865  0.6327  0.2043  1
  Na  Na1  4  0.4161  0.1666  0.9030  1
  Cr  Cr2  2  0.0000  0.0000  0.0000  1
  C  C3  4  0.0079  0.6913  0.4771  1
  C  C4  4  0.1470  0.5120  0.7144  1
  C  C5  4  0.2572  0.0244  0.0431  1
  N  N6  4  0.0232  0.6995  0.9736  1
  N  N7  4  0.2248  0.5122  0.8353  1
  N  N8  4  0.4037  0.0381  0.0700  1
  O  O9  4  0.1542  0.0668  0.6919  1
  O  O10  4  0.1856  0.1964  0.3716  1
  O  O11  4  0.3037  0.7353  0.3800  1
  O  O12  4  0.4099  0.0680  0.6352  1
  O  O13  4  0.4495  0.1709  0.6940  1
]