data_[Na2Ce2Ni2S6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  Ni  1.9100  1.3500  0.7400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.1145]
_cell_length_b [3.9298]
_cell_length_c [8.6538]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.5016]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaCeNiS3]
_chemical_formula_sum '[Na2 Ce2 Ni2 S6]'
_cell_volume [270.4152]
_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  0.1795  0.2500  0.2162  1.0
  Ce  Ce1  2  0.3223  0.7500  0.8277  1.0
  Ni  Ni2  2  0.0871  0.2500  0.5763  1.0
  S  S3  2  0.1020  0.2500  0.8488  1.0
  S  S4  2  0.1920  0.7500  0.5125  1.0
  S  S5  2  0.4328  0.7500  0.1592  1.0
]