data_[Na2Zn2Sb2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.9491]
_cell_length_b [4.0647]
_cell_length_c [9.3220]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.4049]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaZnSbSe3]
_chemical_formula_sum '[Na2 Zn2 Sb2 Se6]'
_cell_volume [335.4528]
_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  0.1729  0.2500  0.2169  1.0
  Zn  Zn1  2  0.0890  0.2500  0.5963  1.0
  Sb  Sb2  2  0.3476  0.7500  0.8572  1.0
  Se  Se3  2  0.1271  0.2500  0.8665  1.0
  Se  Se4  2  0.1957  0.7500  0.4892  1.0
  Se  Se5  2  0.4067  0.7500  0.1416  1.0
]