data_[Na2Cr2Cu2Te6]
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
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.5295]
_cell_length_b [3.9346]
_cell_length_c [9.7569]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.2033]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaCrCuTe3]
_chemical_formula_sum '[Na2 Cr2 Cu2 Te6]'
_cell_volume [307.2995]
_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  0.2172  0.2500  0.2622  1.0
  Cr  Cr1  2  0.3186  0.7500  0.8393  1.0
  Cu  Cu2  2  0.0750  0.2500  0.5935  1.0
  Te  Te3  2  0.1105  0.2500  0.8677  1.0
  Te  Te4  2  0.2518  0.7500  0.5442  1.0
  Te  Te5  2  0.4496  0.7500  0.1395  1.0
]