data_[Na2Ti2Cu6Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ti  1.5400  1.4000  0.8517
  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 [6.0207]
_cell_length_b [8.1337]
_cell_length_c [10.0628]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8122]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaTiCu3Te4]
_chemical_formula_sum '[Na2 Ti2 Cu6 Te8]'
_cell_volume [471.7182]
_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  0.2861  0.2500  0.0897  1
  Ti  Ti1  2  0.1508  0.7500  0.2898  1
  Cu  Cu2  4  0.2138  0.0105  0.4994  1
  Cu  Cu3  2  0.3437  0.2500  0.6889  1
  Te  Te4  4  0.1128  0.5132  0.7361  1
  Te  Te5  2  0.3094  0.7500  0.0787  1
  Te  Te6  2  0.4922  0.7500  0.5323  1
]