data_[Na2Cr2Ge2Te6]
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
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.4855]
_cell_length_b [4.0866]
_cell_length_c [11.6563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1049]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaCrGeTe3]
_chemical_formula_sum '[Na2 Cr2 Ge2 Te6]'
_cell_volume [351.0452]
_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  0.0329  0.7500  0.1575  1.0
  Cr  Cr1  2  0.4615  0.2500  0.8472  1.0
  Ge  Ge2  2  0.4006  0.7500  0.5538  1.0
  Te  Te3  2  0.2092  0.2500  0.6396  1.0
  Te  Te4  2  0.2898  0.7500  0.9465  1.0
  Te  Te5  2  0.3549  0.2500  0.2434  1.0
]