data_[Hf2Ge2Te2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [3.8996]
_cell_length_b [3.8996]
_cell_length_c [8.5352]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [HfGeTe]
_chemical_formula_sum '[Hf2 Ge2 Te2]'
_cell_volume [129.7954]
_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
[
  Hf  Hf0  2  0.0000  0.5000  0.7537  1.0
  Ge  Ge1  2  0.0000  0.0000  0.0000  1.0
  Te  Te2  2  0.0000  0.5000  0.3788  1.0
]