data_[Te2H2Se2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Te  2.1000  1.4000  1.2933
  H  2.2000  0.2500  0.0000
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [2.9452]
_cell_length_b [6.0190]
_cell_length_c [8.0914]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [TeHSe]
_chemical_formula_sum '[Te2 H2 Se2]'
_cell_volume [143.4381]
_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
[
  Te  Te0  2  0.0000  0.0000  0.3423  1
  H  H1  2  0.0000  0.0000  0.6534  1
  Se  Se2  2  0.0000  0.0000  0.8440  1
]