data_[Ga1H1Se1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  H  2.2000  0.2500  0.0000
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.7944]
_cell_length_b [3.7944]
_cell_length_c [5.5739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [GaHSe]
_chemical_formula_sum '[Ga1 H1 Se1]'
_cell_volume [69.4968]
_cell_formula_units_Z [1]
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
[
  Ga  Ga0  1  0.3333  0.6667  0.2251  1.0
  H  H1  1  0.3333  0.6667  0.9465  1.0
  Se  Se2  1  0.6667  0.3333  0.4320  1.0
]