data_HfNbSi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.2
_cell_length_b   5.2
_cell_length_c   5.2
_cell_angle_alpha   136.44
_cell_angle_beta   136.44
_cell_angle_gamma   63.3
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HfNbSi2
_chemical_formula_sum   'Hf1 Nb1 Si2'
_cell_volume   65.76
_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
  Hf  Hf0  1  0.93  0.0  0.21  1.0
  Nb  Nb1  1  0.0  0.0  0.42  1.0
  Si  Si2  1  0.0  0.93  0.21  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0

data_HfNbSi2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.86
_cell_length_b   3.86
_cell_length_c   5.2
_cell_angle_alpha   111.78
_cell_angle_beta   111.78
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HfNbSi2
_chemical_formula_sum   'Hf1 Nb1 Si2'
_cell_volume   65.76
_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
  Hf  Hf0  1  0.21  0.28  0.28  1.0
  Nb  Nb1  1  0.42  0.42  0.42  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.28  0.21  0.28  1.0

Hf Nb Si Si