data_Si2B
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.1
_cell_length_b   6.1
_cell_length_c   3.14
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2B
_chemical_formula_sum   'Si6 B3'
_cell_volume   101.0
_cell_formula_units_Z   3
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
  Si  Si3  1  0.57  0.0  0.57  1.0
  Si  Si4  1  0.22  0.36  0.57  1.0
  Si  Si5  1  0.26  0.92  0.57  1.0
  Si  Si6  1  0.49  0.0  0.0  1.0
  Si  Si7  1  0.25  0.02  0.0  1.0
  Si  Si8  1  0.3  0.26  0.0  1.0
  B  B0  1  0.0  0.52  0.57  1.0
  B  B1  1  0.05  0.76  0.57  1.0
  B  B2  1  0.0  0.0  0.0  1.0

data_Si2B
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.14
_cell_length_b   6.1
_cell_length_c   6.1
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2B
_chemical_formula_sum   'Si6 B3'
_cell_volume   101.0
_cell_formula_units_Z   3
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
  Si  Si0  1  0.0  0.25  0.02  1.0
  Si  Si1  1  0.0  0.3  0.26  1.0
  Si  Si2  1  0.0  0.49  0.0  1.0
  Si  Si3  1  0.57  0.22  0.36  1.0
  Si  Si4  1  0.57  0.26  0.92  1.0
  Si  Si5  1  0.57  0.57  0.0  1.0
  B  B6  1  0.0  0.0  0.0  1.0
  B  B7  1  0.57  0.0  0.52  1.0
  B  B8  1  0.57  0.05  0.76  1.0

Si Si Si Si Si Si B B B