data_Be2SiSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.13
_cell_length_b   3.13
_cell_length_c   7.0
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   103.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SiSb
_chemical_formula_sum   'Be2 Si1 Sb1'
_cell_volume   66.67
_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
  Be  Be0  1  0.93  0.0  0.76  1.0
  Be  Be1  1  0.0  0.0  0.72  1.0
  Si  Si3  1  0.0  0.0  0.99  1.0
  Sb  Sb2  1  0.93  0.0  0.03  1.0

data_Be2SiSb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.13
_cell_length_b   3.13
_cell_length_c   7.0
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   103.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SiSb
_chemical_formula_sum   'Be2 Si1 Sb1'
_cell_volume   66.67
_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
  Be  Be0  1  0.0  0.0  0.72  1.0
  Be  Be1  1  0.93  0.0  0.76  1.0
  Si  Si2  1  0.0  0.0  0.99  1.0
  Sb  Sb3  1  0.93  0.0  0.03  1.0

Be Be Si Sb