data_Be2Co
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.28
_cell_length_b   4.28
_cell_length_c   4.28
_cell_angle_alpha   109.59
_cell_angle_beta   109.59
_cell_angle_gamma   109.23
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2Co
_chemical_formula_sum   'Be4 Co2'
_cell_volume   60.27
_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
  Be  Be0  1  0.02  0.44  0.0  1.0
  Be  Be1  1  0.44  0.02  0.48  1.0
  Be  Be2  1  0.49  0.02  0.0  1.0
  Be  Be3  1  0.98  0.44  0.48  1.0
  Co  Co4  1  0.0  0.0  0.72  1.0
  Co  Co5  1  0.0  0.0  0.24  1.0

data_Be2Co
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.28
_cell_length_b   4.28
_cell_length_c   4.28
_cell_angle_alpha   109.23
_cell_angle_beta   109.59
_cell_angle_gamma   109.59
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2Co
_chemical_formula_sum   'Be4 Co2'
_cell_volume   60.27
_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
  Be  Be0  1  0.0  0.49  0.02  1.0
  Be  Be1  1  0.0  0.02  0.44  1.0
  Be  Be2  1  0.48  0.44  0.02  1.0
  Be  Be3  1  0.48  0.98  0.44  1.0
  Co  Co4  1  0.24  0.0  0.0  1.0
  Co  Co5  1  0.72  0.0  0.0  1.0

Be Be Be Be Co Co