data_YBe5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.8
_cell_length_b   2.8
_cell_length_c   8.9
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YBe5
_chemical_formula_sum   'Y1 Be5'
_cell_volume   69.83
_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
  Y  Y5  1  0.4  0.4  0.45  1.0
  Be  Be0  1  0.0  0.0  0.57  1.0
  Be  Be1  1  0.4  0.4  0.67  1.0
  Be  Be2  1  0.0  0.0  0.0  1.0
  Be  Be3  1  0.4  0.4  0.23  1.0
  Be  Be4  1  0.0  0.0  0.32  1.0

data_YBe5
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.96
_cell_length_b   3.96
_cell_length_c   8.9
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   YBe5
_chemical_formula_sum   'Y2 Be10'
_cell_volume   139.66
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Y  Y0  2  0.4  0.0  0.45  1.0
  Be  Be1  2  0.0  0.0  0.0  1.0
  Be  Be2  2  0.0  0.0  0.32  1.0
  Be  Be3  2  0.0  0.0  0.57  1.0
  Be  Be4  2  0.4  0.0  0.23  1.0
  Be  Be5  2  0.4  0.0  0.67  1.0

Y Be Be Be Be Be