data_Y(MnBe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.98
_cell_length_b   5.98
_cell_length_c   5.98
_cell_angle_alpha   146.21
_cell_angle_beta   146.21
_cell_angle_gamma   48.54
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y(MnBe)2
_chemical_formula_sum   'Y1 Mn2 Be2'
_cell_volume   65.82
_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  Y4  1  0.0  0.0  0.0  1.0
  Mn  Mn2  1  0.0  0.74  0.73  1.0
  Mn  Mn3  1  0.74  0.0  0.73  1.0
  Be  Be0  1  0.0  0.0  0.67  1.0
  Be  Be1  1  0.0  0.0  0.23  1.0

data_Y(MnBe)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.91
_cell_length_b   4.91
_cell_length_c   5.98
_cell_angle_alpha   90.0
_cell_angle_beta   114.27
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Y(MnBe)2
_chemical_formula_sum   'Y2 Mn4 Be4'
_cell_volume   131.64
_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  0.0  0.0  0.0  1.0
  Mn  Mn1  4  0.36  0.37  0.99  1.0
  Be  Be2  2  0.17  0.5  0.67  1.0
  Be  Be3  2  0.23  0.0  0.23  1.0

Y Mn Mn Be Be