data_Ta2BeSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.18
_cell_length_b   5.18
_cell_length_c   5.18
_cell_angle_alpha   134.84
_cell_angle_beta   134.84
_cell_angle_gamma   65.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2BeSn
_chemical_formula_sum   'Ta2 Be1 Sn1'
_cell_volume   68.79
_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
  Ta  Ta2  1  0.0  0.0  0.35  1.0
  Ta  Ta3  1  0.0  0.99  0.17  1.0
  Be  Be0  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.99  0.0  0.17  1.0

data_Ta2BeSn
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.62
_cell_length_b   5.62
_cell_length_c   5.18
_cell_angle_alpha   90.0
_cell_angle_beta   122.89
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ta2BeSn
_chemical_formula_sum   'Ta4 Be2 Sn2'
_cell_volume   137.58
_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
  Ta  Ta0  2  0.15  0.5  0.65  1.0
  Ta  Ta1  2  0.32  0.5  0.81  1.0
  Be  Be2  2  0.0  0.0  0.0  1.0
  Sn  Sn3  2  0.32  0.5  0.81  1.0

Ta Ta Be Sn