data_Be2SnPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.55
_cell_length_b   4.55
_cell_length_c   4.55
_cell_angle_alpha   128.85
_cell_angle_beta   128.85
_cell_angle_gamma   75.25
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SnPt
_chemical_formula_sum   'Be2 Sn1 Pt1'
_cell_volume   55.61
_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  0.96  0.0  0.8  1.0
  Be  Be1  1  0.0  0.96  0.8  1.0
  Sn  Sn3  1  0.0  0.0  0.0  1.0
  Pt  Pt2  1  0.0  0.0  0.6  1.0

data_Be2SnPt
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.56
_cell_length_b   5.56
_cell_length_c   4.55
_cell_angle_alpha   90.0
_cell_angle_beta   127.63
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Be2SnPt
_chemical_formula_sum   'Be4 Sn2 Pt2'
_cell_volume   111.22
_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
  Be  Be0  4  0.18  0.02  0.16  1.0
  Sn  Sn1  2  0.0  0.0  0.0  1.0
  Pt  Pt2  2  0.4  0.0  0.4  1.0

Be Be Sn Pt