data_MgBe2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.19
_cell_length_b   4.19
_cell_length_c   4.49
_cell_angle_alpha   108.76
_cell_angle_beta   108.76
_cell_angle_gamma   48.02
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgBe2Pt
_chemical_formula_sum   'Mg1 Be2 Pt1'
_cell_volume   54.98
_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
  Mg  Mg2  1  0.0  0.0  0.0  1.0
  Be  Be0  1  0.7  0.0  0.6  1.0
  Be  Be1  1  0.38  0.0  0.61  1.0
  Pt  Pt3  1  0.04  0.0  0.1  1.0

data_MgBe2Pt
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.41
_cell_length_b   4.19
_cell_length_c   4.49
_cell_angle_alpha   108.76
_cell_angle_beta   90.0
_cell_angle_gamma   114.01
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgBe2Pt
_chemical_formula_sum   'Mg1 Be2 Pt1'
_cell_volume   54.98
_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
  Mg  Mg0  1  0.0  0.0  0.0  1.0
  Be  Be1  1  0.0  0.3  0.4  1.0
  Be  Be2  1  0.0  0.62  0.39  1.0
  Pt  Pt3  1  0.0  0.96  0.9  1.0

Mg Be Be Pt