data_MgBeCu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.81
_cell_length_b   4.81
_cell_length_c   4.81
_cell_angle_alpha   143.16
_cell_angle_beta   130.24
_cell_angle_gamma   63.5
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgBeCu2
_chemical_formula_sum   'Mg1 Be1 Cu2'
_cell_volume   50.2
_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  Mg3  1  0.0  0.02  0.07  1.0
  Be  Be0  1  0.0  0.0  0.32  1.0
  Cu  Cu1  1  0.0  0.02  0.93  1.0
  Cu  Cu2  1  0.0  0.0  0.95  1.0

data_MgBeCu2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.04
_cell_length_b   4.04
_cell_length_c   4.81
_cell_angle_alpha   114.88
_cell_angle_beta   108.42
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgBeCu2
_chemical_formula_sum   'Mg1 Be1 Cu2'
_cell_volume   50.2
_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  0.93  0.96  0.96  1.0
  Be  Be1  1  0.68  0.68  0.68  1.0
  Cu  Cu2  1  0.05  0.05  0.05  1.0
  Cu  Cu3  1  0.07  0.09  0.09  1.0

Mg Be Cu Cu