data_Li2MgSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.19
_cell_length_b   5.19
_cell_length_c   5.14
_cell_angle_alpha   102.61
_cell_angle_beta   102.61
_cell_angle_gamma   38.24
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2MgSn
_chemical_formula_sum   'Li2 Mg1 Sn1'
_cell_volume   83.36
_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
  Li  Li0  1  0.53  0.0  0.64  1.0
  Li  Li1  1  0.1  0.0  0.36  1.0
  Mg  Mg2  1  0.0  0.0  0.0  1.0
  Sn  Sn3  1  0.31  0.0  0.5  1.0

data_Li2MgSn
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.4
_cell_length_b   5.14
_cell_length_c   5.19
_cell_angle_alpha   102.61
_cell_angle_beta   109.12
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2MgSn
_chemical_formula_sum   'Li2 Mg1 Sn1'
_cell_volume   83.36
_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
  Li  Li0  1  0.0  0.36  0.1  1.0
  Li  Li1  1  0.0  0.64  0.53  1.0
  Mg  Mg2  1  0.0  0.0  0.0  1.0
  Sn  Sn3  1  0.0  0.5  0.31  1.0

Li Li Mg Sn