data_[Li4Mg12Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.4852]
_cell_length_b [7.9727]
_cell_length_c [9.3601]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.0700]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [LiMg3Sn]
_chemical_formula_sum '[Li4 Mg12 Sn4]'
_cell_volume [457.1687]
_cell_formula_units_Z [4]
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  4  0.2983  0.0799  0.5331  1
  Mg  Mg1  4  0.0939  0.1119  0.7636  1
  Mg  Mg2  4  0.2694  0.0796  0.1687  1
  Mg  Mg3  4  0.4212  0.6859  0.4987  1
  Sn  Sn4  4  0.1473  0.7166  0.1146  1
]