data_Li2YSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.83
_cell_length_b   4.83
_cell_length_c   5.46
_cell_angle_alpha   111.84
_cell_angle_beta   111.84
_cell_angle_gamma   51.94
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2YSn
_chemical_formula_sum   'Li2 Y1 Sn1'
_cell_volume   91.19
_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  0.46  0.0  0.3  1.0
  Li  Li1  1  0.41  0.0  0.7  1.0
  Y  Y3  1  0.96  0.0  0.29  1.0
  Sn  Sn2  1  0.24  0.0  0.12  1.0

data_Li2YSn
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.23
_cell_length_b   4.83
_cell_length_c   5.46
_cell_angle_alpha   111.84
_cell_angle_beta   90.0
_cell_angle_gamma   115.97
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2YSn
_chemical_formula_sum   'Li2 Y1 Sn1'
_cell_volume   91.19
_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  0.54  0.7  1.0
  Li  Li1  1  0.0  0.59  0.3  1.0
  Y  Y2  1  0.0  0.04  0.71  1.0
  Sn  Sn3  1  0.0  0.76  0.88  1.0

Li Li Y Sn
Li Li Y Sn 0 3 o o o 0 1 o o o 0 2 - o o 1 2 - o o 1 3 o o + 2 3 + o o 