data_Sr2LiSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.8
_cell_length_b   6.8
_cell_length_c   6.8
_cell_angle_alpha   143.91
_cell_angle_beta   132.0
_cell_angle_gamma   61.49
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2LiSn
_chemical_formula_sum   'Sr2 Li1 Sn1'
_cell_volume   135.93
_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
  Sr  Sr2  1  0.0  0.0  0.31  1.0
  Sr  Sr3  1  0.0  0.76  0.79  1.0
  Li  Li0  1  0.0  0.0  0.25  1.0
  Sn  Sn1  1  0.1  0.0  0.33  1.0

data_Sr2LiSn
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.21
_cell_length_b   5.53
_cell_length_c   6.8
_cell_angle_alpha   114.0
_cell_angle_beta   108.04
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2LiSn
_chemical_formula_sum   'Sr2 Li1 Sn1'
_cell_volume   135.93
_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
  Sr  Sr0  1  0.21  0.97  0.97  1.0
  Sr  Sr1  1  0.69  0.69  0.69  1.0
  Li  Li2  1  0.75  0.75  0.75  1.0
  Sn  Sn3  1  0.78  0.67  0.78  1.0

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