data_Ag2Sn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.76
_cell_length_b   4.76
_cell_length_c   3.22
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2Sn
_chemical_formula_sum   'Ag2 Sn1'
_cell_volume   73.16
_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
  Ag  Ag0  1  0.0  0.38  0.61  1.0
  Ag  Ag1  1  0.38  0.0  0.61  1.0
  Sn  Sn2  1  0.0  0.0  0.0  1.0

data_Ag2Sn
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.74
_cell_length_b   6.74
_cell_length_c   3.22
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ag2Sn
_chemical_formula_sum   'Ag4 Sn2'
_cell_volume   146.32
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Ag  Ag0  4  0.19  0.19  0.61  1.0
  Sn  Sn1  2  0.0  0.0  0.0  1.0

Ag Ag Sn
Ag Ag Sn 0 2 o o o 0 2 o o + 0 1 o o o 1 2 o o o 1 2 o o + 
Ag2Sn crystallizes in the monoclinic Cm space group. Ag(1) is bonded in a 1-coordinate geometry to three equivalent Sn(1) atoms. There are a spread of Ag(1)-Sn(1) bond distances ranging from 2.21-3.20 Å. Sn(1) is bonded in a 6-coordinate geometry to six equivalent Ag(1) atoms.