data_AgSn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.83
_cell_length_b   7.05
_cell_length_c   3.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgSn2
_chemical_formula_sum   'Ag2 Sn4'
_cell_volume   152.95
_cell_formula_units_Z   2
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  0.0  0.0  1.0
  Ag  Ag1  1  0.41  0.53  0.59  1.0
  Sn  Sn2  1  0.18  0.45  0.0  1.0
  Sn  Sn3  1  0.65  0.6  0.0  1.0
  Sn  Sn4  1  0.59  0.12  0.59  1.0
  Sn  Sn5  1  0.24  0.93  0.59  1.0

data_AgSn2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.18
_cell_length_b   6.83
_cell_length_c   7.05
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgSn2
_chemical_formula_sum   'Ag2 Sn4'
_cell_volume   152.95
_cell_formula_units_Z   2
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  0.0  0.0  1.0
  Ag  Ag1  1  0.59  0.41  0.53  1.0
  Sn  Sn2  1  0.0  0.18  0.45  1.0
  Sn  Sn3  1  0.0  0.65  0.6  1.0
  Sn  Sn4  1  0.59  0.24  0.93  1.0
  Sn  Sn5  1  0.59  0.59  0.12  1.0

Ag Ag Sn Sn Sn Sn
AgSn2 crystallizes in the triclinic P1 space group. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 2-coordinate geometry to two equivalent Sn(3) and two equivalent Sn(4) atoms. There is one shorter (3.20 Å) and one longer (3.47 Å) Ag(1)-Sn(3) bond length. There is one shorter (2.13 Å) and one longer (2.52 Å) Ag(1)-Sn(4) bond length. In the second Ag site, Ag(2) is bonded to one Sn(3), one Sn(4), two equivalent Sn(1), and two equivalent Sn(2) atoms to form distorted edge-sharing AgSn6 octahedra. The Ag(2)-Sn(3) bond length is 3.08 Å. The Ag(2)-Sn(4) bond length is 3.08 Å. There is one shorter (2.13 Å) and one longer (2.52 Å) Ag(2)-Sn(1) bond length. There is one shorter (2.13 Å) and one longer (2.52 Å) Ag(2)-Sn(2) bond length. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 2-coordinate geometry to two equivalent Ag(2) atoms. In the second Sn site, Sn(2) is bonded in a distorted L-shaped geometry to two equivalent Ag(2) atoms. In the third Sn site, Sn(3) is bonded in a 6-coordinate geometry to one Ag(2), two equivalent Ag(1), one Sn(4), and two equivalent Sn(3) atoms. The Sn(3)-Sn(4) bond length is 2.80 Å. Both Sn(3)-Sn(3) bond lengths are 3.18 Å. In the fourth Sn site, Sn(4) is bonded in a 4-coordinate geometry to one Ag(2), two equivalent Ag(1), and one Sn(3) atom.