data_SrSnCl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.7
_cell_length_b   5.7
_cell_length_c   5.7
_cell_angle_alpha   128.47
_cell_angle_beta   128.47
_cell_angle_gamma   75.86
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrSnCl2
_chemical_formula_sum   'Sr1 Sn1 Cl2'
_cell_volume   110.28
_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  Sr3  1  0.0  0.0  0.0  1.0
  Sn  Sn2  1  0.0  0.0  0.49  1.0
  Cl  Cl0  1  0.48  0.0  0.25  1.0
  Cl  Cl1  1  0.0  0.48  0.25  1.0

data_SrSnCl2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.01
_cell_length_b   7.01
_cell_length_c   5.7
_cell_angle_alpha   90.0
_cell_angle_beta   127.93
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SrSnCl2
_chemical_formula_sum   'Sr2 Sn2 Cl4'
_cell_volume   220.55
_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
  Sr  Sr0  2  0.0  0.0  0.0  1.0
  Sn  Sn1  2  0.01  0.5  0.51  1.0
  Cl  Cl2  4  0.49  0.26  0.23  1.0

Sr Sn Cl Cl
SrSnCl2 crystallizes in the monoclinic Cm space group. Sr(1) is bonded in a distorted water-like geometry to two equivalent Sn(1) and two equivalent Cl(1) atoms. There is one shorter (2.82 Å) and one longer (2.88 Å) Sr(1)-Sn(1) bond length. Both Sr(1)-Cl(1) bond lengths are 2.15 Å. Sn(1) is bonded in a distorted see-saw-like geometry to two equivalent Sr(1) and two equivalent Cl(1) atoms. Both Sn(1)-Cl(1) bond lengths are 2.38 Å. Cl(1) is bonded in a distorted linear geometry to one Sr(1) and one Sn(1) atom.