The material described by Sr(HgSn)2 crystallizes in the monoclinic C2/m space group. Sr(1) is bonded in a 14-coordinate geometry to three equivalent Hg(2), four equivalent Hg(1), three equivalent Sn(1), and four equivalent Sn(2) atoms. There are two inequivalent Hg sites. In the first Hg site, Hg(1) is bonded in a 8-coordinate geometry to four equivalent Sr(1), one Sn(1), and three equivalent Sn(2) atoms. In the second Hg site, Hg(2) is bonded in a 7-coordinate geometry to three equivalent Sr(1), one Sn(2), and three equivalent Sn(1) atoms. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 8-coordinate geometry to three equivalent Sr(1), one Hg(1), three equivalent Hg(2), and one Sn(1) atom. In the second Sn site, Sn(2) is bonded in a 9-coordinate geometry to four equivalent Sr(1), one Hg(2), three equivalent Hg(1), and one Sn(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr(SnHg)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.902
_cell_length_b   6.902
_cell_length_c   10.116
_cell_angle_alpha   63.920
_cell_angle_beta   63.920
_cell_angle_gamma   42.035
_symmetry_Int_Tables_number   1
_cell_volume   284.616
_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
  Sr  Sr0  1  0.175  0.175  0.284  1.0
  Sr  Sr1  1  0.825  0.825  0.716  1.0
  Sn  Sn2  1  0.125  0.125  0.942  1.0
  Sn  Sn3  1  0.875  0.875  0.058  1.0
  Sn  Sn4  1  0.439  0.439  0.410  1.0
  Sn  Sn5  1  0.561  0.561  0.590  1.0
  Hg  Hg6  1  0.156  0.156  0.642  1.0
  Hg  Hg7  1  0.844  0.844  0.358  1.0
  Hg  Hg8  1  0.391  0.391  0.908  1.0
  Hg  Hg9  1  0.609  0.609  0.092  1.0
[/CIF]
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The material described by Sr(HgSn)2 crystallizes in the monoclinic C2/m space group. Sr(1) is bonded in a 14-coordinate geometry to three equivalent Hg(2), four equivalent Hg(1), three equivalent Sn(1), and four equivalent Sn(2) atoms. There are two inequivalent Hg sites. In the first Hg site, Hg(1) is bonded in a 8-coordinate geometry to four equivalent Sr(1), one Sn(1), and three equivalent Sn(2) atoms. In the second Hg site, Hg(2) is bonded in a 7-coordinate geometry to three equivalent Sr(1), one Sn(2), and three equivalent Sn(1) atoms. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 8-coordinate geometry to three equivalent Sr(1), one Hg(1), three equivalent Hg(2), and one Sn(1) atom. In the second Sn site, Sn(2) is bonded in a 9-coordinate geometry to four equivalent Sr(1), one Hg(2), three equivalent Hg(1), and one Sn(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr(SnHg)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.902
_cell_length_b   6.902
_cell_length_c   10.116
_cell_angle_alpha   63.920
_cell_angle_beta   63.920
_cell_angle_gamma   42.035
_symmetry_Int_Tables_number   1
_cell_volume   284.616
_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
  Sr  Sr0  1  0.175  0.175  0.284  1.0
  Sr  Sr1  1  0.825  0.825  0.716  1.0
  Sn  Sn2  1  0.125  0.125  0.942  1.0
  Sn  Sn3  1  0.875  0.875  0.058  1.0
  Sn  Sn4  1  0.439  0.439  0.410  1.0
  Sn  Sn5  1  0.561  0.561  0.590  1.0
  Hg  Hg6  1  0.156  0.156  0.642  1.0
  Hg  Hg7  1  0.844  0.844  0.358  1.0
  Hg  Hg8  1  0.391  0.391  0.908  1.0
  Hg  Hg9  1  0.609  0.609  0.092  1.0
[/CIF]
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