The material described by SAs is Indium-like structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four tetraarsenic tetrasulfide molecules. There are two inequivalent As sites. In the first As site, As(1) is bonded in a distorted L-shaped geometry to one S(1) and one S(3) atom. In the second As site, As(2) is bonded in a distorted L-shaped geometry to one S(2) and one S(3) atom. There are three inequivalent S sites. In the first S site, S(1) is bonded in a water-like geometry to two equivalent As(1) atoms. In the second S site, S(2) is bonded in a water-like geometry to two equivalent As(2) atoms. In the third S site, S(3) is bonded in a water-like geometry to one As(1) and one As(2) atom. is represented by the CIF file [CIF]
data_AsS
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.979
_cell_length_b   6.979
_cell_length_c   9.220
_cell_angle_alpha   80.716
_cell_angle_beta   80.716
_cell_angle_gamma   85.054
_symmetry_Int_Tables_number   1
_cell_volume   436.513
_cell_formula_units_Z   8
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
  As  As0  1  0.789  0.202  0.940  1.0
  As  As1  1  0.798  0.211  0.560  1.0
  As  As2  1  0.211  0.798  0.060  1.0
  As  As3  1  0.202  0.789  0.440  1.0
  As  As4  1  0.439  0.245  0.866  1.0
  As  As5  1  0.755  0.561  0.634  1.0
  As  As6  1  0.561  0.755  0.134  1.0
  As  As7  1  0.245  0.439  0.366  1.0
  S  S8  1  0.942  0.058  0.750  1.0
  S  S9  1  0.058  0.942  0.250  1.0
  S  S10  1  0.447  0.553  0.750  1.0
  S  S11  1  0.553  0.447  0.250  1.0
  S  S12  1  0.502  0.113  0.657  1.0
  S  S13  1  0.887  0.498  0.843  1.0
  S  S14  1  0.498  0.887  0.343  1.0
  S  S15  1  0.113  0.502  0.157  1.0
[/CIF]
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The material described by SAs is Indium-like structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four tetraarsenic tetrasulfide molecules. There are two inequivalent As sites. In the first As site, As(1) is bonded in a distorted L-shaped geometry to one S(1) and one S(3) atom. In the second As site, As(2) is bonded in a distorted L-shaped geometry to one S(2) and one S(3) atom. There are three inequivalent S sites. In the first S site, S(1) is bonded in a water-like geometry to two equivalent As(1) atoms. In the second S site, S(2) is bonded in a water-like geometry to two equivalent As(2) atoms. In the third S site, S(3) is bonded in a water-like geometry to one As(1) and one As(2) atom. is represented by the CIF file [CIF]
data_AsS
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.979
_cell_length_b   6.979
_cell_length_c   9.220
_cell_angle_alpha   80.716
_cell_angle_beta   80.716
_cell_angle_gamma   85.054
_symmetry_Int_Tables_number   1
_cell_volume   436.513
_cell_formula_units_Z   8
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
  As  As0  1  0.789  0.202  0.940  1.0
  As  As1  1  0.798  0.211  0.560  1.0
  As  As2  1  0.211  0.798  0.060  1.0
  As  As3  1  0.202  0.789  0.440  1.0
  As  As4  1  0.439  0.245  0.866  1.0
  As  As5  1  0.755  0.561  0.634  1.0
  As  As6  1  0.561  0.755  0.134  1.0
  As  As7  1  0.245  0.439  0.366  1.0
  S  S8  1  0.942  0.058  0.750  1.0
  S  S9  1  0.058  0.942  0.250  1.0
  S  S10  1  0.447  0.553  0.750  1.0
  S  S11  1  0.553  0.447  0.250  1.0
  S  S12  1  0.502  0.113  0.657  1.0
  S  S13  1  0.887  0.498  0.843  1.0
  S  S14  1  0.498  0.887  0.343  1.0
  S  S15  1  0.113  0.502  0.157  1.0
[/CIF]
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