The structure described by K2PtS15 crystallizes in the monoclinic Cc space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one S(14), one S(2), one S(4), one S(6), and two equivalent S(15) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one S(1), one S(12), one S(13), one S(3), one S(5), one S(8), and one S(9) atom. Pt(1) is bonded in an octahedral geometry to one S(11), one S(14), one S(5), one S(6), one S(8), and one S(9) atom. There are fifteen inequivalent S sites. In the first S site, S(11) is bonded in a distorted water-like geometry to one Pt(1) and one S(13) atom. In the second S site, S(12) is bonded in a distorted T-shaped geometry to one K(2), one S(14), and one S(15) atom. In the third S site, S(13) is bonded in a 3-coordinate geometry to one K(2), one S(11), and one S(15) atom. In the fourth S site, S(14) is bonded in a trigonal non-coplanar geometry to one K(1), one Pt(1), and one S(12) atom. In the fifth S site, S(15) is bonded to two equivalent K(1), one S(12), and one S(13) atom to form distorted corner-sharing SK2S2 trigonal pyramids. In the sixth S site, S(1) is bonded in a trigonal non-coplanar geometry to one K(2), one S(2), and one S(6) atom. In the seventh S site, S(2) is bonded in a 3-coordinate geometry to one K(1), one S(1), and one S(7) atom. In the eighth S site, S(3) is bonded in a trigonal non-coplanar geometry to one K(2), one S(10), and one S(4) atom. In the ninth S site, S(4) is bonded in a trigonal planar geometry to one K(1), one S(3), and one S(5) atom. In the tenth S site, S(5) is bonded in a trigonal non-coplanar geometry to one K(2), one Pt(1), and one S(4) atom. In the eleventh S site, S(6) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Pt(1), and one S(1) atom. In the twelfth S site, S(7) is bonded in a water-like geometry to one S(2) and one S(8) atom. In the thirteenth S site, S(8) is bonded in a distorted trigonal planar geometry to one K(2), one Pt(1), and one S(7) atom. In the fourteenth S site, S(9) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Pt(1), and one S(10) atom. In the fifteenth S site, S(10) is bonded in a water-like geometry to one S(3) and one S(9) atom. is represented by the CIF file [CIF]
data_K2PtS15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.099
_cell_length_b   9.099
_cell_length_c   12.592
_cell_angle_alpha   88.481
_cell_angle_beta   88.481
_cell_angle_gamma   66.239
_symmetry_Int_Tables_number   1
_cell_volume   953.723
_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
  K  K0  1  0.772  0.653  0.140  1.0
  K  K1  1  0.653  0.772  0.640  1.0
  K  K2  1  0.949  0.270  0.398  1.0
  K  K3  1  0.270  0.949  0.898  1.0
  Pt  Pt4  1  0.204  0.776  0.250  1.0
  Pt  Pt5  1  0.776  0.204  0.750  1.0
  S  S6  1  0.564  0.403  0.278  1.0
  S  S7  1  0.403  0.564  0.778  1.0
  S  S8  1  0.591  0.360  0.115  1.0
  S  S9  1  0.360  0.591  0.615  1.0
  S  S10  1  0.353  0.130  0.378  1.0
  S  S11  1  0.130  0.353  0.878  1.0
  S  S12  1  0.352  0.932  0.462  1.0
  S  S13  1  0.932  0.352  0.962  1.0
  S  S14  1  0.155  0.897  0.423  1.0
  S  S15  1  0.897  0.155  0.923  1.0
  S  S16  1  0.484  0.644  0.294  1.0
  S  S17  1  0.644  0.484  0.794  1.0
  S  S18  1  0.355  0.434  0.072  1.0
  S  S19  1  0.434  0.355  0.572  1.0
  S  S20  1  0.256  0.676  0.071  1.0
  S  S21  1  0.676  0.256  0.571  1.0
  S  S22  1  0.220  0.016  0.174  1.0
  S  S23  1  0.016  0.220  0.674  1.0
  S  S24  1  0.417  0.041  0.226  1.0
  S  S25  1  0.041  0.417  0.726  1.0
  S  S26  1  0.151  0.548  0.311  1.0
  S  S27  1  0.548  0.151  0.811  1.0
  S  S28  1  0.793  0.969  0.335  1.0
  S  S29  1  0.969  0.793  0.835  1.0
  S  S30  1  0.012  0.617  0.443  1.0
  S  S31  1  0.617  0.012  0.943  1.0
  S  S32  1  0.926  0.911  0.200  1.0
  S  S33  1  0.911  0.926  0.700  1.0
  S  S34  1  0.780  0.756  0.391  1.0
  S  S35  1  0.756  0.780  0.891  1.0
[/CIF]
.
The structure described by K2PtS15 crystallizes in the monoclinic Cc space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one S(14), one S(2), one S(4), one S(6), and two equivalent S(15) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one S(1), one S(12), one S(13), one S(3), one S(5), one S(8), and one S(9) atom. Pt(1) is bonded in an octahedral geometry to one S(11), one S(14), one S(5), one S(6), one S(8), and one S(9) atom. There are fifteen inequivalent S sites. In the first S site, S(11) is bonded in a distorted water-like geometry to one Pt(1) and one S(13) atom. In the second S site, S(12) is bonded in a distorted T-shaped geometry to one K(2), one S(14), and one S(15) atom. In the third S site, S(13) is bonded in a 3-coordinate geometry to one K(2), one S(11), and one S(15) atom. In the fourth S site, S(14) is bonded in a trigonal non-coplanar geometry to one K(1), one Pt(1), and one S(12) atom. In the fifth S site, S(15) is bonded to two equivalent K(1), one S(12), and one S(13) atom to form distorted corner-sharing SK2S2 trigonal pyramids. In the sixth S site, S(1) is bonded in a trigonal non-coplanar geometry to one K(2), one S(2), and one S(6) atom. In the seventh S site, S(2) is bonded in a 3-coordinate geometry to one K(1), one S(1), and one S(7) atom. In the eighth S site, S(3) is bonded in a trigonal non-coplanar geometry to one K(2), one S(10), and one S(4) atom. In the ninth S site, S(4) is bonded in a trigonal planar geometry to one K(1), one S(3), and one S(5) atom. In the tenth S site, S(5) is bonded in a trigonal non-coplanar geometry to one K(2), one Pt(1), and one S(4) atom. In the eleventh S site, S(6) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Pt(1), and one S(1) atom. In the twelfth S site, S(7) is bonded in a water-like geometry to one S(2) and one S(8) atom. In the thirteenth S site, S(8) is bonded in a distorted trigonal planar geometry to one K(2), one Pt(1), and one S(7) atom. In the fourteenth S site, S(9) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Pt(1), and one S(10) atom. In the fifteenth S site, S(10) is bonded in a water-like geometry to one S(3) and one S(9) atom. is represented by the CIF file [CIF]
data_K2PtS15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.099
_cell_length_b   9.099
_cell_length_c   12.592
_cell_angle_alpha   88.481
_cell_angle_beta   88.481
_cell_angle_gamma   66.239
_symmetry_Int_Tables_number   1
_cell_volume   953.723
_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
  K  K0  1  0.772  0.653  0.140  1.0
  K  K1  1  0.653  0.772  0.640  1.0
  K  K2  1  0.949  0.270  0.398  1.0
  K  K3  1  0.270  0.949  0.898  1.0
  Pt  Pt4  1  0.204  0.776  0.250  1.0
  Pt  Pt5  1  0.776  0.204  0.750  1.0
  S  S6  1  0.564  0.403  0.278  1.0
  S  S7  1  0.403  0.564  0.778  1.0
  S  S8  1  0.591  0.360  0.115  1.0
  S  S9  1  0.360  0.591  0.615  1.0
  S  S10  1  0.353  0.130  0.378  1.0
  S  S11  1  0.130  0.353  0.878  1.0
  S  S12  1  0.352  0.932  0.462  1.0
  S  S13  1  0.932  0.352  0.962  1.0
  S  S14  1  0.155  0.897  0.423  1.0
  S  S15  1  0.897  0.155  0.923  1.0
  S  S16  1  0.484  0.644  0.294  1.0
  S  S17  1  0.644  0.484  0.794  1.0
  S  S18  1  0.355  0.434  0.072  1.0
  S  S19  1  0.434  0.355  0.572  1.0
  S  S20  1  0.256  0.676  0.071  1.0
  S  S21  1  0.676  0.256  0.571  1.0
  S  S22  1  0.220  0.016  0.174  1.0
  S  S23  1  0.016  0.220  0.674  1.0
  S  S24  1  0.417  0.041  0.226  1.0
  S  S25  1  0.041  0.417  0.726  1.0
  S  S26  1  0.151  0.548  0.311  1.0
  S  S27  1  0.548  0.151  0.811  1.0
  S  S28  1  0.793  0.969  0.335  1.0
  S  S29  1  0.969  0.793  0.835  1.0
  S  S30  1  0.012  0.617  0.443  1.0
  S  S31  1  0.617  0.012  0.943  1.0
  S  S32  1  0.926  0.911  0.200  1.0
  S  S33  1  0.911  0.926  0.700  1.0
  S  S34  1  0.780  0.756  0.391  1.0
  S  S35  1  0.756  0.780  0.891  1.0
[/CIF]
.