The structure described by K3Ta2AsS11 crystallizes in the monoclinic Cc space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one S(10), one S(2), one S(5), one S(7), one S(9), and two equivalent S(11) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one As(1), one S(2), one S(3), one S(4), one S(9), and two equivalent S(8) atoms. In the third K site, K(3) is bonded in a 9-coordinate geometry to one S(1), one S(10), one S(4), one S(5), one S(7), two equivalent S(8), and two equivalent S(9) atoms. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 7-coordinate geometry to one S(1), one S(10), one S(11), one S(3), one S(4), one S(7), and one S(8) atom. In the second Ta site, Ta(2) is bonded in a 7-coordinate geometry to one S(1), one S(10), one S(2), one S(3), one S(5), one S(6), and one S(9) atom. As(1) is bonded in a 3-coordinate geometry to one K(2), one S(11), one S(2), and one S(6) atom. There are eleven inequivalent S sites. In the first S site, S(5) is bonded in a 4-coordinate geometry to one K(1), one K(3), one Ta(2), and one S(10) atom. In the second S site, S(6) is bonded in an L-shaped geometry to one Ta(2) and one As(1) atom. In the third S site, S(7) is bonded in a 4-coordinate geometry to one K(1), one K(3), one Ta(1), and one S(1) atom. In the fourth S site, S(8) is bonded in a 5-coordinate geometry to two equivalent K(2), two equivalent K(3), and one Ta(1) atom. In the fifth S site, S(9) is bonded in a distorted single-bond geometry to one K(1), one K(2), two equivalent K(3), and one Ta(2) atom. In the sixth S site, S(10) is bonded in a 5-coordinate geometry to one K(1), one K(3), one Ta(1), one Ta(2), and one S(5) atom. In the seventh S site, S(11) is bonded in a 4-coordinate geometry to two equivalent K(1), one Ta(1), and one As(1) atom. In the eighth S site, S(1) is bonded in a 4-coordinate geometry to one K(3), one Ta(1), one Ta(2), and one S(7) atom. In the ninth S site, S(2) is bonded in a distorted L-shaped geometry to one K(1), one K(2), one Ta(2), and one As(1) atom. In the tenth S site, S(3) is bonded in a 4-coordinate geometry to one K(2), one Ta(1), one Ta(2), and one S(4) atom. In the eleventh S site, S(4) is bonded in a 4-coordinate geometry to one K(2), one K(3), one Ta(1), and one S(3) atom. is represented by the CIF file [CIF]
data_K3Ta2AsS11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.734
_cell_length_b   9.734
_cell_length_c   9.663
_cell_angle_alpha   82.844
_cell_angle_beta   82.844
_cell_angle_gamma   82.556
_symmetry_Int_Tables_number   1
_cell_volume   895.308
_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  0.908  0.075  0.076  1.0
  K  K1  1  0.075  0.908  0.576  1.0
  K  K2  1  0.540  0.690  0.667  1.0
  K  K3  1  0.690  0.540  0.167  1.0
  K  K4  1  0.301  0.435  0.332  1.0
  K  K5  1  0.435  0.301  0.832  1.0
  Ta  Ta6  1  0.340  0.799  0.054  1.0
  Ta  Ta7  1  0.799  0.340  0.554  1.0
  Ta  Ta8  1  0.467  0.046  0.239  1.0
  Ta  Ta9  1  0.046  0.467  0.739  1.0
  As  As10  1  0.683  0.985  0.501  1.0
  As  As11  1  0.985  0.683  0.001  1.0
  S  S12  1  0.368  0.779  0.307  1.0
  S  S13  1  0.779  0.368  0.807  1.0
  S  S14  1  0.674  0.873  0.306  1.0
  S  S15  1  0.873  0.674  0.806  1.0
  S  S16  1  0.569  0.899  0.028  1.0
  S  S17  1  0.899  0.569  0.528  1.0
  S  S18  1  0.949  0.454  0.357  1.0
  S  S19  1  0.454  0.949  0.857  1.0
  S  S20  1  0.218  0.126  0.295  1.0
  S  S21  1  0.126  0.218  0.795  1.0
  S  S22  1  0.459  0.078  0.491  1.0
  S  S23  1  0.078  0.459  0.991  1.0
  S  S24  1  0.165  0.771  0.260  1.0
  S  S25  1  0.771  0.165  0.760  1.0
  S  S26  1  0.421  0.583  0.002  1.0
  S  S27  1  0.583  0.421  0.502  1.0
  S  S28  1  0.573  0.234  0.150  1.0
  S  S29  1  0.234  0.573  0.650  1.0
  S  S30  1  0.274  0.081  0.091  1.0
  S  S31  1  0.081  0.274  0.591  1.0
  S  S32  1  0.835  0.141  0.407  1.0
  S  S33  1  0.141  0.835  0.907  1.0
[/CIF]
.
The structure described by K3Ta2AsS11 crystallizes in the monoclinic Cc space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one S(10), one S(2), one S(5), one S(7), one S(9), and two equivalent S(11) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one As(1), one S(2), one S(3), one S(4), one S(9), and two equivalent S(8) atoms. In the third K site, K(3) is bonded in a 9-coordinate geometry to one S(1), one S(10), one S(4), one S(5), one S(7), two equivalent S(8), and two equivalent S(9) atoms. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 7-coordinate geometry to one S(1), one S(10), one S(11), one S(3), one S(4), one S(7), and one S(8) atom. In the second Ta site, Ta(2) is bonded in a 7-coordinate geometry to one S(1), one S(10), one S(2), one S(3), one S(5), one S(6), and one S(9) atom. As(1) is bonded in a 3-coordinate geometry to one K(2), one S(11), one S(2), and one S(6) atom. There are eleven inequivalent S sites. In the first S site, S(5) is bonded in a 4-coordinate geometry to one K(1), one K(3), one Ta(2), and one S(10) atom. In the second S site, S(6) is bonded in an L-shaped geometry to one Ta(2) and one As(1) atom. In the third S site, S(7) is bonded in a 4-coordinate geometry to one K(1), one K(3), one Ta(1), and one S(1) atom. In the fourth S site, S(8) is bonded in a 5-coordinate geometry to two equivalent K(2), two equivalent K(3), and one Ta(1) atom. In the fifth S site, S(9) is bonded in a distorted single-bond geometry to one K(1), one K(2), two equivalent K(3), and one Ta(2) atom. In the sixth S site, S(10) is bonded in a 5-coordinate geometry to one K(1), one K(3), one Ta(1), one Ta(2), and one S(5) atom. In the seventh S site, S(11) is bonded in a 4-coordinate geometry to two equivalent K(1), one Ta(1), and one As(1) atom. In the eighth S site, S(1) is bonded in a 4-coordinate geometry to one K(3), one Ta(1), one Ta(2), and one S(7) atom. In the ninth S site, S(2) is bonded in a distorted L-shaped geometry to one K(1), one K(2), one Ta(2), and one As(1) atom. In the tenth S site, S(3) is bonded in a 4-coordinate geometry to one K(2), one Ta(1), one Ta(2), and one S(4) atom. In the eleventh S site, S(4) is bonded in a 4-coordinate geometry to one K(2), one K(3), one Ta(1), and one S(3) atom. is represented by the CIF file [CIF]
data_K3Ta2AsS11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.734
_cell_length_b   9.734
_cell_length_c   9.663
_cell_angle_alpha   82.844
_cell_angle_beta   82.844
_cell_angle_gamma   82.556
_symmetry_Int_Tables_number   1
_cell_volume   895.308
_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  0.908  0.075  0.076  1.0
  K  K1  1  0.075  0.908  0.576  1.0
  K  K2  1  0.540  0.690  0.667  1.0
  K  K3  1  0.690  0.540  0.167  1.0
  K  K4  1  0.301  0.435  0.332  1.0
  K  K5  1  0.435  0.301  0.832  1.0
  Ta  Ta6  1  0.340  0.799  0.054  1.0
  Ta  Ta7  1  0.799  0.340  0.554  1.0
  Ta  Ta8  1  0.467  0.046  0.239  1.0
  Ta  Ta9  1  0.046  0.467  0.739  1.0
  As  As10  1  0.683  0.985  0.501  1.0
  As  As11  1  0.985  0.683  0.001  1.0
  S  S12  1  0.368  0.779  0.307  1.0
  S  S13  1  0.779  0.368  0.807  1.0
  S  S14  1  0.674  0.873  0.306  1.0
  S  S15  1  0.873  0.674  0.806  1.0
  S  S16  1  0.569  0.899  0.028  1.0
  S  S17  1  0.899  0.569  0.528  1.0
  S  S18  1  0.949  0.454  0.357  1.0
  S  S19  1  0.454  0.949  0.857  1.0
  S  S20  1  0.218  0.126  0.295  1.0
  S  S21  1  0.126  0.218  0.795  1.0
  S  S22  1  0.459  0.078  0.491  1.0
  S  S23  1  0.078  0.459  0.991  1.0
  S  S24  1  0.165  0.771  0.260  1.0
  S  S25  1  0.771  0.165  0.760  1.0
  S  S26  1  0.421  0.583  0.002  1.0
  S  S27  1  0.583  0.421  0.502  1.0
  S  S28  1  0.573  0.234  0.150  1.0
  S  S29  1  0.234  0.573  0.650  1.0
  S  S30  1  0.274  0.081  0.091  1.0
  S  S31  1  0.081  0.274  0.591  1.0
  S  S32  1  0.835  0.141  0.407  1.0
  S  S33  1  0.141  0.835  0.907  1.0
[/CIF]
.