The structure described by Rb3Ta2AsS11 crystallizes in the monoclinic Cc space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to one As(1), one S(10), one S(5), one S(6), two equivalent S(3), and two equivalent S(4) atoms. In the second Rb site, Rb(2) is bonded in a 10-coordinate geometry to one S(1), one S(11), one S(2), one S(5), one S(7), one S(8), two equivalent S(3), and two equivalent S(6) atoms. In the third Rb site, Rb(3) is bonded in a 7-coordinate geometry to one S(11), one S(2), one S(4), one S(6), one 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(2), one S(3), one S(5), and one S(9) atom. In the second Ta site, Ta(2) is bonded in a 7-coordinate geometry to one S(1), one S(10), one S(11), one S(4), one S(6), one S(7), and one S(8) atom. As(1) is bonded in a 3-coordinate geometry to one Rb(1), one S(4), one S(7), and one S(9) atom. There are eleven inequivalent S sites. In the first S site, S(5) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Ta(1), and one S(10) atom. In the second S site, S(6) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), two equivalent Rb(2), and one Ta(2) atom. In the third S site, S(7) is bonded in an L-shaped geometry to one Rb(2), one Ta(2), and one As(1) atom. In the fourth S site, S(8) is bonded in a 4-coordinate geometry to one Rb(2), one Rb(3), one Ta(2), and one S(11) atom. In the fifth S site, S(9) is bonded in a 4-coordinate geometry to two equivalent Rb(3), one Ta(1), and one As(1) atom. In the sixth S site, S(10) is bonded in a 2-coordinate geometry to one Rb(1), one Ta(1), one Ta(2), and one S(5) atom. In the seventh S site, S(11) is bonded in a 5-coordinate geometry to one Rb(2), one Rb(3), one Ta(1), one Ta(2), and one S(8) atom. In the eighth S site, S(1) is bonded in a 4-coordinate geometry to one Rb(2), one Ta(1), one Ta(2), and one S(2) atom. In the ninth S site, S(2) is bonded in a 4-coordinate geometry to one Rb(2), one Rb(3), one Ta(1), and one S(1) atom. In the tenth S site, S(3) is bonded in a 5-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), and one Ta(1) atom. In the eleventh S site, S(4) is bonded in a distorted L-shaped geometry to one Rb(3), two equivalent Rb(1), one Ta(2), and one As(1) atom. is represented by the CIF file [CIF]
data_Rb3Ta2AsS11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.937
_cell_length_b   9.937
_cell_length_c   9.795
_cell_angle_alpha   83.601
_cell_angle_beta   83.601
_cell_angle_gamma   83.705
_symmetry_Int_Tables_number   1
_cell_volume   950.435
_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
  Rb  Rb0  1  0.306  0.461  0.340  1.0
  Rb  Rb1  1  0.461  0.306  0.840  1.0
  Rb  Rb2  1  0.567  0.700  0.670  1.0
  Rb  Rb3  1  0.700  0.567  0.170  1.0
  Rb  Rb4  1  0.933  0.095  0.927  1.0
  Rb  Rb5  1  0.095  0.933  0.427  1.0
  Ta  Ta6  1  0.202  0.662  0.946  1.0
  Ta  Ta7  1  0.662  0.202  0.446  1.0
  Ta  Ta8  1  0.955  0.538  0.761  1.0
  Ta  Ta9  1  0.538  0.955  0.261  1.0
  As  As10  1  0.006  0.324  0.503  1.0
  As  As11  1  0.324  0.006  0.003  1.0
  S  S12  1  0.219  0.636  0.696  1.0
  S  S13  1  0.636  0.219  0.196  1.0
  S  S14  1  0.231  0.834  0.747  1.0
  S  S15  1  0.834  0.231  0.247  1.0
  S  S16  1  0.412  0.584  0.999  1.0
  S  S17  1  0.584  0.412  0.499  1.0
  S  S18  1  0.121  0.336  0.693  1.0
  S  S19  1  0.336  0.121  0.193  1.0
  S  S20  1  0.553  0.053  0.638  1.0
  S  S21  1  0.053  0.553  0.138  1.0
  S  S22  1  0.771  0.436  0.849  1.0
  S  S23  1  0.436  0.771  0.349  1.0
  S  S24  1  0.919  0.543  0.513  1.0
  S  S25  1  0.543  0.919  0.013  1.0
  S  S26  1  0.882  0.782  0.707  1.0
  S  S27  1  0.782  0.882  0.207  1.0
  S  S28  1  0.854  0.173  0.596  1.0
  S  S29  1  0.173  0.854  0.096  1.0
  S  S30  1  0.098  0.439  0.969  1.0
  S  S31  1  0.439  0.098  0.469  1.0
  S  S32  1  0.926  0.728  0.908  1.0
  S  S33  1  0.728  0.926  0.408  1.0
[/CIF]
.
The structure described by Rb3Ta2AsS11 crystallizes in the monoclinic Cc space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to one As(1), one S(10), one S(5), one S(6), two equivalent S(3), and two equivalent S(4) atoms. In the second Rb site, Rb(2) is bonded in a 10-coordinate geometry to one S(1), one S(11), one S(2), one S(5), one S(7), one S(8), two equivalent S(3), and two equivalent S(6) atoms. In the third Rb site, Rb(3) is bonded in a 7-coordinate geometry to one S(11), one S(2), one S(4), one S(6), one 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(2), one S(3), one S(5), and one S(9) atom. In the second Ta site, Ta(2) is bonded in a 7-coordinate geometry to one S(1), one S(10), one S(11), one S(4), one S(6), one S(7), and one S(8) atom. As(1) is bonded in a 3-coordinate geometry to one Rb(1), one S(4), one S(7), and one S(9) atom. There are eleven inequivalent S sites. In the first S site, S(5) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Ta(1), and one S(10) atom. In the second S site, S(6) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), two equivalent Rb(2), and one Ta(2) atom. In the third S site, S(7) is bonded in an L-shaped geometry to one Rb(2), one Ta(2), and one As(1) atom. In the fourth S site, S(8) is bonded in a 4-coordinate geometry to one Rb(2), one Rb(3), one Ta(2), and one S(11) atom. In the fifth S site, S(9) is bonded in a 4-coordinate geometry to two equivalent Rb(3), one Ta(1), and one As(1) atom. In the sixth S site, S(10) is bonded in a 2-coordinate geometry to one Rb(1), one Ta(1), one Ta(2), and one S(5) atom. In the seventh S site, S(11) is bonded in a 5-coordinate geometry to one Rb(2), one Rb(3), one Ta(1), one Ta(2), and one S(8) atom. In the eighth S site, S(1) is bonded in a 4-coordinate geometry to one Rb(2), one Ta(1), one Ta(2), and one S(2) atom. In the ninth S site, S(2) is bonded in a 4-coordinate geometry to one Rb(2), one Rb(3), one Ta(1), and one S(1) atom. In the tenth S site, S(3) is bonded in a 5-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), and one Ta(1) atom. In the eleventh S site, S(4) is bonded in a distorted L-shaped geometry to one Rb(3), two equivalent Rb(1), one Ta(2), and one As(1) atom. is represented by the CIF file [CIF]
data_Rb3Ta2AsS11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.937
_cell_length_b   9.937
_cell_length_c   9.795
_cell_angle_alpha   83.601
_cell_angle_beta   83.601
_cell_angle_gamma   83.705
_symmetry_Int_Tables_number   1
_cell_volume   950.435
_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
  Rb  Rb0  1  0.306  0.461  0.340  1.0
  Rb  Rb1  1  0.461  0.306  0.840  1.0
  Rb  Rb2  1  0.567  0.700  0.670  1.0
  Rb  Rb3  1  0.700  0.567  0.170  1.0
  Rb  Rb4  1  0.933  0.095  0.927  1.0
  Rb  Rb5  1  0.095  0.933  0.427  1.0
  Ta  Ta6  1  0.202  0.662  0.946  1.0
  Ta  Ta7  1  0.662  0.202  0.446  1.0
  Ta  Ta8  1  0.955  0.538  0.761  1.0
  Ta  Ta9  1  0.538  0.955  0.261  1.0
  As  As10  1  0.006  0.324  0.503  1.0
  As  As11  1  0.324  0.006  0.003  1.0
  S  S12  1  0.219  0.636  0.696  1.0
  S  S13  1  0.636  0.219  0.196  1.0
  S  S14  1  0.231  0.834  0.747  1.0
  S  S15  1  0.834  0.231  0.247  1.0
  S  S16  1  0.412  0.584  0.999  1.0
  S  S17  1  0.584  0.412  0.499  1.0
  S  S18  1  0.121  0.336  0.693  1.0
  S  S19  1  0.336  0.121  0.193  1.0
  S  S20  1  0.553  0.053  0.638  1.0
  S  S21  1  0.053  0.553  0.138  1.0
  S  S22  1  0.771  0.436  0.849  1.0
  S  S23  1  0.436  0.771  0.349  1.0
  S  S24  1  0.919  0.543  0.513  1.0
  S  S25  1  0.543  0.919  0.013  1.0
  S  S26  1  0.882  0.782  0.707  1.0
  S  S27  1  0.782  0.882  0.207  1.0
  S  S28  1  0.854  0.173  0.596  1.0
  S  S29  1  0.173  0.854  0.096  1.0
  S  S30  1  0.098  0.439  0.969  1.0
  S  S31  1  0.439  0.098  0.469  1.0
  S  S32  1  0.926  0.728  0.908  1.0
  S  S33  1  0.728  0.926  0.408  1.0
[/CIF]
.