The crystal structure described by Rb5Tc3S7 crystallizes in the monoclinic Cm space group. There are seven inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to one S(1), one S(10), two equivalent S(2), and two equivalent S(6) atoms to form RbS6 octahedra that share  a cornercorner with one Tc(2)S5 square pyramid,  a cornercorner with one Tc(4)S5 square pyramid, corners with two equivalent Tc(1)S5 square pyramids, and corners with two equivalent Tc(3)S5 square pyramids. In the second Rb site, Rb(2) is bonded in a 6-coordinate geometry to one S(1), one S(3), one S(4), one S(6), one S(8), and one S(9) atom. In the third Rb site, Rb(3) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(4), one S(5), one S(7), and one S(8) atom. In the fourth Rb site, Rb(4) is bonded in a 6-coordinate geometry to one S(10), one S(9), two equivalent S(2), and two equivalent S(4) atoms. In the fifth Rb site, Rb(5) is bonded in a 6-coordinate geometry to one S(10), one S(5), two equivalent S(4), and two equivalent S(6) atoms. In the sixth Rb site, Rb(6) is bonded in a 8-coordinate geometry to two equivalent S(2), two equivalent S(4), two equivalent S(6), and two equivalent S(8) atoms. In the seventh Rb site, Rb(7) is bonded in a 5-coordinate geometry to one S(10), one S(2), one S(3), one S(6), and one S(7) atom. There are four inequivalent Tc sites. In the first Tc site, Tc(1) is bonded to one S(2), one S(3), one S(4), one S(5), and one S(8) atom to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra,  an edgeedge with one Tc(1)S5 square pyramid,  an edgeedge with one Tc(2)S5 square pyramid,  an edgeedge with one Tc(3)S5 square pyramid, and  an edgeedge with one Tc(4)S5 square pyramid. The corner-sharing octahedral tilt angles are 8°. In the second Tc site, Tc(2) is bonded to one S(1), one S(3), one S(7), and two equivalent S(4) atoms to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra, edges with two equivalent Tc(1)S5 square pyramids, and edges with two equivalent Tc(3)S5 square pyramids. The corner-sharing octahedral tilt angles are 1°. In the third Tc site, Tc(3) is bonded to one S(4), one S(6), one S(7), one S(8), and one S(9) atom to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra,  an edgeedge with one Tc(1)S5 square pyramid,  an edgeedge with one Tc(2)S5 square pyramid,  an edgeedge with one Tc(3)S5 square pyramid, and  an edgeedge with one Tc(4)S5 square pyramid. The corner-sharing octahedral tilt angles are 9°. In the fourth Tc site, Tc(4) is bonded to one S(10), one S(5), one S(9), and two equivalent S(8) atoms to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra, edges with two equivalent Tc(1)S5 square pyramids, and edges with two equivalent Tc(3)S5 square pyramids. The corner-sharing octahedral tilt angles are 1°. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Rb(1), two equivalent Rb(2), two equivalent Rb(3), and one Tc(2) atom to form corner-sharing SRb5Tc octahedra. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(3), one Rb(4), one Rb(6), one Rb(7), and one Tc(1) atom. In the third S site, S(3) is bonded in a 7-coordinate geometry to two equivalent Rb(2), two equivalent Rb(7), one Tc(2), and two equivalent Tc(1) atoms. In the fourth S site, S(4) is bonded in a 8-coordinate geometry to one Rb(2), one Rb(3), one Rb(4), one Rb(5), one Rb(6), one Tc(1), one Tc(2), and one Tc(3) atom. In the fifth S site, S(5) is bonded in a 6-coordinate geometry to one Rb(5), two equivalent Rb(3), one Tc(4), and two equivalent Tc(1) atoms. In the sixth S site, S(6) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Rb(5), one Rb(6), one Rb(7), and one Tc(3) atom. In the seventh S site, S(7) is bonded in a 7-coordinate geometry to two equivalent Rb(3), two equivalent Rb(7), one Tc(2), and two equivalent Tc(3) atoms. In the eighth S site, S(8) is bonded to one Rb(2), one Rb(3), one Rb(6), one Tc(1), one Tc(3), and one Tc(4) atom to form distorted SRb3Tc3 pentagonal pyramids that share corners with two equivalent S(1)Rb5Tc octahedra and corners with two equivalent S(8)Rb3Tc3 pentagonal pyramids. The corner-sharing octahedral tilt angles range from 37-38°. In the ninth S site, S(9) is bonded in a 6-coordinate geometry to one Rb(4), two equivalent Rb(2), one Tc(4), and two equivalent Tc(3) atoms. In the tenth S site, S(10) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(4), one Rb(5), two equivalent Rb(7), and one Tc(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb5Tc3S7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.655
_cell_length_b   10.655
_cell_length_c   10.847
_cell_angle_alpha   59.424
_cell_angle_beta   59.424
_cell_angle_gamma   59.634
_symmetry_Int_Tables_number   1
_cell_volume   860.745
_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  0.008  0.008  0.990  1.0
  Rb  Rb1  1  0.418  0.994  0.004  1.0
  Rb  Rb2  1  0.416  0.997  0.580  1.0
  Rb  Rb3  1  0.844  0.844  0.870  1.0
  Rb  Rb4  1  0.840  0.840  0.436  1.0
  Rb  Rb5  1  0.997  0.416  0.580  1.0
  Rb  Rb6  1  0.025  0.025  0.466  1.0
  Rb  Rb7  1  0.994  0.418  0.004  1.0
  Rb  Rb8  1  0.195  0.579  0.111  1.0
  Rb  Rb9  1  0.579  0.195  0.111  1.0
  Tc  Tc10  1  0.374  0.623  0.620  1.0
  Tc  Tc11  1  0.375  0.375  0.623  1.0
  Tc  Tc12  1  0.374  0.622  0.380  1.0
  Tc  Tc13  1  0.623  0.374  0.620  1.0
  Tc  Tc14  1  0.622  0.622  0.376  1.0
  Tc  Tc15  1  0.622  0.374  0.380  1.0
  S  S16  1  0.214  0.214  0.786  1.0
  S  S17  1  0.201  0.791  0.771  1.0
  S  S18  1  0.386  0.386  0.836  1.0
  S  S19  1  0.156  0.611  0.615  1.0
  S  S20  1  0.611  0.611  0.609  1.0
  S  S21  1  0.199  0.790  0.235  1.0
  S  S22  1  0.385  0.385  0.390  1.0
  S  S23  1  0.390  0.839  0.383  1.0
  S  S24  1  0.611  0.156  0.615  1.0
  S  S25  1  0.791  0.201  0.771  1.0
  S  S26  1  0.839  0.390  0.383  1.0
  S  S27  1  0.610  0.610  0.164  1.0
  S  S28  1  0.786  0.786  0.209  1.0
  S  S29  1  0.790  0.199  0.235  1.0
[/CIF]
.
The crystal structure described by Rb5Tc3S7 crystallizes in the monoclinic Cm space group. There are seven inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to one S(1), one S(10), two equivalent S(2), and two equivalent S(6) atoms to form RbS6 octahedra that share  a cornercorner with one Tc(2)S5 square pyramid,  a cornercorner with one Tc(4)S5 square pyramid, corners with two equivalent Tc(1)S5 square pyramids, and corners with two equivalent Tc(3)S5 square pyramids. In the second Rb site, Rb(2) is bonded in a 6-coordinate geometry to one S(1), one S(3), one S(4), one S(6), one S(8), and one S(9) atom. In the third Rb site, Rb(3) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(4), one S(5), one S(7), and one S(8) atom. In the fourth Rb site, Rb(4) is bonded in a 6-coordinate geometry to one S(10), one S(9), two equivalent S(2), and two equivalent S(4) atoms. In the fifth Rb site, Rb(5) is bonded in a 6-coordinate geometry to one S(10), one S(5), two equivalent S(4), and two equivalent S(6) atoms. In the sixth Rb site, Rb(6) is bonded in a 8-coordinate geometry to two equivalent S(2), two equivalent S(4), two equivalent S(6), and two equivalent S(8) atoms. In the seventh Rb site, Rb(7) is bonded in a 5-coordinate geometry to one S(10), one S(2), one S(3), one S(6), and one S(7) atom. There are four inequivalent Tc sites. In the first Tc site, Tc(1) is bonded to one S(2), one S(3), one S(4), one S(5), and one S(8) atom to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra,  an edgeedge with one Tc(1)S5 square pyramid,  an edgeedge with one Tc(2)S5 square pyramid,  an edgeedge with one Tc(3)S5 square pyramid, and  an edgeedge with one Tc(4)S5 square pyramid. The corner-sharing octahedral tilt angles are 8°. In the second Tc site, Tc(2) is bonded to one S(1), one S(3), one S(7), and two equivalent S(4) atoms to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra, edges with two equivalent Tc(1)S5 square pyramids, and edges with two equivalent Tc(3)S5 square pyramids. The corner-sharing octahedral tilt angles are 1°. In the third Tc site, Tc(3) is bonded to one S(4), one S(6), one S(7), one S(8), and one S(9) atom to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra,  an edgeedge with one Tc(1)S5 square pyramid,  an edgeedge with one Tc(2)S5 square pyramid,  an edgeedge with one Tc(3)S5 square pyramid, and  an edgeedge with one Tc(4)S5 square pyramid. The corner-sharing octahedral tilt angles are 9°. In the fourth Tc site, Tc(4) is bonded to one S(10), one S(5), one S(9), and two equivalent S(8) atoms to form TcS5 square pyramids that share  a cornercorner with one Rb(1)S6 octahedra, edges with two equivalent Tc(1)S5 square pyramids, and edges with two equivalent Tc(3)S5 square pyramids. The corner-sharing octahedral tilt angles are 1°. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Rb(1), two equivalent Rb(2), two equivalent Rb(3), and one Tc(2) atom to form corner-sharing SRb5Tc octahedra. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(3), one Rb(4), one Rb(6), one Rb(7), and one Tc(1) atom. In the third S site, S(3) is bonded in a 7-coordinate geometry to two equivalent Rb(2), two equivalent Rb(7), one Tc(2), and two equivalent Tc(1) atoms. In the fourth S site, S(4) is bonded in a 8-coordinate geometry to one Rb(2), one Rb(3), one Rb(4), one Rb(5), one Rb(6), one Tc(1), one Tc(2), and one Tc(3) atom. In the fifth S site, S(5) is bonded in a 6-coordinate geometry to one Rb(5), two equivalent Rb(3), one Tc(4), and two equivalent Tc(1) atoms. In the sixth S site, S(6) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Rb(5), one Rb(6), one Rb(7), and one Tc(3) atom. In the seventh S site, S(7) is bonded in a 7-coordinate geometry to two equivalent Rb(3), two equivalent Rb(7), one Tc(2), and two equivalent Tc(3) atoms. In the eighth S site, S(8) is bonded to one Rb(2), one Rb(3), one Rb(6), one Tc(1), one Tc(3), and one Tc(4) atom to form distorted SRb3Tc3 pentagonal pyramids that share corners with two equivalent S(1)Rb5Tc octahedra and corners with two equivalent S(8)Rb3Tc3 pentagonal pyramids. The corner-sharing octahedral tilt angles range from 37-38°. In the ninth S site, S(9) is bonded in a 6-coordinate geometry to one Rb(4), two equivalent Rb(2), one Tc(4), and two equivalent Tc(3) atoms. In the tenth S site, S(10) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(4), one Rb(5), two equivalent Rb(7), and one Tc(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb5Tc3S7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.655
_cell_length_b   10.655
_cell_length_c   10.847
_cell_angle_alpha   59.424
_cell_angle_beta   59.424
_cell_angle_gamma   59.634
_symmetry_Int_Tables_number   1
_cell_volume   860.745
_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  0.008  0.008  0.990  1.0
  Rb  Rb1  1  0.418  0.994  0.004  1.0
  Rb  Rb2  1  0.416  0.997  0.580  1.0
  Rb  Rb3  1  0.844  0.844  0.870  1.0
  Rb  Rb4  1  0.840  0.840  0.436  1.0
  Rb  Rb5  1  0.997  0.416  0.580  1.0
  Rb  Rb6  1  0.025  0.025  0.466  1.0
  Rb  Rb7  1  0.994  0.418  0.004  1.0
  Rb  Rb8  1  0.195  0.579  0.111  1.0
  Rb  Rb9  1  0.579  0.195  0.111  1.0
  Tc  Tc10  1  0.374  0.623  0.620  1.0
  Tc  Tc11  1  0.375  0.375  0.623  1.0
  Tc  Tc12  1  0.374  0.622  0.380  1.0
  Tc  Tc13  1  0.623  0.374  0.620  1.0
  Tc  Tc14  1  0.622  0.622  0.376  1.0
  Tc  Tc15  1  0.622  0.374  0.380  1.0
  S  S16  1  0.214  0.214  0.786  1.0
  S  S17  1  0.201  0.791  0.771  1.0
  S  S18  1  0.386  0.386  0.836  1.0
  S  S19  1  0.156  0.611  0.615  1.0
  S  S20  1  0.611  0.611  0.609  1.0
  S  S21  1  0.199  0.790  0.235  1.0
  S  S22  1  0.385  0.385  0.390  1.0
  S  S23  1  0.390  0.839  0.383  1.0
  S  S24  1  0.611  0.156  0.615  1.0
  S  S25  1  0.791  0.201  0.771  1.0
  S  S26  1  0.839  0.390  0.383  1.0
  S  S27  1  0.610  0.610  0.164  1.0
  S  S28  1  0.786  0.786  0.209  1.0
  S  S29  1  0.790  0.199  0.235  1.0
[/CIF]
.