The compound described by TaCr3(AgS4)2 crystallizes in the triclinic P1 space group. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one S(1), one S(13), one S(3), one S(5), one S(7), and one S(9) atom to form TaS6 octahedra that share  a cornercorner with one Ag(1)S6 pentagonal pyramid, corners with two equivalent Ag(2)S6 pentagonal pyramids, edges with two equivalent Cr(2)S6 octahedra, edges with two equivalent Cr(4)S6 octahedra, edges with two equivalent Cr(6)S6 octahedra, and  an edgeedge with one Ag(1)S6 pentagonal pyramid. In the second Ta site, Ta(2) is bonded to one S(10), one S(12), one S(14), one S(16), one S(4), and one S(8) atom to form TaS6 octahedra that share edges with two equivalent Cr(1)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(5)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. There are six inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(10), one S(14), one S(2), one S(4), one S(6), and one S(8) atom to form CrS6 octahedra that share  a cornercorner with one Ag(1)S6 pentagonal pyramid, corners with two equivalent Ag(2)S6 pentagonal pyramids, edges with two equivalent Ta(2)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(5)S6 octahedra, and  an edgeedge with one Ag(1)S6 pentagonal pyramid. In the second Cr site, Cr(2) is bonded to one S(1), one S(11), one S(15), one S(3), one S(5), and one S(7) atom to form CrS6 octahedra that share  a cornercorner with one Ag(2)S6 pentagonal pyramid, corners with two equivalent Ag(1)S6 pentagonal pyramids, edges with two equivalent Ta(1)S6 octahedra, edges with two equivalent Cr(4)S6 octahedra, edges with two equivalent Cr(6)S6 octahedra, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the third Cr site, Cr(3) is bonded to one S(12), one S(16), one S(2), one S(4), one S(6), and one S(8) atom to form CrS6 octahedra that share  a cornercorner with one Ag(2)S6 pentagonal pyramid, corners with two equivalent Ag(1)S6 pentagonal pyramids, edges with two equivalent Ta(2)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with two equivalent Cr(5)S6 octahedra, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the fourth Cr site, Cr(4) is bonded to one S(1), one S(11), one S(13), one S(15), one S(5), and one S(9) atom to form CrS6 octahedra that share edges with two equivalent Ta(1)S6 octahedra, edges with two equivalent Cr(2)S6 octahedra, edges with two equivalent Cr(6)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the fifth Cr site, Cr(5) is bonded to one S(10), one S(12), one S(14), one S(16), one S(2), and one S(6) atom to form CrS6 octahedra that share edges with two equivalent Ta(2)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the sixth Cr site, Cr(6) is bonded to one S(11), one S(13), one S(15), one S(3), one S(7), and one S(9) atom to form CrS6 octahedra that share edges with two equivalent Ta(1)S6 octahedra, edges with two equivalent Cr(2)S6 octahedra, edges with two equivalent Cr(4)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(10), one S(3), one S(4), one S(5), one S(6), and one S(9) atom to form distorted AgS6 pentagonal pyramids that share  a cornercorner with one Ta(1)S6 octahedra,  a cornercorner with one Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra,  an edgeedge with one Ta(1)S6 octahedra,  an edgeedge with one Ta(2)S6 octahedra,  an edgeedge with one Cr(1)S6 octahedra,  an edgeedge with one Cr(4)S6 octahedra,  an edgeedge with one Cr(5)S6 octahedra, and  an edgeedge with one Cr(6)S6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. In the second Ag site, Ag(2) is bonded to one S(1), one S(11), one S(12), one S(2), one S(7), and one S(8) atom to form distorted AgS6 pentagonal pyramids that share  a cornercorner with one Cr(2)S6 octahedra,  a cornercorner with one Cr(3)S6 octahedra, corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(1)S6 octahedra,  an edgeedge with one Ta(2)S6 octahedra,  an edgeedge with one Cr(2)S6 octahedra,  an edgeedge with one Cr(3)S6 octahedra,  an edgeedge with one Cr(4)S6 octahedra,  an edgeedge with one Cr(5)S6 octahedra, and  an edgeedge with one Cr(6)S6 octahedra. The corner-sharing octahedral tilt angles range from 6-18°. In the third Ag site, Ag(3) is bonded in a 6-coordinate geometry to one S(1), one S(13), one S(14), one S(2), one S(7), and one S(8) atom. In the fourth Ag site, Ag(4) is bonded in a 6-coordinate geometry to one S(15), one S(16), one S(3), one S(4), one S(5), and one S(6) atom. There are sixteen inequivalent S sites. In the first S site, S(1) is bonded to one Ta(1), one Cr(2), one Cr(4), one Ag(2), and one Ag(3) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(5)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(2)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(3)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(5)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(8)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(7)TaCr2Ag2 trigonal bipyramids. In the second S site, S(2) is bonded to one Cr(1), one Cr(3), one Cr(5), one Ag(2), and one Ag(3) atom to form distorted SCr3Ag2 trigonal bipyramids that share  a cornercorner with one S(6)Cr3Ag2 trigonal bipyramid, corners with two equivalent S(1)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(4)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(6)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(7)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(8)TaCr2Ag2 trigonal bipyramids. In the third S site, S(3) is bonded to one Ta(1), one Cr(2), one Cr(6), one Ag(1), and one Ag(4) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(7)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(1)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(4)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(6)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(7)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(5)TaCr2Ag2 trigonal bipyramids. In the fourth S site, S(4) is bonded to one Ta(2), one Cr(1), one Cr(3), one Ag(1), and one Ag(4) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(8)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(2)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(3)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(5)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(8)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(6)Cr3Ag2 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Ta(1), one Cr(2), one Cr(4), one Ag(1), and one Ag(4) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(1)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(6)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(7)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(1)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(4)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(3)TaCr2Ag2 trigonal bipyramids. In the sixth S site, S(6) is bonded to one Cr(1), one Cr(3), one Cr(5), one Ag(1), and one Ag(4) atom to form distorted SCr3Ag2 trigonal bipyramids that share  a cornercorner with one S(2)Cr3Ag2 trigonal bipyramid, corners with two equivalent S(5)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(8)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(2)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(3)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(4)TaCr2Ag2 trigonal bipyramids. In the seventh S site, S(7) is bonded to one Ta(1), one Cr(2), one Cr(6), one Ag(2), and one Ag(3) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(3)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(5)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(8)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(2)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(3)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(1)TaCr2Ag2 trigonal bipyramids. In the eighth S site, S(8) is bonded to one Ta(2), one Cr(1), one Cr(3), one Ag(2), and one Ag(3) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(4)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(6)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(7)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(1)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(4)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(2)Cr3Ag2 trigonal bipyramids. In the ninth S site, S(9) is bonded in a rectangular see-saw-like geometry to one Ta(1), one Cr(4), one Cr(6), and one Ag(1) atom. In the tenth S site, S(10) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(1), one Cr(5), and one Ag(1) atom. In the eleventh S site, S(11) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(4), one Cr(6), and one Ag(2) atom. In the twelfth S site, S(12) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(3), one Cr(5), and one Ag(2) atom. In the thirteenth S site, S(13) is bonded in a rectangular see-saw-like geometry to one Ta(1), one Cr(4), one Cr(6), and one Ag(3) atom. In the fourteenth S site, S(14) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(1), one Cr(5), and one Ag(3) atom. In the fifteenth S site, S(15) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(4), one Cr(6), and one Ag(4) atom. In the sixteenth S site, S(16) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(3), one Cr(5), and one Ag(4) atom. is represented by the CIF card [CIF]
data_TaCr3(AgS4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.006
_cell_length_b   6.937
_cell_length_c   13.281
_cell_angle_alpha   90.607
_cell_angle_beta   90.434
_cell_angle_gamma   90.198
_symmetry_Int_Tables_number   1
_cell_volume   553.230
_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
  Ta  Ta0  1  0.983  0.007  0.253  1.0
  Ta  Ta1  1  0.496  0.261  0.750  1.0
  Cr  Cr2  1  1.000  0.002  0.750  1.0
  Cr  Cr3  1  0.007  0.498  0.250  1.0
  Cr  Cr4  1  0.999  0.499  0.749  1.0
  Cr  Cr5  1  0.505  0.249  0.249  1.0
  Cr  Cr6  1  0.499  0.746  0.749  1.0
  Cr  Cr7  1  0.506  0.750  0.249  1.0
  Ag  Ag8  1  0.348  0.983  0.996  1.0
  Ag  Ag9  1  0.636  0.515  0.502  1.0
  Ag  Ag10  1  0.035  0.989  0.501  1.0
  Ag  Ag11  1  0.964  0.508  0.004  1.0
  S  S12  1  0.832  0.259  0.359  1.0
  S  S13  1  0.831  0.744  0.650  1.0
  S  S14  1  0.171  0.747  0.147  1.0
  S  S15  1  0.163  0.251  0.857  1.0
  S  S16  1  0.174  0.247  0.146  1.0
  S  S17  1  0.167  0.755  0.849  1.0
  S  S18  1  0.836  0.742  0.356  1.0
  S  S19  1  0.835  0.251  0.644  1.0
  S  S20  1  0.662  0.999  0.142  1.0
  S  S21  1  0.665  0.996  0.850  1.0
  S  S22  1  0.347  0.500  0.346  1.0
  S  S23  1  0.325  0.502  0.643  1.0
  S  S24  1  0.337  0.001  0.351  1.0
  S  S25  1  0.332  0.993  0.648  1.0
  S  S26  1  0.673  0.498  0.153  1.0
  S  S27  1  0.672  0.506  0.855  1.0
[/CIF]
.
The compound described by TaCr3(AgS4)2 crystallizes in the triclinic P1 space group. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one S(1), one S(13), one S(3), one S(5), one S(7), and one S(9) atom to form TaS6 octahedra that share  a cornercorner with one Ag(1)S6 pentagonal pyramid, corners with two equivalent Ag(2)S6 pentagonal pyramids, edges with two equivalent Cr(2)S6 octahedra, edges with two equivalent Cr(4)S6 octahedra, edges with two equivalent Cr(6)S6 octahedra, and  an edgeedge with one Ag(1)S6 pentagonal pyramid. In the second Ta site, Ta(2) is bonded to one S(10), one S(12), one S(14), one S(16), one S(4), and one S(8) atom to form TaS6 octahedra that share edges with two equivalent Cr(1)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(5)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. There are six inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(10), one S(14), one S(2), one S(4), one S(6), and one S(8) atom to form CrS6 octahedra that share  a cornercorner with one Ag(1)S6 pentagonal pyramid, corners with two equivalent Ag(2)S6 pentagonal pyramids, edges with two equivalent Ta(2)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(5)S6 octahedra, and  an edgeedge with one Ag(1)S6 pentagonal pyramid. In the second Cr site, Cr(2) is bonded to one S(1), one S(11), one S(15), one S(3), one S(5), and one S(7) atom to form CrS6 octahedra that share  a cornercorner with one Ag(2)S6 pentagonal pyramid, corners with two equivalent Ag(1)S6 pentagonal pyramids, edges with two equivalent Ta(1)S6 octahedra, edges with two equivalent Cr(4)S6 octahedra, edges with two equivalent Cr(6)S6 octahedra, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the third Cr site, Cr(3) is bonded to one S(12), one S(16), one S(2), one S(4), one S(6), and one S(8) atom to form CrS6 octahedra that share  a cornercorner with one Ag(2)S6 pentagonal pyramid, corners with two equivalent Ag(1)S6 pentagonal pyramids, edges with two equivalent Ta(2)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with two equivalent Cr(5)S6 octahedra, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the fourth Cr site, Cr(4) is bonded to one S(1), one S(11), one S(13), one S(15), one S(5), and one S(9) atom to form CrS6 octahedra that share edges with two equivalent Ta(1)S6 octahedra, edges with two equivalent Cr(2)S6 octahedra, edges with two equivalent Cr(6)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the fifth Cr site, Cr(5) is bonded to one S(10), one S(12), one S(14), one S(16), one S(2), and one S(6) atom to form CrS6 octahedra that share edges with two equivalent Ta(2)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. In the sixth Cr site, Cr(6) is bonded to one S(11), one S(13), one S(15), one S(3), one S(7), and one S(9) atom to form CrS6 octahedra that share edges with two equivalent Ta(1)S6 octahedra, edges with two equivalent Cr(2)S6 octahedra, edges with two equivalent Cr(4)S6 octahedra,  an edgeedge with one Ag(1)S6 pentagonal pyramid, and  an edgeedge with one Ag(2)S6 pentagonal pyramid. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(10), one S(3), one S(4), one S(5), one S(6), and one S(9) atom to form distorted AgS6 pentagonal pyramids that share  a cornercorner with one Ta(1)S6 octahedra,  a cornercorner with one Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra,  an edgeedge with one Ta(1)S6 octahedra,  an edgeedge with one Ta(2)S6 octahedra,  an edgeedge with one Cr(1)S6 octahedra,  an edgeedge with one Cr(4)S6 octahedra,  an edgeedge with one Cr(5)S6 octahedra, and  an edgeedge with one Cr(6)S6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. In the second Ag site, Ag(2) is bonded to one S(1), one S(11), one S(12), one S(2), one S(7), and one S(8) atom to form distorted AgS6 pentagonal pyramids that share  a cornercorner with one Cr(2)S6 octahedra,  a cornercorner with one Cr(3)S6 octahedra, corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(1)S6 octahedra,  an edgeedge with one Ta(2)S6 octahedra,  an edgeedge with one Cr(2)S6 octahedra,  an edgeedge with one Cr(3)S6 octahedra,  an edgeedge with one Cr(4)S6 octahedra,  an edgeedge with one Cr(5)S6 octahedra, and  an edgeedge with one Cr(6)S6 octahedra. The corner-sharing octahedral tilt angles range from 6-18°. In the third Ag site, Ag(3) is bonded in a 6-coordinate geometry to one S(1), one S(13), one S(14), one S(2), one S(7), and one S(8) atom. In the fourth Ag site, Ag(4) is bonded in a 6-coordinate geometry to one S(15), one S(16), one S(3), one S(4), one S(5), and one S(6) atom. There are sixteen inequivalent S sites. In the first S site, S(1) is bonded to one Ta(1), one Cr(2), one Cr(4), one Ag(2), and one Ag(3) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(5)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(2)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(3)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(5)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(8)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(7)TaCr2Ag2 trigonal bipyramids. In the second S site, S(2) is bonded to one Cr(1), one Cr(3), one Cr(5), one Ag(2), and one Ag(3) atom to form distorted SCr3Ag2 trigonal bipyramids that share  a cornercorner with one S(6)Cr3Ag2 trigonal bipyramid, corners with two equivalent S(1)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(4)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(6)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(7)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(8)TaCr2Ag2 trigonal bipyramids. In the third S site, S(3) is bonded to one Ta(1), one Cr(2), one Cr(6), one Ag(1), and one Ag(4) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(7)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(1)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(4)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(6)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(7)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(5)TaCr2Ag2 trigonal bipyramids. In the fourth S site, S(4) is bonded to one Ta(2), one Cr(1), one Cr(3), one Ag(1), and one Ag(4) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(8)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(2)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(3)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(5)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(8)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(6)Cr3Ag2 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Ta(1), one Cr(2), one Cr(4), one Ag(1), and one Ag(4) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(1)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(6)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(7)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(1)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(4)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(3)TaCr2Ag2 trigonal bipyramids. In the sixth S site, S(6) is bonded to one Cr(1), one Cr(3), one Cr(5), one Ag(1), and one Ag(4) atom to form distorted SCr3Ag2 trigonal bipyramids that share  a cornercorner with one S(2)Cr3Ag2 trigonal bipyramid, corners with two equivalent S(5)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(8)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(2)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(3)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(4)TaCr2Ag2 trigonal bipyramids. In the seventh S site, S(7) is bonded to one Ta(1), one Cr(2), one Cr(6), one Ag(2), and one Ag(3) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(3)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(5)TaCr2Ag2 trigonal bipyramids, corners with two equivalent S(8)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(2)Cr3Ag2 trigonal bipyramid,  an edgeedge with one S(3)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(1)TaCr2Ag2 trigonal bipyramids. In the eighth S site, S(8) is bonded to one Ta(2), one Cr(1), one Cr(3), one Ag(2), and one Ag(3) atom to form distorted STaCr2Ag2 trigonal bipyramids that share  a cornercorner with one S(4)TaCr2Ag2 trigonal bipyramid, corners with two equivalent S(6)Cr3Ag2 trigonal bipyramids, corners with two equivalent S(7)TaCr2Ag2 trigonal bipyramids,  an edgeedge with one S(1)TaCr2Ag2 trigonal bipyramid,  an edgeedge with one S(4)TaCr2Ag2 trigonal bipyramid, and edges with two equivalent S(2)Cr3Ag2 trigonal bipyramids. In the ninth S site, S(9) is bonded in a rectangular see-saw-like geometry to one Ta(1), one Cr(4), one Cr(6), and one Ag(1) atom. In the tenth S site, S(10) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(1), one Cr(5), and one Ag(1) atom. In the eleventh S site, S(11) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(4), one Cr(6), and one Ag(2) atom. In the twelfth S site, S(12) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(3), one Cr(5), and one Ag(2) atom. In the thirteenth S site, S(13) is bonded in a rectangular see-saw-like geometry to one Ta(1), one Cr(4), one Cr(6), and one Ag(3) atom. In the fourteenth S site, S(14) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(1), one Cr(5), and one Ag(3) atom. In the fifteenth S site, S(15) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(4), one Cr(6), and one Ag(4) atom. In the sixteenth S site, S(16) is bonded in a rectangular see-saw-like geometry to one Ta(2), one Cr(3), one Cr(5), and one Ag(4) atom. is represented by the CIF card [CIF]
data_TaCr3(AgS4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.006
_cell_length_b   6.937
_cell_length_c   13.281
_cell_angle_alpha   90.607
_cell_angle_beta   90.434
_cell_angle_gamma   90.198
_symmetry_Int_Tables_number   1
_cell_volume   553.230
_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
  Ta  Ta0  1  0.983  0.007  0.253  1.0
  Ta  Ta1  1  0.496  0.261  0.750  1.0
  Cr  Cr2  1  1.000  0.002  0.750  1.0
  Cr  Cr3  1  0.007  0.498  0.250  1.0
  Cr  Cr4  1  0.999  0.499  0.749  1.0
  Cr  Cr5  1  0.505  0.249  0.249  1.0
  Cr  Cr6  1  0.499  0.746  0.749  1.0
  Cr  Cr7  1  0.506  0.750  0.249  1.0
  Ag  Ag8  1  0.348  0.983  0.996  1.0
  Ag  Ag9  1  0.636  0.515  0.502  1.0
  Ag  Ag10  1  0.035  0.989  0.501  1.0
  Ag  Ag11  1  0.964  0.508  0.004  1.0
  S  S12  1  0.832  0.259  0.359  1.0
  S  S13  1  0.831  0.744  0.650  1.0
  S  S14  1  0.171  0.747  0.147  1.0
  S  S15  1  0.163  0.251  0.857  1.0
  S  S16  1  0.174  0.247  0.146  1.0
  S  S17  1  0.167  0.755  0.849  1.0
  S  S18  1  0.836  0.742  0.356  1.0
  S  S19  1  0.835  0.251  0.644  1.0
  S  S20  1  0.662  0.999  0.142  1.0
  S  S21  1  0.665  0.996  0.850  1.0
  S  S22  1  0.347  0.500  0.346  1.0
  S  S23  1  0.325  0.502  0.643  1.0
  S  S24  1  0.337  0.001  0.351  1.0
  S  S25  1  0.332  0.993  0.648  1.0
  S  S26  1  0.673  0.498  0.153  1.0
  S  S27  1  0.672  0.506  0.855  1.0
[/CIF]
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