The material described by TaCr3(AgS4)2 crystallizes in the orthorhombic Pmn2_1 space group. Ta(1) is bonded to one S(5), one S(8), two equivalent S(2), and two equivalent S(6) atoms to form TaS6 octahedra that share corners with two equivalent Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, edges with two equivalent Ta(1)S6 octahedra, and edges with two equivalent Cr(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 45-53°. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(2), one S(3), two equivalent S(4), and two equivalent S(7) atoms to form CrS6 octahedra that share corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with two equivalent Cr(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 45-56°. In the second Cr site, Cr(2) is bonded to one S(1), one S(4), two equivalent S(3), and two equivalent S(8) atoms to form CrS6 octahedra that share corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with two equivalent Cr(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 47-53°. In the third Cr site, Cr(3) is bonded to one S(6), one S(7), two equivalent S(1), and two equivalent S(5) atoms to form CrS6 octahedra that share corners with two equivalent Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, edges with two equivalent Ta(1)S6 octahedra, and edges with two equivalent Cr(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 8-coordinate geometry to one S(1), one S(2), two equivalent S(3), two equivalent S(5), and two equivalent S(7) atoms. In the second Ag site, Ag(2) is bonded in a 8-coordinate geometry to one S(1), one S(2), two equivalent S(4), two equivalent S(6), and two equivalent S(8) atoms. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one Cr(2), two equivalent Cr(3), one Ag(1), and one Ag(2) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent Ta(1), one Cr(1), one Ag(1), and one Ag(2) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one Cr(1), two equivalent Cr(2), and two equivalent Ag(1) atoms. In the fourth S site, S(4) is bonded to one Cr(2), two equivalent Cr(1), and two equivalent Ag(2) atoms to form distorted SCr3Ag2 trigonal bipyramids that share corners with two equivalent S(6)Ta2CrAg2 trigonal bipyramids,  an edgeedge with one S(6)Ta2CrAg2 trigonal bipyramid, and edges with two equivalent S(4)Cr3Ag2 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Ta(1), two equivalent Cr(3), and two equivalent Ag(1) atoms to form distorted STaCr2Ag2 square pyramids that share edges with two equivalent S(5)TaCr2Ag2 square pyramids and edges with two equivalent S(6)Ta2CrAg2 trigonal bipyramids. In the sixth S site, S(6) is bonded to two equivalent Ta(1), one Cr(3), and two equivalent Ag(2) atoms to form distorted STa2CrAg2 trigonal bipyramids that share corners with two equivalent S(4)Cr3Ag2 trigonal bipyramids, edges with two equivalent S(5)TaCr2Ag2 square pyramids,  an edgeedge with one S(4)Cr3Ag2 trigonal bipyramid, and edges with two equivalent S(6)Ta2CrAg2 trigonal bipyramids. In the seventh S site, S(7) is bonded in a 5-coordinate geometry to one Cr(3), two equivalent Cr(1), and two equivalent Ag(1) atoms. In the eighth S site, S(8) is bonded in a 5-coordinate geometry to one Ta(1), two equivalent Cr(2), and two equivalent Ag(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_TaCr3(AgS4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.467
_cell_length_b   11.155
_cell_length_c   13.051
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   504.791
_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  0.000  0.836  0.597  1.0
  Ta  Ta1  1  0.500  0.164  0.097  1.0
  Cr  Cr2  1  0.500  0.687  0.893  1.0
  Cr  Cr3  1  0.000  0.800  0.112  1.0
  Cr  Cr4  1  0.000  0.313  0.393  1.0
  Cr  Cr5  1  0.500  0.200  0.612  1.0
  Cr  Cr6  1  0.500  0.664  0.401  1.0
  Cr  Cr7  1  0.000  0.336  0.901  1.0
  Ag  Ag8  1  0.500  0.497  0.674  1.0
  Ag  Ag9  1  0.000  0.999  0.330  1.0
  Ag  Ag10  1  0.000  0.503  0.174  1.0
  Ag  Ag11  1  0.500  0.001  0.830  1.0
  S  S12  1  0.000  0.722  0.287  1.0
  S  S13  1  0.500  0.772  0.717  1.0
  S  S14  1  0.500  0.278  0.787  1.0
  S  S15  1  0.000  0.228  0.217  1.0
  S  S16  1  0.500  0.663  0.071  1.0
  S  S17  1  0.000  0.831  0.931  1.0
  S  S18  1  0.000  0.337  0.571  1.0
  S  S19  1  0.500  0.169  0.431  1.0
  S  S20  1  0.000  0.629  0.526  1.0
  S  S21  1  0.500  0.870  0.464  1.0
  S  S22  1  0.500  0.371  0.026  1.0
  S  S23  1  0.000  0.130  0.964  1.0
  S  S24  1  0.000  0.546  0.847  1.0
  S  S25  1  0.500  0.953  0.148  1.0
  S  S26  1  0.500  0.454  0.347  1.0
  S  S27  1  0.000  0.047  0.648  1.0
[/CIF]
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The material described by TaCr3(AgS4)2 crystallizes in the orthorhombic Pmn2_1 space group. Ta(1) is bonded to one S(5), one S(8), two equivalent S(2), and two equivalent S(6) atoms to form TaS6 octahedra that share corners with two equivalent Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, edges with two equivalent Ta(1)S6 octahedra, and edges with two equivalent Cr(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 45-53°. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(2), one S(3), two equivalent S(4), and two equivalent S(7) atoms to form CrS6 octahedra that share corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with two equivalent Cr(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 45-56°. In the second Cr site, Cr(2) is bonded to one S(1), one S(4), two equivalent S(3), and two equivalent S(8) atoms to form CrS6 octahedra that share corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with two equivalent Cr(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 47-53°. In the third Cr site, Cr(3) is bonded to one S(6), one S(7), two equivalent S(1), and two equivalent S(5) atoms to form CrS6 octahedra that share corners with two equivalent Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, edges with two equivalent Ta(1)S6 octahedra, and edges with two equivalent Cr(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 8-coordinate geometry to one S(1), one S(2), two equivalent S(3), two equivalent S(5), and two equivalent S(7) atoms. In the second Ag site, Ag(2) is bonded in a 8-coordinate geometry to one S(1), one S(2), two equivalent S(4), two equivalent S(6), and two equivalent S(8) atoms. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one Cr(2), two equivalent Cr(3), one Ag(1), and one Ag(2) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent Ta(1), one Cr(1), one Ag(1), and one Ag(2) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one Cr(1), two equivalent Cr(2), and two equivalent Ag(1) atoms. In the fourth S site, S(4) is bonded to one Cr(2), two equivalent Cr(1), and two equivalent Ag(2) atoms to form distorted SCr3Ag2 trigonal bipyramids that share corners with two equivalent S(6)Ta2CrAg2 trigonal bipyramids,  an edgeedge with one S(6)Ta2CrAg2 trigonal bipyramid, and edges with two equivalent S(4)Cr3Ag2 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Ta(1), two equivalent Cr(3), and two equivalent Ag(1) atoms to form distorted STaCr2Ag2 square pyramids that share edges with two equivalent S(5)TaCr2Ag2 square pyramids and edges with two equivalent S(6)Ta2CrAg2 trigonal bipyramids. In the sixth S site, S(6) is bonded to two equivalent Ta(1), one Cr(3), and two equivalent Ag(2) atoms to form distorted STa2CrAg2 trigonal bipyramids that share corners with two equivalent S(4)Cr3Ag2 trigonal bipyramids, edges with two equivalent S(5)TaCr2Ag2 square pyramids,  an edgeedge with one S(4)Cr3Ag2 trigonal bipyramid, and edges with two equivalent S(6)Ta2CrAg2 trigonal bipyramids. In the seventh S site, S(7) is bonded in a 5-coordinate geometry to one Cr(3), two equivalent Cr(1), and two equivalent Ag(1) atoms. In the eighth S site, S(8) is bonded in a 5-coordinate geometry to one Ta(1), two equivalent Cr(2), and two equivalent Ag(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_TaCr3(AgS4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.467
_cell_length_b   11.155
_cell_length_c   13.051
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   504.791
_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  0.000  0.836  0.597  1.0
  Ta  Ta1  1  0.500  0.164  0.097  1.0
  Cr  Cr2  1  0.500  0.687  0.893  1.0
  Cr  Cr3  1  0.000  0.800  0.112  1.0
  Cr  Cr4  1  0.000  0.313  0.393  1.0
  Cr  Cr5  1  0.500  0.200  0.612  1.0
  Cr  Cr6  1  0.500  0.664  0.401  1.0
  Cr  Cr7  1  0.000  0.336  0.901  1.0
  Ag  Ag8  1  0.500  0.497  0.674  1.0
  Ag  Ag9  1  0.000  0.999  0.330  1.0
  Ag  Ag10  1  0.000  0.503  0.174  1.0
  Ag  Ag11  1  0.500  0.001  0.830  1.0
  S  S12  1  0.000  0.722  0.287  1.0
  S  S13  1  0.500  0.772  0.717  1.0
  S  S14  1  0.500  0.278  0.787  1.0
  S  S15  1  0.000  0.228  0.217  1.0
  S  S16  1  0.500  0.663  0.071  1.0
  S  S17  1  0.000  0.831  0.931  1.0
  S  S18  1  0.000  0.337  0.571  1.0
  S  S19  1  0.500  0.169  0.431  1.0
  S  S20  1  0.000  0.629  0.526  1.0
  S  S21  1  0.500  0.870  0.464  1.0
  S  S22  1  0.500  0.371  0.026  1.0
  S  S23  1  0.000  0.130  0.964  1.0
  S  S24  1  0.000  0.546  0.847  1.0
  S  S25  1  0.500  0.953  0.148  1.0
  S  S26  1  0.500  0.454  0.347  1.0
  S  S27  1  0.000  0.047  0.648  1.0
[/CIF]
.