The material described by Ag7NbS6 crystallizes in the monoclinic Pc space group. Nb(1) is bonded to one S(3), one S(4), one S(5), and one S(6) atom to form NbS4 tetrahedra that share  an edgeedge with one Ag(1)S4 trigonal pyramid. There are seven inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(1), one S(2), one S(4), and one S(5) atom to form distorted AgS4 trigonal pyramids that share  an edgeedge with one Nb(1)S4 tetrahedra. In the second Ag site, Ag(2) is bonded in a 3-coordinate geometry to one S(1), one S(2), and one S(4) atom. In the third Ag site, Ag(3) is bonded in a distorted linear geometry to one S(2) and one S(3) atom. In the fourth Ag site, Ag(4) is bonded in a 3-coordinate geometry to one S(1), one S(3), and one S(4) atom. In the fifth Ag site, Ag(5) is bonded in a 3-coordinate geometry to one S(1), one S(5), and one S(6) atom. In the sixth Ag site, Ag(6) is bonded in a 3-coordinate geometry to one S(1), one S(3), and one S(5) atom. In the seventh Ag site, Ag(7) is bonded in a 4-coordinate geometry to one S(1), one S(2), one S(3), and one S(6) atom. There are six inequivalent S sites. In the first S site, S(1) is bonded in a distorted pentagonal pyramidal geometry to one Ag(1), one Ag(2), one Ag(4), one Ag(5), one Ag(6), and one Ag(7) atom. In the second S site, S(2) is bonded in a 4-coordinate geometry to one Ag(1), one Ag(2), one Ag(3), and one Ag(7) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one Nb(1), one Ag(3), one Ag(4), one Ag(6), and one Ag(7) atom. In the fourth S site, S(4) is bonded in a 4-coordinate geometry to one Nb(1), one Ag(1), one Ag(2), and one Ag(4) atom. In the fifth S site, S(5) is bonded in a 4-coordinate geometry to one Nb(1), one Ag(1), one Ag(5), and one Ag(6) atom. In the sixth S site, S(6) is bonded in a 3-coordinate geometry to one Nb(1), one Ag(5), and one Ag(7) atom. is represented by the CIF card [CIF]
data_NbAg7S6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.453
_cell_length_b   7.736
_cell_length_c   13.354
_cell_angle_alpha   55.231
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   632.477
_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
  Nb  Nb0  1  0.244  0.993  0.503  1.0
  Nb  Nb1  1  0.756  0.993  0.003  1.0
  Ag  Ag2  1  0.879  0.894  0.410  1.0
  Ag  Ag3  1  0.121  0.894  0.910  1.0
  Ag  Ag4  1  0.957  0.520  0.151  1.0
  Ag  Ag5  1  0.043  0.520  0.651  1.0
  Ag  Ag6  1  0.601  0.085  0.195  1.0
  Ag  Ag7  1  0.399  0.085  0.695  1.0
  Ag  Ag8  1  0.783  0.689  0.282  1.0
  Ag  Ag9  1  0.217  0.689  0.782  1.0
  Ag  Ag10  1  0.681  0.302  0.733  1.0
  Ag  Ag11  1  0.319  0.302  0.233  1.0
  Ag  Ag12  1  0.487  0.692  0.990  1.0
  Ag  Ag13  1  0.513  0.692  0.490  1.0
  Ag  Ag14  1  0.585  0.281  0.455  1.0
  Ag  Ag15  1  0.415  0.281  0.955  1.0
  S  S16  1  0.215  0.489  0.013  1.0
  S  S17  1  0.785  0.489  0.513  1.0
  S  S18  1  0.268  0.252  0.784  1.0
  S  S19  1  0.732  0.252  0.284  1.0
  S  S20  1  0.498  0.851  0.632  1.0
  S  S21  1  0.502  0.851  0.132  1.0
  S  S22  1  0.977  0.881  0.614  1.0
  S  S23  1  0.023  0.881  0.114  1.0
  S  S24  1  0.245  0.892  0.367  1.0
  S  S25  1  0.755  0.892  0.867  1.0
  S  S26  1  0.242  0.355  0.399  1.0
  S  S27  1  0.758  0.355  0.899  1.0
[/CIF]
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The material described by Ag7NbS6 crystallizes in the monoclinic Pc space group. Nb(1) is bonded to one S(3), one S(4), one S(5), and one S(6) atom to form NbS4 tetrahedra that share  an edgeedge with one Ag(1)S4 trigonal pyramid. There are seven inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(1), one S(2), one S(4), and one S(5) atom to form distorted AgS4 trigonal pyramids that share  an edgeedge with one Nb(1)S4 tetrahedra. In the second Ag site, Ag(2) is bonded in a 3-coordinate geometry to one S(1), one S(2), and one S(4) atom. In the third Ag site, Ag(3) is bonded in a distorted linear geometry to one S(2) and one S(3) atom. In the fourth Ag site, Ag(4) is bonded in a 3-coordinate geometry to one S(1), one S(3), and one S(4) atom. In the fifth Ag site, Ag(5) is bonded in a 3-coordinate geometry to one S(1), one S(5), and one S(6) atom. In the sixth Ag site, Ag(6) is bonded in a 3-coordinate geometry to one S(1), one S(3), and one S(5) atom. In the seventh Ag site, Ag(7) is bonded in a 4-coordinate geometry to one S(1), one S(2), one S(3), and one S(6) atom. There are six inequivalent S sites. In the first S site, S(1) is bonded in a distorted pentagonal pyramidal geometry to one Ag(1), one Ag(2), one Ag(4), one Ag(5), one Ag(6), and one Ag(7) atom. In the second S site, S(2) is bonded in a 4-coordinate geometry to one Ag(1), one Ag(2), one Ag(3), and one Ag(7) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one Nb(1), one Ag(3), one Ag(4), one Ag(6), and one Ag(7) atom. In the fourth S site, S(4) is bonded in a 4-coordinate geometry to one Nb(1), one Ag(1), one Ag(2), and one Ag(4) atom. In the fifth S site, S(5) is bonded in a 4-coordinate geometry to one Nb(1), one Ag(1), one Ag(5), and one Ag(6) atom. In the sixth S site, S(6) is bonded in a 3-coordinate geometry to one Nb(1), one Ag(5), and one Ag(7) atom. is represented by the CIF card [CIF]
data_NbAg7S6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.453
_cell_length_b   7.736
_cell_length_c   13.354
_cell_angle_alpha   55.231
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   632.477
_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
  Nb  Nb0  1  0.244  0.993  0.503  1.0
  Nb  Nb1  1  0.756  0.993  0.003  1.0
  Ag  Ag2  1  0.879  0.894  0.410  1.0
  Ag  Ag3  1  0.121  0.894  0.910  1.0
  Ag  Ag4  1  0.957  0.520  0.151  1.0
  Ag  Ag5  1  0.043  0.520  0.651  1.0
  Ag  Ag6  1  0.601  0.085  0.195  1.0
  Ag  Ag7  1  0.399  0.085  0.695  1.0
  Ag  Ag8  1  0.783  0.689  0.282  1.0
  Ag  Ag9  1  0.217  0.689  0.782  1.0
  Ag  Ag10  1  0.681  0.302  0.733  1.0
  Ag  Ag11  1  0.319  0.302  0.233  1.0
  Ag  Ag12  1  0.487  0.692  0.990  1.0
  Ag  Ag13  1  0.513  0.692  0.490  1.0
  Ag  Ag14  1  0.585  0.281  0.455  1.0
  Ag  Ag15  1  0.415  0.281  0.955  1.0
  S  S16  1  0.215  0.489  0.013  1.0
  S  S17  1  0.785  0.489  0.513  1.0
  S  S18  1  0.268  0.252  0.784  1.0
  S  S19  1  0.732  0.252  0.284  1.0
  S  S20  1  0.498  0.851  0.632  1.0
  S  S21  1  0.502  0.851  0.132  1.0
  S  S22  1  0.977  0.881  0.614  1.0
  S  S23  1  0.023  0.881  0.114  1.0
  S  S24  1  0.245  0.892  0.367  1.0
  S  S25  1  0.755  0.892  0.867  1.0
  S  S26  1  0.242  0.355  0.399  1.0
  S  S27  1  0.758  0.355  0.899  1.0
[/CIF]
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