The material described by Ag11Hg9 crystallizes in the trigonal P3m1 space group. There are eleven inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to three equivalent Ag(7), three equivalent Ag(8), and six equivalent Ag(1) atoms to form AgAg12 cuboctahedra that share corners with six equivalent Ag(1)Ag12 cuboctahedra, corners with six equivalent Hg(7)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(8)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(1)Ag12 cuboctahedra, edges with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(8)Ag9Hg3 cuboctahedra,  a faceface with one Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Hg(8)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(1)Ag12 cuboctahedra, faces with six equivalent Ag(7)Ag9Hg3 cuboctahedra, and faces with six equivalent Ag(8)Ag9Hg3 cuboctahedra. In the second Ag site, Ag(2) is bonded to three equivalent Ag(10), three equivalent Ag(9), and six equivalent Ag(2) atoms to form AgAg12 cuboctahedra that share corners with six equivalent Ag(2)Ag12 cuboctahedra, corners with six equivalent Hg(1)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(7)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(2)Ag12 cuboctahedra, edges with six equivalent Ag(10)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(9)Ag9Hg3 cuboctahedra,  a faceface with one Hg(1)Ag3Hg9 cuboctahedra,  a faceface with one Hg(7)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(10)Ag9Hg3 cuboctahedra, and faces with six equivalent Ag(9)Ag9Hg3 cuboctahedra. In the third Ag site, Ag(3) is bonded to six equivalent Ag(3), three equivalent Hg(2), and three equivalent Hg(5) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(3)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(9)Hg12 cuboctahedra, edges with six equivalent Ag(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Ag(4)Ag6Hg6 cuboctahedra,  a faceface with one Hg(9)Hg12 cuboctahedra, faces with six equivalent Ag(3)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(2)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(5)Ag6Hg6 cuboctahedra. In the fourth Ag site, Ag(4) is bonded to six equivalent Ag(4), three equivalent Hg(3), and three equivalent Hg(5) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(3)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(4)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Ag(3)Ag6Hg6 cuboctahedra,  a faceface with one Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(4)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(3)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(5)Ag6Hg6 cuboctahedra. In the fifth Ag site, Ag(5) is bonded to six equivalent Ag(5), three equivalent Hg(3), and three equivalent Hg(6) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(4)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(5)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Ag(4)Ag6Hg6 cuboctahedra,  a faceface with one Ag(6)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(3)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(6)Ag6Hg6 cuboctahedra. In the sixth Ag site, Ag(6) is bonded to six equivalent Ag(6), three equivalent Hg(4), and three equivalent Hg(6) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(11)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(5)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Ag(11)Ag6Hg6 cuboctahedra,  a faceface with one Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(6)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(4)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(6)Ag6Hg6 cuboctahedra. In the seventh Ag site, Ag(7) is bonded to three equivalent Ag(1), six equivalent Ag(7), and three equivalent Hg(8) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(11)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(7)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(8)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(1)Ag12 cuboctahedra, edges with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(8)Ag6Hg6 cuboctahedra,  a faceface with one Ag(11)Ag6Hg6 cuboctahedra,  a faceface with one Ag(8)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(1)Ag12 cuboctahedra, faces with six equivalent Ag(7)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(8)Ag6Hg6 cuboctahedra. In the eighth Ag site, Ag(8) is bonded to three equivalent Ag(1), six equivalent Ag(8), and three equivalent Hg(7) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(7)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(8)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(1)Ag12 cuboctahedra, edges with six equivalent Ag(8)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Ag(7)Ag9Hg3 cuboctahedra,  a faceface with one Ag(9)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(1)Ag12 cuboctahedra, faces with six equivalent Ag(8)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(7)Ag6Hg6 cuboctahedra. In the ninth Ag site, Ag(9) is bonded to three equivalent Ag(2), six equivalent Ag(9), and three equivalent Hg(7) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(10)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(8)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(2)Ag12 cuboctahedra, edges with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Ag(10)Ag9Hg3 cuboctahedra,  a faceface with one Ag(8)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(9)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(7)Ag6Hg6 cuboctahedra. In the tenth Ag site, Ag(10) is bonded to three equivalent Ag(2), six equivalent Ag(10), and three equivalent Hg(1) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(10)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(9)Ag9Hg3 cuboctahedra, corners with six equivalent Hg(9)Hg12 cuboctahedra, edges with six equivalent Ag(2)Ag12 cuboctahedra, edges with six equivalent Ag(10)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(1)Ag3Hg9 cuboctahedra,  a faceface with one Ag(9)Ag9Hg3 cuboctahedra,  a faceface with one Hg(9)Hg12 cuboctahedra, faces with six equivalent Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(10)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(1)Ag3Hg9 cuboctahedra. In the eleventh Ag site, Ag(11) is bonded to six equivalent Ag(11), three equivalent Hg(4), and three equivalent Hg(8) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(11)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(6)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(11)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(8)Ag6Hg6 cuboctahedra,  a faceface with one Ag(6)Ag6Hg6 cuboctahedra,  a faceface with one Ag(7)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(11)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(4)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(8)Ag6Hg6 cuboctahedra. There are nine inequivalent Hg sites. In the first Hg site, Hg(1) is bonded to three equivalent Ag(10), three equivalent Hg(9), and six equivalent Hg(1) atoms to form distorted HgAg3Hg9 cuboctahedra that share corners with six equivalent Ag(2)Ag12 cuboctahedra, corners with six equivalent Hg(1)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Ag(10)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(1)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(9)Hg12 cuboctahedra,  a faceface with one Ag(2)Ag12 cuboctahedra,  a faceface with one Hg(2)Ag3Hg9 cuboctahedra, faces with six equivalent Ag(10)Ag9Hg3 cuboctahedra, faces with six equivalent Hg(1)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(9)Hg12 cuboctahedra. In the second Hg site, Hg(2) is bonded to three equivalent Ag(3), three equivalent Hg(9), and six equivalent Hg(2) atoms to form distorted HgAg3Hg9 cuboctahedra that share corners with six equivalent Hg(1)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(2)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(9)Hg12 cuboctahedra,  a faceface with one Hg(1)Ag3Hg9 cuboctahedra,  a faceface with one Hg(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(3)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(2)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(9)Hg12 cuboctahedra. In the third Hg site, Hg(3) is bonded to three equivalent Ag(4), three equivalent Ag(5), and six equivalent Hg(3) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(3)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(5)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(4)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(3)Ag6Hg6 cuboctahedra,  a faceface with one Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Hg(6)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(4)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(5)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(3)Ag6Hg6 cuboctahedra. In the fourth Hg site, Hg(4) is bonded to three equivalent Ag(11), three equivalent Ag(6), and six equivalent Hg(4) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(6)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(8)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(11)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(4)Ag6Hg6 cuboctahedra,  a faceface with one Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Hg(8)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(11)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(6)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(4)Ag6Hg6 cuboctahedra. In the fifth Hg site, Hg(5) is bonded to three equivalent Ag(3), three equivalent Ag(4), and six equivalent Hg(5) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(2)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(3)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(3)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Hg(2)Ag3Hg9 cuboctahedra,  a faceface with one Hg(3)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(3)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(4)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(5)Ag6Hg6 cuboctahedra. In the sixth Hg site, Hg(6) is bonded to three equivalent Ag(5), three equivalent Ag(6), and six equivalent Hg(6) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(3)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Hg(3)Ag6Hg6 cuboctahedra,  a faceface with one Hg(4)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(6)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(6)Ag6Hg6 cuboctahedra. In the seventh Hg site, Hg(7) is bonded to three equivalent Ag(8), three equivalent Ag(9), and six equivalent Hg(7) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(1)Ag12 cuboctahedra, corners with six equivalent Ag(2)Ag12 cuboctahedra, corners with six equivalent Hg(7)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(8)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Ag(1)Ag12 cuboctahedra,  a faceface with one Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(8)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(9)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(7)Ag6Hg6 cuboctahedra. In the eighth Hg site, Hg(8) is bonded to three equivalent Ag(11), three equivalent Ag(7), and six equivalent Hg(8) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(1)Ag12 cuboctahedra, corners with six equivalent Hg(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(8)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(11)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(8)Ag6Hg6 cuboctahedra,  a faceface with one Ag(1)Ag12 cuboctahedra,  a faceface with one Hg(4)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(11)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(7)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(8)Ag6Hg6 cuboctahedra. In the ninth Hg site, Hg(9) is bonded to three equivalent Hg(1), three equivalent Hg(2), and six equivalent Hg(9) atoms to form HgHg12 cuboctahedra that share corners with six equivalent Ag(3)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(10)Ag9Hg3 cuboctahedra, corners with six equivalent Hg(9)Hg12 cuboctahedra, edges with six equivalent Hg(1)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(9)Hg12 cuboctahedra,  a faceface with one Ag(3)Ag6Hg6 cuboctahedra,  a faceface with one Ag(10)Ag9Hg3 cuboctahedra, faces with six equivalent Hg(1)Ag3Hg9 cuboctahedra, faces with six equivalent Hg(2)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(9)Hg12 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ag11Hg9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.219
_cell_length_b   3.219
_cell_length_c   46.743
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   419.489
_cell_formula_units_Z   1
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
  Ag  Ag0  1  0.667  0.333  0.725  1.0
  Ag  Ag1  1  0.667  0.333  0.922  1.0
  Ag  Ag2  1  0.000  0.000  0.178  1.0
  Ag  Ag3  1  0.000  0.000  0.276  1.0
  Ag  Ag4  1  0.000  0.000  0.375  1.0
  Ag  Ag5  1  0.000  0.000  0.475  1.0
  Ag  Ag6  1  0.000  0.000  0.677  1.0
  Ag  Ag7  1  0.000  0.000  0.774  1.0
  Ag  Ag8  1  0.000  0.000  0.875  1.0
  Ag  Ag9  1  0.000  0.000  0.969  1.0
  Ag  Ag10  1  0.000  0.000  0.576  1.0
  Hg  Hg11  1  0.667  0.333  0.019  1.0
  Hg  Hg12  1  0.667  0.333  0.129  1.0
  Hg  Hg13  1  0.667  0.333  0.325  1.0
  Hg  Hg14  1  0.667  0.333  0.526  1.0
  Hg  Hg15  1  0.667  0.333  0.227  1.0
  Hg  Hg16  1  0.667  0.333  0.425  1.0
  Hg  Hg17  1  0.667  0.333  0.824  1.0
  Hg  Hg18  1  0.667  0.333  0.626  1.0
  Hg  Hg19  1  0.000  0.000  0.074  1.0
[/CIF]
.
The material described by Ag11Hg9 crystallizes in the trigonal P3m1 space group. There are eleven inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to three equivalent Ag(7), three equivalent Ag(8), and six equivalent Ag(1) atoms to form AgAg12 cuboctahedra that share corners with six equivalent Ag(1)Ag12 cuboctahedra, corners with six equivalent Hg(7)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(8)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(1)Ag12 cuboctahedra, edges with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(8)Ag9Hg3 cuboctahedra,  a faceface with one Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Hg(8)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(1)Ag12 cuboctahedra, faces with six equivalent Ag(7)Ag9Hg3 cuboctahedra, and faces with six equivalent Ag(8)Ag9Hg3 cuboctahedra. In the second Ag site, Ag(2) is bonded to three equivalent Ag(10), three equivalent Ag(9), and six equivalent Ag(2) atoms to form AgAg12 cuboctahedra that share corners with six equivalent Ag(2)Ag12 cuboctahedra, corners with six equivalent Hg(1)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(7)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(2)Ag12 cuboctahedra, edges with six equivalent Ag(10)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(9)Ag9Hg3 cuboctahedra,  a faceface with one Hg(1)Ag3Hg9 cuboctahedra,  a faceface with one Hg(7)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(10)Ag9Hg3 cuboctahedra, and faces with six equivalent Ag(9)Ag9Hg3 cuboctahedra. In the third Ag site, Ag(3) is bonded to six equivalent Ag(3), three equivalent Hg(2), and three equivalent Hg(5) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(3)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(9)Hg12 cuboctahedra, edges with six equivalent Ag(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Ag(4)Ag6Hg6 cuboctahedra,  a faceface with one Hg(9)Hg12 cuboctahedra, faces with six equivalent Ag(3)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(2)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(5)Ag6Hg6 cuboctahedra. In the fourth Ag site, Ag(4) is bonded to six equivalent Ag(4), three equivalent Hg(3), and three equivalent Hg(5) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(3)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(4)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Ag(3)Ag6Hg6 cuboctahedra,  a faceface with one Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(4)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(3)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(5)Ag6Hg6 cuboctahedra. In the fifth Ag site, Ag(5) is bonded to six equivalent Ag(5), three equivalent Hg(3), and three equivalent Hg(6) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(4)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(5)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Ag(4)Ag6Hg6 cuboctahedra,  a faceface with one Ag(6)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(3)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(6)Ag6Hg6 cuboctahedra. In the sixth Ag site, Ag(6) is bonded to six equivalent Ag(6), three equivalent Hg(4), and three equivalent Hg(6) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(11)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(5)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Ag(11)Ag6Hg6 cuboctahedra,  a faceface with one Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(6)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(4)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(6)Ag6Hg6 cuboctahedra. In the seventh Ag site, Ag(7) is bonded to three equivalent Ag(1), six equivalent Ag(7), and three equivalent Hg(8) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(11)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(7)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(8)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(1)Ag12 cuboctahedra, edges with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(8)Ag6Hg6 cuboctahedra,  a faceface with one Ag(11)Ag6Hg6 cuboctahedra,  a faceface with one Ag(8)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(1)Ag12 cuboctahedra, faces with six equivalent Ag(7)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(8)Ag6Hg6 cuboctahedra. In the eighth Ag site, Ag(8) is bonded to three equivalent Ag(1), six equivalent Ag(8), and three equivalent Hg(7) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(7)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(8)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(1)Ag12 cuboctahedra, edges with six equivalent Ag(8)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Ag(7)Ag9Hg3 cuboctahedra,  a faceface with one Ag(9)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(1)Ag12 cuboctahedra, faces with six equivalent Ag(8)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(7)Ag6Hg6 cuboctahedra. In the ninth Ag site, Ag(9) is bonded to three equivalent Ag(2), six equivalent Ag(9), and three equivalent Hg(7) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(10)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(8)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(2)Ag12 cuboctahedra, edges with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Ag(10)Ag9Hg3 cuboctahedra,  a faceface with one Ag(8)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(9)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(7)Ag6Hg6 cuboctahedra. In the tenth Ag site, Ag(10) is bonded to three equivalent Ag(2), six equivalent Ag(10), and three equivalent Hg(1) atoms to form distorted AgAg9Hg3 cuboctahedra that share corners with six equivalent Ag(10)Ag9Hg3 cuboctahedra, corners with six equivalent Ag(9)Ag9Hg3 cuboctahedra, corners with six equivalent Hg(9)Hg12 cuboctahedra, edges with six equivalent Ag(2)Ag12 cuboctahedra, edges with six equivalent Ag(10)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(1)Ag3Hg9 cuboctahedra,  a faceface with one Ag(9)Ag9Hg3 cuboctahedra,  a faceface with one Hg(9)Hg12 cuboctahedra, faces with six equivalent Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(10)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(1)Ag3Hg9 cuboctahedra. In the eleventh Ag site, Ag(11) is bonded to six equivalent Ag(11), three equivalent Hg(4), and three equivalent Hg(8) atoms to form distorted AgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(11)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(6)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(11)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(8)Ag6Hg6 cuboctahedra,  a faceface with one Ag(6)Ag6Hg6 cuboctahedra,  a faceface with one Ag(7)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(11)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(4)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(8)Ag6Hg6 cuboctahedra. There are nine inequivalent Hg sites. In the first Hg site, Hg(1) is bonded to three equivalent Ag(10), three equivalent Hg(9), and six equivalent Hg(1) atoms to form distorted HgAg3Hg9 cuboctahedra that share corners with six equivalent Ag(2)Ag12 cuboctahedra, corners with six equivalent Hg(1)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Ag(10)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(1)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(9)Hg12 cuboctahedra,  a faceface with one Ag(2)Ag12 cuboctahedra,  a faceface with one Hg(2)Ag3Hg9 cuboctahedra, faces with six equivalent Ag(10)Ag9Hg3 cuboctahedra, faces with six equivalent Hg(1)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(9)Hg12 cuboctahedra. In the second Hg site, Hg(2) is bonded to three equivalent Ag(3), three equivalent Hg(9), and six equivalent Hg(2) atoms to form distorted HgAg3Hg9 cuboctahedra that share corners with six equivalent Hg(1)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(2)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(3)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(9)Hg12 cuboctahedra,  a faceface with one Hg(1)Ag3Hg9 cuboctahedra,  a faceface with one Hg(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(3)Ag6Hg6 cuboctahedra, faces with six equivalent Hg(2)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(9)Hg12 cuboctahedra. In the third Hg site, Hg(3) is bonded to three equivalent Ag(4), three equivalent Ag(5), and six equivalent Hg(3) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(3)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(5)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(4)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(3)Ag6Hg6 cuboctahedra,  a faceface with one Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Hg(6)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(4)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(5)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(3)Ag6Hg6 cuboctahedra. In the fourth Hg site, Hg(4) is bonded to three equivalent Ag(11), three equivalent Ag(6), and six equivalent Hg(4) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(6)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(8)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(11)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(4)Ag6Hg6 cuboctahedra,  a faceface with one Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Hg(8)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(11)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(6)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(4)Ag6Hg6 cuboctahedra. In the fifth Hg site, Hg(5) is bonded to three equivalent Ag(3), three equivalent Ag(4), and six equivalent Hg(5) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(2)Ag3Hg9 cuboctahedra, corners with six equivalent Hg(3)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(3)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(4)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(5)Ag6Hg6 cuboctahedra,  a faceface with one Hg(2)Ag3Hg9 cuboctahedra,  a faceface with one Hg(3)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(3)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(4)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(5)Ag6Hg6 cuboctahedra. In the sixth Hg site, Hg(6) is bonded to three equivalent Ag(5), three equivalent Ag(6), and six equivalent Hg(6) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Hg(3)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(6)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(5)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(6)Ag6Hg6 cuboctahedra, edges with six equivalent Hg(6)Ag6Hg6 cuboctahedra,  a faceface with one Hg(3)Ag6Hg6 cuboctahedra,  a faceface with one Hg(4)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(5)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(6)Ag6Hg6 cuboctahedra, and faces with six equivalent Hg(6)Ag6Hg6 cuboctahedra. In the seventh Hg site, Hg(7) is bonded to three equivalent Ag(8), three equivalent Ag(9), and six equivalent Hg(7) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(1)Ag12 cuboctahedra, corners with six equivalent Ag(2)Ag12 cuboctahedra, corners with six equivalent Hg(7)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(8)Ag9Hg3 cuboctahedra, edges with six equivalent Ag(9)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(7)Ag6Hg6 cuboctahedra,  a faceface with one Ag(1)Ag12 cuboctahedra,  a faceface with one Ag(2)Ag12 cuboctahedra, faces with six equivalent Ag(8)Ag9Hg3 cuboctahedra, faces with six equivalent Ag(9)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(7)Ag6Hg6 cuboctahedra. In the eighth Hg site, Hg(8) is bonded to three equivalent Ag(11), three equivalent Ag(7), and six equivalent Hg(8) atoms to form distorted HgAg6Hg6 cuboctahedra that share corners with six equivalent Ag(1)Ag12 cuboctahedra, corners with six equivalent Hg(4)Ag6Hg6 cuboctahedra, corners with six equivalent Hg(8)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(11)Ag6Hg6 cuboctahedra, edges with six equivalent Ag(7)Ag9Hg3 cuboctahedra, edges with six equivalent Hg(8)Ag6Hg6 cuboctahedra,  a faceface with one Ag(1)Ag12 cuboctahedra,  a faceface with one Hg(4)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(11)Ag6Hg6 cuboctahedra, faces with six equivalent Ag(7)Ag9Hg3 cuboctahedra, and faces with six equivalent Hg(8)Ag6Hg6 cuboctahedra. In the ninth Hg site, Hg(9) is bonded to three equivalent Hg(1), three equivalent Hg(2), and six equivalent Hg(9) atoms to form HgHg12 cuboctahedra that share corners with six equivalent Ag(3)Ag6Hg6 cuboctahedra, corners with six equivalent Ag(10)Ag9Hg3 cuboctahedra, corners with six equivalent Hg(9)Hg12 cuboctahedra, edges with six equivalent Hg(1)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(2)Ag3Hg9 cuboctahedra, edges with six equivalent Hg(9)Hg12 cuboctahedra,  a faceface with one Ag(3)Ag6Hg6 cuboctahedra,  a faceface with one Ag(10)Ag9Hg3 cuboctahedra, faces with six equivalent Hg(1)Ag3Hg9 cuboctahedra, faces with six equivalent Hg(2)Ag3Hg9 cuboctahedra, and faces with six equivalent Hg(9)Hg12 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ag11Hg9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.219
_cell_length_b   3.219
_cell_length_c   46.743
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   419.489
_cell_formula_units_Z   1
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
  Ag  Ag0  1  0.667  0.333  0.725  1.0
  Ag  Ag1  1  0.667  0.333  0.922  1.0
  Ag  Ag2  1  0.000  0.000  0.178  1.0
  Ag  Ag3  1  0.000  0.000  0.276  1.0
  Ag  Ag4  1  0.000  0.000  0.375  1.0
  Ag  Ag5  1  0.000  0.000  0.475  1.0
  Ag  Ag6  1  0.000  0.000  0.677  1.0
  Ag  Ag7  1  0.000  0.000  0.774  1.0
  Ag  Ag8  1  0.000  0.000  0.875  1.0
  Ag  Ag9  1  0.000  0.000  0.969  1.0
  Ag  Ag10  1  0.000  0.000  0.576  1.0
  Hg  Hg11  1  0.667  0.333  0.019  1.0
  Hg  Hg12  1  0.667  0.333  0.129  1.0
  Hg  Hg13  1  0.667  0.333  0.325  1.0
  Hg  Hg14  1  0.667  0.333  0.526  1.0
  Hg  Hg15  1  0.667  0.333  0.227  1.0
  Hg  Hg16  1  0.667  0.333  0.425  1.0
  Hg  Hg17  1  0.667  0.333  0.824  1.0
  Hg  Hg18  1  0.667  0.333  0.626  1.0
  Hg  Hg19  1  0.000  0.000  0.074  1.0
[/CIF]
.