The structure described by Cu10Hg3Zn2Sn5S20 is Clathrate-derived structured and crystallizes in the monoclinic C2 space group. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one S(2), one S(3), one S(6), and one S(8) atom to form CuS4 tetrahedra that share  a cornercorner with one Hg(2)S4 tetrahedra,  a cornercorner with one Sn(1)S4 tetrahedra, corners with two equivalent Cu(2)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with three equivalent Hg(1)S4 tetrahedra, and corners with three equivalent Sn(2)S4 tetrahedra. In the second Cu site, Cu(2) is bonded to one S(1), one S(4), one S(6), and one S(8) atom to form CuS4 tetrahedra that share  a cornercorner with one Zn(1)S4 tetrahedra,  a cornercorner with one Sn(2)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Cu(4)S4 tetrahedra, corners with three equivalent Hg(1)S4 tetrahedra, and corners with three equivalent Sn(1)S4 tetrahedra. In the third Cu site, Cu(3) is bonded to one S(2), one S(3), and two equivalent S(7) atoms to form CuS4 tetrahedra that share  a cornercorner with one Hg(1)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with three equivalent Hg(2)S4 tetrahedra, and corners with four equivalent Sn(2)S4 tetrahedra. In the fourth Cu site, Cu(4) is bonded to one S(1), one S(10), one S(4), and one S(9) atom to form CuS4 tetrahedra that share  a cornercorner with one Hg(1)S4 tetrahedra,  a cornercorner with one Sn(3)S4 tetrahedra, corners with two equivalent Cu(2)S4 tetrahedra, corners with two equivalent Cu(5)S4 tetrahedra, corners with three equivalent Zn(1)S4 tetrahedra, and corners with three equivalent Sn(1)S4 tetrahedra. In the fifth Cu site, Cu(5) is bonded to one S(10), one S(9), and two equivalent S(5) atoms to form CuS4 tetrahedra that share  a cornercorner with one Sn(1)S4 tetrahedra, corners with two equivalent Cu(4)S4 tetrahedra, corners with two equivalent Cu(5)S4 tetrahedra, corners with three equivalent Sn(3)S4 tetrahedra, and corners with four equivalent Zn(1)S4 tetrahedra. There are two inequivalent Hg sites. In the first Hg site, Hg(1) is bonded to one S(2), one S(4), one S(6), and one S(8) atom to form HgS4 tetrahedra that share  a cornercorner with one Cu(3)S4 tetrahedra,  a cornercorner with one Cu(4)S4 tetrahedra, corners with two equivalent Sn(1)S4 tetrahedra, corners with two equivalent Sn(2)S4 tetrahedra, corners with three equivalent Cu(1)S4 tetrahedra, and corners with three equivalent Cu(2)S4 tetrahedra. In the second Hg site, Hg(2) is bonded to two equivalent S(3) and two equivalent S(7) atoms to form HgS4 tetrahedra that share corners with two equivalent Cu(1)S4 tetrahedra, corners with four equivalent Sn(2)S4 tetrahedra, and corners with six equivalent Cu(3)S4 tetrahedra. Zn(1) is bonded to one S(1), one S(10), one S(5), and one S(9) atom to form ZnS4 tetrahedra that share  a cornercorner with one Cu(2)S4 tetrahedra, corners with two equivalent Sn(1)S4 tetrahedra, corners with two equivalent Sn(3)S4 tetrahedra, corners with three equivalent Cu(4)S4 tetrahedra, and corners with four equivalent Cu(5)S4 tetrahedra. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one S(1), one S(4), one S(6), and one S(9) atom to form SnS4 tetrahedra that share  a cornercorner with one Cu(1)S4 tetrahedra,  a cornercorner with one Cu(5)S4 tetrahedra, corners with two equivalent Hg(1)S4 tetrahedra, corners with two equivalent Zn(1)S4 tetrahedra, corners with three equivalent Cu(2)S4 tetrahedra, and corners with three equivalent Cu(4)S4 tetrahedra. In the second Sn site, Sn(2) is bonded to one S(2), one S(3), one S(7), and one S(8) atom to form SnS4 tetrahedra that share  a cornercorner with one Cu(2)S4 tetrahedra, corners with two equivalent Hg(1)S4 tetrahedra, corners with two equivalent Hg(2)S4 tetrahedra, corners with three equivalent Cu(1)S4 tetrahedra, and corners with four equivalent Cu(3)S4 tetrahedra. In the third Sn site, Sn(3) is bonded to two equivalent S(10) and two equivalent S(5) atoms to form SnS4 tetrahedra that share corners with two equivalent Cu(4)S4 tetrahedra, corners with four equivalent Zn(1)S4 tetrahedra, and corners with six equivalent Cu(5)S4 tetrahedra. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Cu(2), one Cu(4), one Zn(1), and one Sn(1) atom to form SZnCu2Sn tetrahedra that share  a cornercorner with one S(8)Cu2SnHg tetrahedra,  a cornercorner with one S(5)ZnCu2Sn tetrahedra, corners with two equivalent S(6)Cu2SnHg tetrahedra, corners with two equivalent S(10)ZnCu2Sn tetrahedra, corners with three equivalent S(4)Cu2SnHg tetrahedra, and corners with three equivalent S(9)ZnCu2Sn tetrahedra. In the second S site, S(2) is bonded to one Cu(1), one Cu(3), one Hg(1), and one Sn(2) atom to form corner-sharing SCu2SnHg tetrahedra. In the third S site, S(3) is bonded to one Cu(1), one Cu(3), one Hg(2), and one Sn(2) atom to form corner-sharing SCu2SnHg tetrahedra. In the fourth S site, S(4) is bonded to one Cu(2), one Cu(4), one Hg(1), and one Sn(1) atom to form SCu2SnHg tetrahedra that share  a cornercorner with one S(2)Cu2SnHg tetrahedra,  a cornercorner with one S(10)ZnCu2Sn tetrahedra, corners with two equivalent S(8)Cu2SnHg tetrahedra, corners with two equivalent S(9)ZnCu2Sn tetrahedra, corners with three equivalent S(6)Cu2SnHg tetrahedra, and corners with three equivalent S(1)ZnCu2Sn tetrahedra. In the fifth S site, S(5) is bonded to two equivalent Cu(5), one Zn(1), and one Sn(3) atom to form corner-sharing SZnCu2Sn tetrahedra. In the sixth S site, S(6) is bonded to one Cu(1), one Cu(2), one Hg(1), and one Sn(1) atom to form SCu2SnHg tetrahedra that share  a cornercorner with one S(3)Cu2SnHg tetrahedra,  a cornercorner with one S(9)ZnCu2Sn tetrahedra, corners with two equivalent S(2)Cu2SnHg tetrahedra, corners with two equivalent S(1)ZnCu2Sn tetrahedra, corners with three equivalent S(4)Cu2SnHg tetrahedra, and corners with three equivalent S(8)Cu2SnHg tetrahedra. In the seventh S site, S(7) is bonded to two equivalent Cu(3), one Hg(2), and one Sn(2) atom to form corner-sharing SCu2SnHg tetrahedra. In the eighth S site, S(8) is bonded to one Cu(1), one Cu(2), one Hg(1), and one Sn(2) atom to form SCu2SnHg tetrahedra that share  a cornercorner with one S(7)Cu2SnHg tetrahedra,  a cornercorner with one S(1)ZnCu2Sn tetrahedra, corners with two equivalent S(3)Cu2SnHg tetrahedra, corners with two equivalent S(4)Cu2SnHg tetrahedra, corners with three equivalent S(2)Cu2SnHg tetrahedra, and corners with three equivalent S(6)Cu2SnHg tetrahedra. In the ninth S site, S(9) is bonded to one Cu(4), one Cu(5), one Zn(1), and one Sn(1) atom to form SZnCu2Sn tetrahedra that share  a cornercorner with one S(6)Cu2SnHg tetrahedra, corners with two equivalent S(4)Cu2SnHg tetrahedra, corners with three equivalent S(1)ZnCu2Sn tetrahedra, corners with three equivalent S(10)ZnCu2Sn tetrahedra, and corners with three equivalent S(5)ZnCu2Sn tetrahedra. In the tenth S site, S(10) is bonded to one Cu(4), one Cu(5), one Zn(1), and one Sn(3) atom to form SZnCu2Sn tetrahedra that share  a cornercorner with one S(4)Cu2SnHg tetrahedra,  a cornercorner with one S(10)ZnCu2Sn tetrahedra, corners with two equivalent S(1)ZnCu2Sn tetrahedra, corners with three equivalent S(9)ZnCu2Sn tetrahedra, and corners with five equivalent S(5)ZnCu2Sn tetrahedra. is represented by the CIF card [CIF]
data_Zn2Cu10Sn5Hg3S20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.775
_cell_length_b   6.775
_cell_length_c   24.879
_cell_angle_alpha   89.573
_cell_angle_beta   89.573
_cell_angle_gamma   48.407
_symmetry_Int_Tables_number   1
_cell_volume   853.982
_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
  Zn  Zn0  1  0.600  0.200  0.401  1.0
  Zn  Zn1  1  0.800  0.400  0.599  1.0
  Cu  Cu2  1  0.300  0.900  0.850  1.0
  Cu  Cu3  1  0.697  0.301  0.251  1.0
  Cu  Cu4  1  0.500  0.100  0.050  1.0
  Cu  Cu5  1  0.102  0.699  0.649  1.0
  Cu  Cu6  1  0.900  0.500  0.450  1.0
  Cu  Cu7  1  0.699  0.303  0.749  1.0
  Cu  Cu8  1  0.100  0.700  0.150  1.0
  Cu  Cu9  1  0.900  0.500  0.950  1.0
  Cu  Cu10  1  0.500  0.100  0.550  1.0
  Cu  Cu11  1  0.301  0.898  0.351  1.0
  Sn  Sn12  1  0.398  0.998  0.697  1.0
  Sn  Sn13  1  0.800  0.400  0.100  1.0
  Sn  Sn14  1  0.600  0.200  0.900  1.0
  Sn  Sn15  1  0.200  0.800  0.500  1.0
  Sn  Sn16  1  0.002  0.602  0.303  1.0
  Hg  Hg17  1  0.999  0.600  0.799  1.0
  Hg  Hg18  1  0.200  0.800  0.000  1.0
  Hg  Hg19  1  0.400  0.001  0.201  1.0
  S  S20  1  0.500  0.583  0.674  1.0
  S  S21  1  0.680  0.797  0.880  1.0
  S  S22  1  0.879  0.997  0.080  1.0
  S  S23  1  0.078  0.200  0.281  1.0
  S  S24  1  0.298  0.386  0.475  1.0
  S  S25  1  0.097  0.170  0.775  1.0
  S  S26  1  0.294  0.375  0.976  1.0
  S  S27  1  0.494  0.574  0.177  1.0
  S  S28  1  0.685  0.806  0.379  1.0
  S  S29  1  0.888  0.002  0.577  1.0
  S  S30  1  0.426  0.506  0.823  1.0
  S  S31  1  0.625  0.706  0.024  1.0
  S  S32  1  0.830  0.903  0.225  1.0
  S  S33  1  0.998  0.112  0.423  1.0
  S  S34  1  0.194  0.315  0.621  1.0
  S  S35  1  0.003  0.121  0.920  1.0
  S  S36  1  0.203  0.320  0.120  1.0
  S  S37  1  0.417  0.500  0.326  1.0
  S  S38  1  0.614  0.702  0.525  1.0
  S  S39  1  0.800  0.922  0.719  1.0
[/CIF]
.
The structure described by Cu10Hg3Zn2Sn5S20 is Clathrate-derived structured and crystallizes in the monoclinic C2 space group. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one S(2), one S(3), one S(6), and one S(8) atom to form CuS4 tetrahedra that share  a cornercorner with one Hg(2)S4 tetrahedra,  a cornercorner with one Sn(1)S4 tetrahedra, corners with two equivalent Cu(2)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with three equivalent Hg(1)S4 tetrahedra, and corners with three equivalent Sn(2)S4 tetrahedra. In the second Cu site, Cu(2) is bonded to one S(1), one S(4), one S(6), and one S(8) atom to form CuS4 tetrahedra that share  a cornercorner with one Zn(1)S4 tetrahedra,  a cornercorner with one Sn(2)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Cu(4)S4 tetrahedra, corners with three equivalent Hg(1)S4 tetrahedra, and corners with three equivalent Sn(1)S4 tetrahedra. In the third Cu site, Cu(3) is bonded to one S(2), one S(3), and two equivalent S(7) atoms to form CuS4 tetrahedra that share  a cornercorner with one Hg(1)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with three equivalent Hg(2)S4 tetrahedra, and corners with four equivalent Sn(2)S4 tetrahedra. In the fourth Cu site, Cu(4) is bonded to one S(1), one S(10), one S(4), and one S(9) atom to form CuS4 tetrahedra that share  a cornercorner with one Hg(1)S4 tetrahedra,  a cornercorner with one Sn(3)S4 tetrahedra, corners with two equivalent Cu(2)S4 tetrahedra, corners with two equivalent Cu(5)S4 tetrahedra, corners with three equivalent Zn(1)S4 tetrahedra, and corners with three equivalent Sn(1)S4 tetrahedra. In the fifth Cu site, Cu(5) is bonded to one S(10), one S(9), and two equivalent S(5) atoms to form CuS4 tetrahedra that share  a cornercorner with one Sn(1)S4 tetrahedra, corners with two equivalent Cu(4)S4 tetrahedra, corners with two equivalent Cu(5)S4 tetrahedra, corners with three equivalent Sn(3)S4 tetrahedra, and corners with four equivalent Zn(1)S4 tetrahedra. There are two inequivalent Hg sites. In the first Hg site, Hg(1) is bonded to one S(2), one S(4), one S(6), and one S(8) atom to form HgS4 tetrahedra that share  a cornercorner with one Cu(3)S4 tetrahedra,  a cornercorner with one Cu(4)S4 tetrahedra, corners with two equivalent Sn(1)S4 tetrahedra, corners with two equivalent Sn(2)S4 tetrahedra, corners with three equivalent Cu(1)S4 tetrahedra, and corners with three equivalent Cu(2)S4 tetrahedra. In the second Hg site, Hg(2) is bonded to two equivalent S(3) and two equivalent S(7) atoms to form HgS4 tetrahedra that share corners with two equivalent Cu(1)S4 tetrahedra, corners with four equivalent Sn(2)S4 tetrahedra, and corners with six equivalent Cu(3)S4 tetrahedra. Zn(1) is bonded to one S(1), one S(10), one S(5), and one S(9) atom to form ZnS4 tetrahedra that share  a cornercorner with one Cu(2)S4 tetrahedra, corners with two equivalent Sn(1)S4 tetrahedra, corners with two equivalent Sn(3)S4 tetrahedra, corners with three equivalent Cu(4)S4 tetrahedra, and corners with four equivalent Cu(5)S4 tetrahedra. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one S(1), one S(4), one S(6), and one S(9) atom to form SnS4 tetrahedra that share  a cornercorner with one Cu(1)S4 tetrahedra,  a cornercorner with one Cu(5)S4 tetrahedra, corners with two equivalent Hg(1)S4 tetrahedra, corners with two equivalent Zn(1)S4 tetrahedra, corners with three equivalent Cu(2)S4 tetrahedra, and corners with three equivalent Cu(4)S4 tetrahedra. In the second Sn site, Sn(2) is bonded to one S(2), one S(3), one S(7), and one S(8) atom to form SnS4 tetrahedra that share  a cornercorner with one Cu(2)S4 tetrahedra, corners with two equivalent Hg(1)S4 tetrahedra, corners with two equivalent Hg(2)S4 tetrahedra, corners with three equivalent Cu(1)S4 tetrahedra, and corners with four equivalent Cu(3)S4 tetrahedra. In the third Sn site, Sn(3) is bonded to two equivalent S(10) and two equivalent S(5) atoms to form SnS4 tetrahedra that share corners with two equivalent Cu(4)S4 tetrahedra, corners with four equivalent Zn(1)S4 tetrahedra, and corners with six equivalent Cu(5)S4 tetrahedra. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Cu(2), one Cu(4), one Zn(1), and one Sn(1) atom to form SZnCu2Sn tetrahedra that share  a cornercorner with one S(8)Cu2SnHg tetrahedra,  a cornercorner with one S(5)ZnCu2Sn tetrahedra, corners with two equivalent S(6)Cu2SnHg tetrahedra, corners with two equivalent S(10)ZnCu2Sn tetrahedra, corners with three equivalent S(4)Cu2SnHg tetrahedra, and corners with three equivalent S(9)ZnCu2Sn tetrahedra. In the second S site, S(2) is bonded to one Cu(1), one Cu(3), one Hg(1), and one Sn(2) atom to form corner-sharing SCu2SnHg tetrahedra. In the third S site, S(3) is bonded to one Cu(1), one Cu(3), one Hg(2), and one Sn(2) atom to form corner-sharing SCu2SnHg tetrahedra. In the fourth S site, S(4) is bonded to one Cu(2), one Cu(4), one Hg(1), and one Sn(1) atom to form SCu2SnHg tetrahedra that share  a cornercorner with one S(2)Cu2SnHg tetrahedra,  a cornercorner with one S(10)ZnCu2Sn tetrahedra, corners with two equivalent S(8)Cu2SnHg tetrahedra, corners with two equivalent S(9)ZnCu2Sn tetrahedra, corners with three equivalent S(6)Cu2SnHg tetrahedra, and corners with three equivalent S(1)ZnCu2Sn tetrahedra. In the fifth S site, S(5) is bonded to two equivalent Cu(5), one Zn(1), and one Sn(3) atom to form corner-sharing SZnCu2Sn tetrahedra. In the sixth S site, S(6) is bonded to one Cu(1), one Cu(2), one Hg(1), and one Sn(1) atom to form SCu2SnHg tetrahedra that share  a cornercorner with one S(3)Cu2SnHg tetrahedra,  a cornercorner with one S(9)ZnCu2Sn tetrahedra, corners with two equivalent S(2)Cu2SnHg tetrahedra, corners with two equivalent S(1)ZnCu2Sn tetrahedra, corners with three equivalent S(4)Cu2SnHg tetrahedra, and corners with three equivalent S(8)Cu2SnHg tetrahedra. In the seventh S site, S(7) is bonded to two equivalent Cu(3), one Hg(2), and one Sn(2) atom to form corner-sharing SCu2SnHg tetrahedra. In the eighth S site, S(8) is bonded to one Cu(1), one Cu(2), one Hg(1), and one Sn(2) atom to form SCu2SnHg tetrahedra that share  a cornercorner with one S(7)Cu2SnHg tetrahedra,  a cornercorner with one S(1)ZnCu2Sn tetrahedra, corners with two equivalent S(3)Cu2SnHg tetrahedra, corners with two equivalent S(4)Cu2SnHg tetrahedra, corners with three equivalent S(2)Cu2SnHg tetrahedra, and corners with three equivalent S(6)Cu2SnHg tetrahedra. In the ninth S site, S(9) is bonded to one Cu(4), one Cu(5), one Zn(1), and one Sn(1) atom to form SZnCu2Sn tetrahedra that share  a cornercorner with one S(6)Cu2SnHg tetrahedra, corners with two equivalent S(4)Cu2SnHg tetrahedra, corners with three equivalent S(1)ZnCu2Sn tetrahedra, corners with three equivalent S(10)ZnCu2Sn tetrahedra, and corners with three equivalent S(5)ZnCu2Sn tetrahedra. In the tenth S site, S(10) is bonded to one Cu(4), one Cu(5), one Zn(1), and one Sn(3) atom to form SZnCu2Sn tetrahedra that share  a cornercorner with one S(4)Cu2SnHg tetrahedra,  a cornercorner with one S(10)ZnCu2Sn tetrahedra, corners with two equivalent S(1)ZnCu2Sn tetrahedra, corners with three equivalent S(9)ZnCu2Sn tetrahedra, and corners with five equivalent S(5)ZnCu2Sn tetrahedra. is represented by the CIF card [CIF]
data_Zn2Cu10Sn5Hg3S20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.775
_cell_length_b   6.775
_cell_length_c   24.879
_cell_angle_alpha   89.573
_cell_angle_beta   89.573
_cell_angle_gamma   48.407
_symmetry_Int_Tables_number   1
_cell_volume   853.982
_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
  Zn  Zn0  1  0.600  0.200  0.401  1.0
  Zn  Zn1  1  0.800  0.400  0.599  1.0
  Cu  Cu2  1  0.300  0.900  0.850  1.0
  Cu  Cu3  1  0.697  0.301  0.251  1.0
  Cu  Cu4  1  0.500  0.100  0.050  1.0
  Cu  Cu5  1  0.102  0.699  0.649  1.0
  Cu  Cu6  1  0.900  0.500  0.450  1.0
  Cu  Cu7  1  0.699  0.303  0.749  1.0
  Cu  Cu8  1  0.100  0.700  0.150  1.0
  Cu  Cu9  1  0.900  0.500  0.950  1.0
  Cu  Cu10  1  0.500  0.100  0.550  1.0
  Cu  Cu11  1  0.301  0.898  0.351  1.0
  Sn  Sn12  1  0.398  0.998  0.697  1.0
  Sn  Sn13  1  0.800  0.400  0.100  1.0
  Sn  Sn14  1  0.600  0.200  0.900  1.0
  Sn  Sn15  1  0.200  0.800  0.500  1.0
  Sn  Sn16  1  0.002  0.602  0.303  1.0
  Hg  Hg17  1  0.999  0.600  0.799  1.0
  Hg  Hg18  1  0.200  0.800  0.000  1.0
  Hg  Hg19  1  0.400  0.001  0.201  1.0
  S  S20  1  0.500  0.583  0.674  1.0
  S  S21  1  0.680  0.797  0.880  1.0
  S  S22  1  0.879  0.997  0.080  1.0
  S  S23  1  0.078  0.200  0.281  1.0
  S  S24  1  0.298  0.386  0.475  1.0
  S  S25  1  0.097  0.170  0.775  1.0
  S  S26  1  0.294  0.375  0.976  1.0
  S  S27  1  0.494  0.574  0.177  1.0
  S  S28  1  0.685  0.806  0.379  1.0
  S  S29  1  0.888  0.002  0.577  1.0
  S  S30  1  0.426  0.506  0.823  1.0
  S  S31  1  0.625  0.706  0.024  1.0
  S  S32  1  0.830  0.903  0.225  1.0
  S  S33  1  0.998  0.112  0.423  1.0
  S  S34  1  0.194  0.315  0.621  1.0
  S  S35  1  0.003  0.121  0.920  1.0
  S  S36  1  0.203  0.320  0.120  1.0
  S  S37  1  0.417  0.500  0.326  1.0
  S  S38  1  0.614  0.702  0.525  1.0
  S  S39  1  0.800  0.922  0.719  1.0
[/CIF]
.