The compound described by Fe4Cu10Cd(SnSe4)5 is Clathrate-derived structured and crystallizes in the tetragonal I-4 space group. Fe(1) is bonded to one Se(1), one Se(2), one Se(4), and one Se(5) atom to form FeSe4 tetrahedra that share  a cornercorner with one Cu(2)Se4 tetrahedra,  a cornercorner with one Cu(3)Se4 tetrahedra,  a cornercorner with one Sn(2)Se4 tetrahedra, corners with three equivalent Cu(1)Se4 tetrahedra, corners with three equivalent Cu(4)Se4 tetrahedra, and corners with three equivalent Sn(1)Se4 tetrahedra. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Se(1), one Se(2), one Se(3), and one Se(5) atom to form CuSe4 tetrahedra that share  a cornercorner with one Cu(3)Se4 tetrahedra,  a cornercorner with one Cd(1)Se4 tetrahedra,  a cornercorner with one Sn(2)Se4 tetrahedra, corners with three equivalent Fe(1)Se4 tetrahedra, corners with three equivalent Cu(4)Se4 tetrahedra, and corners with three equivalent Sn(1)Se4 tetrahedra. In the second Cu site, Cu(2) is bonded to four equivalent Se(4) atoms to form CuSe4 tetrahedra that share corners with four equivalent Fe(1)Se4 tetrahedra, corners with four equivalent Cu(4)Se4 tetrahedra, and corners with four equivalent Sn(1)Se4 tetrahedra. In the third Cu site, Cu(3) is bonded to four equivalent Se(1) atoms to form CuSe4 tetrahedra that share corners with four equivalent Fe(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Sn(1)Se4 tetrahedra. In the fourth Cu site, Cu(4) is bonded to one Se(2), one Se(3), one Se(4), and one Se(5) atom to form CuSe4 tetrahedra that share  a cornercorner with one Cu(2)Se4 tetrahedra,  a cornercorner with one Cd(1)Se4 tetrahedra,  a cornercorner with one Sn(2)Se4 tetrahedra, corners with three equivalent Fe(1)Se4 tetrahedra, corners with three equivalent Cu(1)Se4 tetrahedra, and corners with three equivalent Sn(1)Se4 tetrahedra. Cd(1) is bonded to four equivalent Se(3) atoms to form CdSe4 tetrahedra that share corners with four equivalent Cu(1)Se4 tetrahedra, corners with four equivalent Cu(4)Se4 tetrahedra, and corners with four equivalent Sn(1)Se4 tetrahedra. There are two inequivalent Sn sites. In the first Sn site, Sn(2) is bonded to four equivalent Se(2) atoms to form SnSe4 tetrahedra that share corners with four equivalent Fe(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Cu(4)Se4 tetrahedra. In the second Sn site, Sn(1) is bonded to one Se(1), one Se(3), one Se(4), and one Se(5) atom to form SnSe4 tetrahedra that share  a cornercorner with one Cu(2)Se4 tetrahedra,  a cornercorner with one Cu(3)Se4 tetrahedra,  a cornercorner with one Cd(1)Se4 tetrahedra, corners with three equivalent Fe(1)Se4 tetrahedra, corners with three equivalent Cu(1)Se4 tetrahedra, and corners with three equivalent Cu(4)Se4 tetrahedra. There are five inequivalent Se sites. In the first Se site, Se(1) is bonded to one Fe(1), one Cu(1), one Cu(3), and one Sn(1) atom to form SeFeCu2Sn tetrahedra that share corners with two equivalent Se(3)CdCu2Sn tetrahedra, corners with two equivalent Se(2)FeCu2Sn tetrahedra, corners with two equivalent Se(4)FeCu2Sn tetrahedra, corners with three equivalent Se(1)FeCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the second Se site, Se(2) is bonded to one Fe(1), one Cu(1), one Cu(4), and one Sn(2) atom to form SeFeCu2Sn tetrahedra that share corners with two equivalent Se(3)CdCu2Sn tetrahedra, corners with two equivalent Se(1)FeCu2Sn tetrahedra, corners with two equivalent Se(4)FeCu2Sn tetrahedra, corners with three equivalent Se(2)FeCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the third Se site, Se(3) is bonded to one Cu(1), one Cu(4), one Cd(1), and one Sn(1) atom to form SeCdCu2Sn tetrahedra that share corners with two equivalent Se(1)FeCu2Sn tetrahedra, corners with two equivalent Se(2)FeCu2Sn tetrahedra, corners with two equivalent Se(4)FeCu2Sn tetrahedra, corners with three equivalent Se(3)CdCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the fourth Se site, Se(4) is bonded to one Fe(1), one Cu(2), one Cu(4), and one Sn(1) atom to form SeFeCu2Sn tetrahedra that share corners with two equivalent Se(3)CdCu2Sn tetrahedra, corners with two equivalent Se(1)FeCu2Sn tetrahedra, corners with two equivalent Se(2)FeCu2Sn tetrahedra, corners with three equivalent Se(4)FeCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the fifth Se site, Se(5) is bonded to one Fe(1), one Cu(1), one Cu(4), and one Sn(1) atom to form SeFeCu2Sn tetrahedra that share corners with three equivalent Se(3)CdCu2Sn tetrahedra, corners with three equivalent Se(1)FeCu2Sn tetrahedra, corners with three equivalent Se(2)FeCu2Sn tetrahedra, and corners with three equivalent Se(4)FeCu2Sn tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_CdFe4Cu10(SnSe4)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.791
_cell_length_b   10.791
_cell_length_c   10.791
_cell_angle_alpha   106.191
_cell_angle_beta   106.191
_cell_angle_gamma   116.253
_symmetry_Int_Tables_number   1
_cell_volume   956.943
_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
  Cd  Cd0  1  0.000  0.000  0.000  1.0
  Fe  Fe1  1  0.200  0.400  0.600  1.0
  Fe  Fe2  1  0.399  0.800  0.200  1.0
  Fe  Fe3  1  0.600  0.200  0.800  1.0
  Fe  Fe4  1  0.800  0.601  0.400  1.0
  Cu  Cu5  1  0.850  0.949  0.303  1.0
  Cu  Cu6  1  0.250  0.750  0.500  1.0
  Cu  Cu7  1  0.646  0.547  0.697  1.0
  Cu  Cu8  1  0.051  0.354  0.901  1.0
  Cu  Cu9  1  0.453  0.150  0.099  1.0
  Cu  Cu10  1  0.750  0.250  0.500  1.0
  Cu  Cu11  1  0.152  0.050  0.698  1.0
  Cu  Cu12  1  0.546  0.848  0.897  1.0
  Cu  Cu13  1  0.950  0.648  0.103  1.0
  Cu  Cu14  1  0.352  0.454  0.302  1.0
  Sn  Sn15  1  0.697  0.898  0.598  1.0
  Sn  Sn16  1  0.102  0.699  0.798  1.0
  Sn  Sn17  1  0.500  0.500  0.000  1.0
  Sn  Sn18  1  0.901  0.303  0.202  1.0
  Sn  Sn19  1  0.301  0.099  0.402  1.0
  Se  Se20  1  0.593  0.285  0.613  1.0
  Se  Se21  1  0.794  0.687  0.215  1.0
  Se  Se22  1  0.992  0.094  0.797  1.0
  Se  Se23  1  0.195  0.487  0.415  1.0
  Se  Se24  1  0.392  0.886  0.014  1.0
  Se  Se25  1  0.297  0.195  0.203  1.0
  Se  Se26  1  0.472  0.580  0.785  1.0
  Se  Se27  1  0.671  0.979  0.387  1.0
  Se  Se28  1  0.871  0.378  0.986  1.0
  Se  Se29  1  0.072  0.780  0.585  1.0
  Se  Se30  1  0.313  0.528  0.107  1.0
  Se  Se31  1  0.513  0.928  0.707  1.0
  Se  Se32  1  0.715  0.329  0.308  1.0
  Se  Se33  1  0.906  0.703  0.898  1.0
  Se  Se34  1  0.114  0.129  0.506  1.0
  Se  Se35  1  0.420  0.206  0.893  1.0
  Se  Se36  1  0.622  0.608  0.494  1.0
  Se  Se37  1  0.805  0.008  0.102  1.0
  Se  Se38  1  0.021  0.407  0.692  1.0
  Se  Se39  1  0.220  0.805  0.293  1.0
[/CIF]
.
The compound described by Fe4Cu10Cd(SnSe4)5 is Clathrate-derived structured and crystallizes in the tetragonal I-4 space group. Fe(1) is bonded to one Se(1), one Se(2), one Se(4), and one Se(5) atom to form FeSe4 tetrahedra that share  a cornercorner with one Cu(2)Se4 tetrahedra,  a cornercorner with one Cu(3)Se4 tetrahedra,  a cornercorner with one Sn(2)Se4 tetrahedra, corners with three equivalent Cu(1)Se4 tetrahedra, corners with three equivalent Cu(4)Se4 tetrahedra, and corners with three equivalent Sn(1)Se4 tetrahedra. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Se(1), one Se(2), one Se(3), and one Se(5) atom to form CuSe4 tetrahedra that share  a cornercorner with one Cu(3)Se4 tetrahedra,  a cornercorner with one Cd(1)Se4 tetrahedra,  a cornercorner with one Sn(2)Se4 tetrahedra, corners with three equivalent Fe(1)Se4 tetrahedra, corners with three equivalent Cu(4)Se4 tetrahedra, and corners with three equivalent Sn(1)Se4 tetrahedra. In the second Cu site, Cu(2) is bonded to four equivalent Se(4) atoms to form CuSe4 tetrahedra that share corners with four equivalent Fe(1)Se4 tetrahedra, corners with four equivalent Cu(4)Se4 tetrahedra, and corners with four equivalent Sn(1)Se4 tetrahedra. In the third Cu site, Cu(3) is bonded to four equivalent Se(1) atoms to form CuSe4 tetrahedra that share corners with four equivalent Fe(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Sn(1)Se4 tetrahedra. In the fourth Cu site, Cu(4) is bonded to one Se(2), one Se(3), one Se(4), and one Se(5) atom to form CuSe4 tetrahedra that share  a cornercorner with one Cu(2)Se4 tetrahedra,  a cornercorner with one Cd(1)Se4 tetrahedra,  a cornercorner with one Sn(2)Se4 tetrahedra, corners with three equivalent Fe(1)Se4 tetrahedra, corners with three equivalent Cu(1)Se4 tetrahedra, and corners with three equivalent Sn(1)Se4 tetrahedra. Cd(1) is bonded to four equivalent Se(3) atoms to form CdSe4 tetrahedra that share corners with four equivalent Cu(1)Se4 tetrahedra, corners with four equivalent Cu(4)Se4 tetrahedra, and corners with four equivalent Sn(1)Se4 tetrahedra. There are two inequivalent Sn sites. In the first Sn site, Sn(2) is bonded to four equivalent Se(2) atoms to form SnSe4 tetrahedra that share corners with four equivalent Fe(1)Se4 tetrahedra, corners with four equivalent Cu(1)Se4 tetrahedra, and corners with four equivalent Cu(4)Se4 tetrahedra. In the second Sn site, Sn(1) is bonded to one Se(1), one Se(3), one Se(4), and one Se(5) atom to form SnSe4 tetrahedra that share  a cornercorner with one Cu(2)Se4 tetrahedra,  a cornercorner with one Cu(3)Se4 tetrahedra,  a cornercorner with one Cd(1)Se4 tetrahedra, corners with three equivalent Fe(1)Se4 tetrahedra, corners with three equivalent Cu(1)Se4 tetrahedra, and corners with three equivalent Cu(4)Se4 tetrahedra. There are five inequivalent Se sites. In the first Se site, Se(1) is bonded to one Fe(1), one Cu(1), one Cu(3), and one Sn(1) atom to form SeFeCu2Sn tetrahedra that share corners with two equivalent Se(3)CdCu2Sn tetrahedra, corners with two equivalent Se(2)FeCu2Sn tetrahedra, corners with two equivalent Se(4)FeCu2Sn tetrahedra, corners with three equivalent Se(1)FeCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the second Se site, Se(2) is bonded to one Fe(1), one Cu(1), one Cu(4), and one Sn(2) atom to form SeFeCu2Sn tetrahedra that share corners with two equivalent Se(3)CdCu2Sn tetrahedra, corners with two equivalent Se(1)FeCu2Sn tetrahedra, corners with two equivalent Se(4)FeCu2Sn tetrahedra, corners with three equivalent Se(2)FeCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the third Se site, Se(3) is bonded to one Cu(1), one Cu(4), one Cd(1), and one Sn(1) atom to form SeCdCu2Sn tetrahedra that share corners with two equivalent Se(1)FeCu2Sn tetrahedra, corners with two equivalent Se(2)FeCu2Sn tetrahedra, corners with two equivalent Se(4)FeCu2Sn tetrahedra, corners with three equivalent Se(3)CdCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the fourth Se site, Se(4) is bonded to one Fe(1), one Cu(2), one Cu(4), and one Sn(1) atom to form SeFeCu2Sn tetrahedra that share corners with two equivalent Se(3)CdCu2Sn tetrahedra, corners with two equivalent Se(1)FeCu2Sn tetrahedra, corners with two equivalent Se(2)FeCu2Sn tetrahedra, corners with three equivalent Se(4)FeCu2Sn tetrahedra, and corners with three equivalent Se(5)FeCu2Sn tetrahedra. In the fifth Se site, Se(5) is bonded to one Fe(1), one Cu(1), one Cu(4), and one Sn(1) atom to form SeFeCu2Sn tetrahedra that share corners with three equivalent Se(3)CdCu2Sn tetrahedra, corners with three equivalent Se(1)FeCu2Sn tetrahedra, corners with three equivalent Se(2)FeCu2Sn tetrahedra, and corners with three equivalent Se(4)FeCu2Sn tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_CdFe4Cu10(SnSe4)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.791
_cell_length_b   10.791
_cell_length_c   10.791
_cell_angle_alpha   106.191
_cell_angle_beta   106.191
_cell_angle_gamma   116.253
_symmetry_Int_Tables_number   1
_cell_volume   956.943
_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
  Cd  Cd0  1  0.000  0.000  0.000  1.0
  Fe  Fe1  1  0.200  0.400  0.600  1.0
  Fe  Fe2  1  0.399  0.800  0.200  1.0
  Fe  Fe3  1  0.600  0.200  0.800  1.0
  Fe  Fe4  1  0.800  0.601  0.400  1.0
  Cu  Cu5  1  0.850  0.949  0.303  1.0
  Cu  Cu6  1  0.250  0.750  0.500  1.0
  Cu  Cu7  1  0.646  0.547  0.697  1.0
  Cu  Cu8  1  0.051  0.354  0.901  1.0
  Cu  Cu9  1  0.453  0.150  0.099  1.0
  Cu  Cu10  1  0.750  0.250  0.500  1.0
  Cu  Cu11  1  0.152  0.050  0.698  1.0
  Cu  Cu12  1  0.546  0.848  0.897  1.0
  Cu  Cu13  1  0.950  0.648  0.103  1.0
  Cu  Cu14  1  0.352  0.454  0.302  1.0
  Sn  Sn15  1  0.697  0.898  0.598  1.0
  Sn  Sn16  1  0.102  0.699  0.798  1.0
  Sn  Sn17  1  0.500  0.500  0.000  1.0
  Sn  Sn18  1  0.901  0.303  0.202  1.0
  Sn  Sn19  1  0.301  0.099  0.402  1.0
  Se  Se20  1  0.593  0.285  0.613  1.0
  Se  Se21  1  0.794  0.687  0.215  1.0
  Se  Se22  1  0.992  0.094  0.797  1.0
  Se  Se23  1  0.195  0.487  0.415  1.0
  Se  Se24  1  0.392  0.886  0.014  1.0
  Se  Se25  1  0.297  0.195  0.203  1.0
  Se  Se26  1  0.472  0.580  0.785  1.0
  Se  Se27  1  0.671  0.979  0.387  1.0
  Se  Se28  1  0.871  0.378  0.986  1.0
  Se  Se29  1  0.072  0.780  0.585  1.0
  Se  Se30  1  0.313  0.528  0.107  1.0
  Se  Se31  1  0.513  0.928  0.707  1.0
  Se  Se32  1  0.715  0.329  0.308  1.0
  Se  Se33  1  0.906  0.703  0.898  1.0
  Se  Se34  1  0.114  0.129  0.506  1.0
  Se  Se35  1  0.420  0.206  0.893  1.0
  Se  Se36  1  0.622  0.608  0.494  1.0
  Se  Se37  1  0.805  0.008  0.102  1.0
  Se  Se38  1  0.021  0.407  0.692  1.0
  Se  Se39  1  0.220  0.805  0.293  1.0
[/CIF]
.