The crystal structure described by UCeZn17 crystallizes in the trigonal R3m space group. U(1) is bonded in a 19-coordinate geometry to one Zn(6), three equivalent Zn(3), three equivalent Zn(4), six equivalent Zn(1), and six equivalent Zn(2) atoms. Ce(1) is bonded in a 19-coordinate geometry to one Zn(5), three equivalent Zn(2), three equivalent Zn(4), six equivalent Zn(1), and six equivalent Zn(3) atoms. There are six inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 12-coordinate geometry to one U(1), one Ce(1), one Zn(5), one Zn(6), two equivalent Zn(1), two equivalent Zn(2), two equivalent Zn(3), and two equivalent Zn(4) atoms. In the second Zn site, Zn(2) is bonded in a 12-coordinate geometry to two equivalent U(1), one Ce(1), one Zn(6), two equivalent Zn(3), two equivalent Zn(4), and four equivalent Zn(1) atoms. In the third Zn site, Zn(3) is bonded to one U(1), two equivalent Ce(1), one Zn(5), two equivalent Zn(2), two equivalent Zn(4), and four equivalent Zn(1) atoms to form distorted ZnCe2UZn9 cuboctahedra that share corners with two equivalent Zn(3)Ce2UZn9 cuboctahedra, corners with five equivalent Zn(4)CeUZn10 cuboctahedra, edges with three equivalent Zn(4)CeUZn10 cuboctahedra, edges with four equivalent Zn(3)Ce2UZn9 cuboctahedra, faces with three equivalent Zn(4)CeUZn10 cuboctahedra, and faces with four equivalent Zn(3)Ce2UZn9 cuboctahedra. In the fourth Zn site, Zn(4) is bonded to one U(1), one Ce(1), one Zn(5), one Zn(6), two equivalent Zn(2), two equivalent Zn(3), and four equivalent Zn(1) atoms to form distorted ZnCeUZn10 cuboctahedra that share corners with four equivalent Zn(4)CeUZn10 cuboctahedra, corners with five equivalent Zn(3)Ce2UZn9 cuboctahedra, edges with three equivalent Zn(3)Ce2UZn9 cuboctahedra, faces with three equivalent Zn(3)Ce2UZn9 cuboctahedra, and faces with four equivalent Zn(4)CeUZn10 cuboctahedra. In the fifth Zn site, Zn(5) is bonded in a 14-coordinate geometry to one Ce(1), one Zn(6), three equivalent Zn(3), three equivalent Zn(4), and six equivalent Zn(1) atoms. In the sixth Zn site, Zn(6) is bonded in a 14-coordinate geometry to one U(1), one Zn(5), three equivalent Zn(2), three equivalent Zn(4), and six equivalent Zn(1) atoms. is represented by the CIF file [CIF]
data_CeUZn17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.827
_cell_length_b   6.827
_cell_length_c   6.827
_cell_angle_alpha   82.303
_cell_angle_beta   82.303
_cell_angle_gamma   82.303
_symmetry_Int_Tables_number   1
_cell_volume   310.230
_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
  Ce  Ce0  1  0.664  0.664  0.664  1.0
  U  U1  1  0.335  0.335  0.335  1.0
  Zn  Zn2  1  0.297  0.702  0.001  1.0
  Zn  Zn3  1  0.702  0.001  0.297  1.0
  Zn  Zn4  1  0.001  0.297  0.702  1.0
  Zn  Zn5  1  0.297  0.001  0.702  1.0
  Zn  Zn6  1  0.001  0.702  0.297  1.0
  Zn  Zn7  1  0.702  0.297  0.001  1.0
  Zn  Zn8  1  0.841  0.351  0.351  1.0
  Zn  Zn9  1  0.351  0.351  0.841  1.0
  Zn  Zn10  1  0.351  0.841  0.351  1.0
  Zn  Zn11  1  0.161  0.647  0.647  1.0
  Zn  Zn12  1  0.647  0.647  0.161  1.0
  Zn  Zn13  1  0.647  0.161  0.647  1.0
  Zn  Zn14  1  0.001  0.001  0.499  1.0
  Zn  Zn15  1  0.001  0.499  0.001  1.0
  Zn  Zn16  1  0.499  0.001  0.001  1.0
  Zn  Zn17  1  0.900  0.900  0.900  1.0
  Zn  Zn18  1  0.102  0.102  0.102  1.0
[/CIF]
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The crystal structure described by UCeZn17 crystallizes in the trigonal R3m space group. U(1) is bonded in a 19-coordinate geometry to one Zn(6), three equivalent Zn(3), three equivalent Zn(4), six equivalent Zn(1), and six equivalent Zn(2) atoms. Ce(1) is bonded in a 19-coordinate geometry to one Zn(5), three equivalent Zn(2), three equivalent Zn(4), six equivalent Zn(1), and six equivalent Zn(3) atoms. There are six inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 12-coordinate geometry to one U(1), one Ce(1), one Zn(5), one Zn(6), two equivalent Zn(1), two equivalent Zn(2), two equivalent Zn(3), and two equivalent Zn(4) atoms. In the second Zn site, Zn(2) is bonded in a 12-coordinate geometry to two equivalent U(1), one Ce(1), one Zn(6), two equivalent Zn(3), two equivalent Zn(4), and four equivalent Zn(1) atoms. In the third Zn site, Zn(3) is bonded to one U(1), two equivalent Ce(1), one Zn(5), two equivalent Zn(2), two equivalent Zn(4), and four equivalent Zn(1) atoms to form distorted ZnCe2UZn9 cuboctahedra that share corners with two equivalent Zn(3)Ce2UZn9 cuboctahedra, corners with five equivalent Zn(4)CeUZn10 cuboctahedra, edges with three equivalent Zn(4)CeUZn10 cuboctahedra, edges with four equivalent Zn(3)Ce2UZn9 cuboctahedra, faces with three equivalent Zn(4)CeUZn10 cuboctahedra, and faces with four equivalent Zn(3)Ce2UZn9 cuboctahedra. In the fourth Zn site, Zn(4) is bonded to one U(1), one Ce(1), one Zn(5), one Zn(6), two equivalent Zn(2), two equivalent Zn(3), and four equivalent Zn(1) atoms to form distorted ZnCeUZn10 cuboctahedra that share corners with four equivalent Zn(4)CeUZn10 cuboctahedra, corners with five equivalent Zn(3)Ce2UZn9 cuboctahedra, edges with three equivalent Zn(3)Ce2UZn9 cuboctahedra, faces with three equivalent Zn(3)Ce2UZn9 cuboctahedra, and faces with four equivalent Zn(4)CeUZn10 cuboctahedra. In the fifth Zn site, Zn(5) is bonded in a 14-coordinate geometry to one Ce(1), one Zn(6), three equivalent Zn(3), three equivalent Zn(4), and six equivalent Zn(1) atoms. In the sixth Zn site, Zn(6) is bonded in a 14-coordinate geometry to one U(1), one Zn(5), three equivalent Zn(2), three equivalent Zn(4), and six equivalent Zn(1) atoms. is represented by the CIF file [CIF]
data_CeUZn17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.827
_cell_length_b   6.827
_cell_length_c   6.827
_cell_angle_alpha   82.303
_cell_angle_beta   82.303
_cell_angle_gamma   82.303
_symmetry_Int_Tables_number   1
_cell_volume   310.230
_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
  Ce  Ce0  1  0.664  0.664  0.664  1.0
  U  U1  1  0.335  0.335  0.335  1.0
  Zn  Zn2  1  0.297  0.702  0.001  1.0
  Zn  Zn3  1  0.702  0.001  0.297  1.0
  Zn  Zn4  1  0.001  0.297  0.702  1.0
  Zn  Zn5  1  0.297  0.001  0.702  1.0
  Zn  Zn6  1  0.001  0.702  0.297  1.0
  Zn  Zn7  1  0.702  0.297  0.001  1.0
  Zn  Zn8  1  0.841  0.351  0.351  1.0
  Zn  Zn9  1  0.351  0.351  0.841  1.0
  Zn  Zn10  1  0.351  0.841  0.351  1.0
  Zn  Zn11  1  0.161  0.647  0.647  1.0
  Zn  Zn12  1  0.647  0.647  0.161  1.0
  Zn  Zn13  1  0.647  0.161  0.647  1.0
  Zn  Zn14  1  0.001  0.001  0.499  1.0
  Zn  Zn15  1  0.001  0.499  0.001  1.0
  Zn  Zn16  1  0.499  0.001  0.001  1.0
  Zn  Zn17  1  0.900  0.900  0.900  1.0
  Zn  Zn18  1  0.102  0.102  0.102  1.0
[/CIF]
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