The material described by Ce2AuCu11 crystallizes in the orthorhombic Pmc2_1 space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 19-coordinate geometry to two equivalent Au(1), one Cu(1), one Cu(3), one Cu(7), two equivalent Cu(2), two equivalent Cu(4), two equivalent Cu(6), two equivalent Cu(8), two equivalent Cu(9), and four equivalent Cu(5) atoms. In the second Ce site, Ce(2) is bonded in a 19-coordinate geometry to two equivalent Au(1), one Cu(2), one Cu(4), one Cu(8), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(5), two equivalent Cu(7), two equivalent Cu(9), and four equivalent Cu(6) atoms. Au(1) is bonded in a 14-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), one Cu(3), one Cu(7), two equivalent Cu(2), two equivalent Cu(4), and four equivalent Cu(5) atoms. There are nine inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Ce(1), two equivalent Ce(2), one Cu(7), two equivalent Cu(3), two equivalent Cu(9), and four equivalent Cu(6) atoms to form CuCe3Cu9 cuboctahedra that share corners with four equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, corners with six equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(1)Ce3Cu9 cuboctahedra, faces with two equivalent Cu(1)Ce3Cu9 cuboctahedra, and faces with eight equivalent Cu(6)Ce3Cu9 cuboctahedra. In the second Cu site, Cu(2) is bonded to one Ce(2), two equivalent Ce(1), two equivalent Au(1), one Cu(8), two equivalent Cu(4), and four equivalent Cu(5) atoms to form distorted CuCe3Cu7Au2 cuboctahedra that share corners with four equivalent Cu(1)Ce3Cu9 cuboctahedra, corners with six equivalent Cu(6)Ce3Cu9 cuboctahedra, edges with two equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(6)Ce3Cu9 cuboctahedra, faces with two equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, and faces with eight equivalent Cu(5)Ce3Cu7Au2 cuboctahedra. In the third Cu site, Cu(3) is bonded in a 1-coordinate geometry to one Ce(1), two equivalent Ce(2), one Au(1), two equivalent Cu(1), two equivalent Cu(6), and two equivalent Cu(9) atoms. In the fourth Cu site, Cu(4) is bonded in a 11-coordinate geometry to one Ce(2), two equivalent Ce(1), two equivalent Au(1), one Cu(8), one Cu(9), two equivalent Cu(2), and two equivalent Cu(5) atoms. In the fifth Cu site, Cu(5) is bonded to one Ce(2), two equivalent Ce(1), two equivalent Au(1), one Cu(4), one Cu(7), one Cu(8), two equivalent Cu(2), and two equivalent Cu(5) atoms to form distorted CuCe3Cu7Au2 cuboctahedra that share corners with three equivalent Cu(1)Ce3Cu9 cuboctahedra, corners with four equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, corners with four equivalent Cu(6)Ce3Cu9 cuboctahedra,  an edgeedge with one Cu(1)Ce3Cu9 cuboctahedra, edges with two equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(6)Ce3Cu9 cuboctahedra,  a faceface with one Cu(6)Ce3Cu9 cuboctahedra, faces with four equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, and faces with four equivalent Cu(5)Ce3Cu7Au2 cuboctahedra. In the sixth Cu site, Cu(6) is bonded to one Ce(1), two equivalent Ce(2), one Cu(3), one Cu(7), one Cu(8), two equivalent Cu(1), two equivalent Cu(6), and two equivalent Cu(9) atoms to form CuCe3Cu9 cuboctahedra that share corners with three equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, corners with four equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, corners with four equivalent Cu(6)Ce3Cu9 cuboctahedra,  an edgeedge with one Cu(2)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(6)Ce3Cu9 cuboctahedra,  a faceface with one Cu(5)Ce3Cu7Au2 cuboctahedra, faces with four equivalent Cu(1)Ce3Cu9 cuboctahedra, and faces with four equivalent Cu(6)Ce3Cu9 cuboctahedra. In the seventh Cu site, Cu(7) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(2), one Au(1), one Cu(1), two equivalent Cu(5), two equivalent Cu(6), and two equivalent Cu(8) atoms. In the eighth Cu site, Cu(8) is bonded in a 12-coordinate geometry to one Ce(2), two equivalent Ce(1), one Cu(2), one Cu(4), one Cu(9), two equivalent Cu(5), two equivalent Cu(6), and two equivalent Cu(7) atoms. In the ninth Cu site, Cu(9) is bonded in a 14-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), one Cu(4), one Cu(8), two equivalent Cu(1), two equivalent Cu(3), and four equivalent Cu(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce2Cu11Au
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.044
_cell_length_b   8.144
_cell_length_c   10.272
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   421.931
_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
  Ce  Ce0  1  0.500  0.240  0.813  1.0
  Ce  Ce1  1  0.500  0.740  0.187  1.0
  Ce  Ce2  1  0.000  0.760  0.683  1.0
  Ce  Ce3  1  0.000  0.260  0.317  1.0
  Cu  Cu4  1  0.500  0.684  0.499  1.0
  Cu  Cu5  1  0.500  0.184  0.501  1.0
  Cu  Cu6  1  0.000  0.315  0.998  1.0
  Cu  Cu7  1  0.000  0.815  0.002  1.0
  Cu  Cu8  1  0.500  0.945  0.644  1.0
  Cu  Cu9  1  0.500  0.445  0.356  1.0
  Cu  Cu10  1  0.000  0.060  0.848  1.0
  Cu  Cu11  1  0.000  0.560  0.152  1.0
  Cu  Cu12  1  0.750  0.065  0.063  1.0
  Cu  Cu13  1  0.250  0.565  0.937  1.0
  Cu  Cu14  1  0.243  0.934  0.440  1.0
  Cu  Cu15  1  0.757  0.434  0.560  1.0
  Cu  Cu16  1  0.757  0.934  0.440  1.0
  Cu  Cu17  1  0.243  0.434  0.560  1.0
  Cu  Cu18  1  0.250  0.065  0.063  1.0
  Cu  Cu19  1  0.750  0.565  0.937  1.0
  Cu  Cu20  1  0.500  0.590  0.732  1.0
  Cu  Cu21  1  0.500  0.090  0.268  1.0
  Cu  Cu22  1  0.000  0.404  0.764  1.0
  Cu  Cu23  1  0.000  0.904  0.236  1.0
  Cu  Cu24  1  0.000  0.644  0.390  1.0
  Cu  Cu25  1  0.000  0.144  0.610  1.0
  Au  Au26  1  0.500  0.360  0.111  1.0
  Au  Au27  1  0.500  0.860  0.889  1.0
[/CIF]
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The material described by Ce2AuCu11 crystallizes in the orthorhombic Pmc2_1 space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 19-coordinate geometry to two equivalent Au(1), one Cu(1), one Cu(3), one Cu(7), two equivalent Cu(2), two equivalent Cu(4), two equivalent Cu(6), two equivalent Cu(8), two equivalent Cu(9), and four equivalent Cu(5) atoms. In the second Ce site, Ce(2) is bonded in a 19-coordinate geometry to two equivalent Au(1), one Cu(2), one Cu(4), one Cu(8), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(5), two equivalent Cu(7), two equivalent Cu(9), and four equivalent Cu(6) atoms. Au(1) is bonded in a 14-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), one Cu(3), one Cu(7), two equivalent Cu(2), two equivalent Cu(4), and four equivalent Cu(5) atoms. There are nine inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Ce(1), two equivalent Ce(2), one Cu(7), two equivalent Cu(3), two equivalent Cu(9), and four equivalent Cu(6) atoms to form CuCe3Cu9 cuboctahedra that share corners with four equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, corners with six equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(1)Ce3Cu9 cuboctahedra, faces with two equivalent Cu(1)Ce3Cu9 cuboctahedra, and faces with eight equivalent Cu(6)Ce3Cu9 cuboctahedra. In the second Cu site, Cu(2) is bonded to one Ce(2), two equivalent Ce(1), two equivalent Au(1), one Cu(8), two equivalent Cu(4), and four equivalent Cu(5) atoms to form distorted CuCe3Cu7Au2 cuboctahedra that share corners with four equivalent Cu(1)Ce3Cu9 cuboctahedra, corners with six equivalent Cu(6)Ce3Cu9 cuboctahedra, edges with two equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(6)Ce3Cu9 cuboctahedra, faces with two equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, and faces with eight equivalent Cu(5)Ce3Cu7Au2 cuboctahedra. In the third Cu site, Cu(3) is bonded in a 1-coordinate geometry to one Ce(1), two equivalent Ce(2), one Au(1), two equivalent Cu(1), two equivalent Cu(6), and two equivalent Cu(9) atoms. In the fourth Cu site, Cu(4) is bonded in a 11-coordinate geometry to one Ce(2), two equivalent Ce(1), two equivalent Au(1), one Cu(8), one Cu(9), two equivalent Cu(2), and two equivalent Cu(5) atoms. In the fifth Cu site, Cu(5) is bonded to one Ce(2), two equivalent Ce(1), two equivalent Au(1), one Cu(4), one Cu(7), one Cu(8), two equivalent Cu(2), and two equivalent Cu(5) atoms to form distorted CuCe3Cu7Au2 cuboctahedra that share corners with three equivalent Cu(1)Ce3Cu9 cuboctahedra, corners with four equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, corners with four equivalent Cu(6)Ce3Cu9 cuboctahedra,  an edgeedge with one Cu(1)Ce3Cu9 cuboctahedra, edges with two equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(6)Ce3Cu9 cuboctahedra,  a faceface with one Cu(6)Ce3Cu9 cuboctahedra, faces with four equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, and faces with four equivalent Cu(5)Ce3Cu7Au2 cuboctahedra. In the sixth Cu site, Cu(6) is bonded to one Ce(1), two equivalent Ce(2), one Cu(3), one Cu(7), one Cu(8), two equivalent Cu(1), two equivalent Cu(6), and two equivalent Cu(9) atoms to form CuCe3Cu9 cuboctahedra that share corners with three equivalent Cu(2)Ce3Cu7Au2 cuboctahedra, corners with four equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, corners with four equivalent Cu(6)Ce3Cu9 cuboctahedra,  an edgeedge with one Cu(2)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(5)Ce3Cu7Au2 cuboctahedra, edges with two equivalent Cu(6)Ce3Cu9 cuboctahedra,  a faceface with one Cu(5)Ce3Cu7Au2 cuboctahedra, faces with four equivalent Cu(1)Ce3Cu9 cuboctahedra, and faces with four equivalent Cu(6)Ce3Cu9 cuboctahedra. In the seventh Cu site, Cu(7) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(2), one Au(1), one Cu(1), two equivalent Cu(5), two equivalent Cu(6), and two equivalent Cu(8) atoms. In the eighth Cu site, Cu(8) is bonded in a 12-coordinate geometry to one Ce(2), two equivalent Ce(1), one Cu(2), one Cu(4), one Cu(9), two equivalent Cu(5), two equivalent Cu(6), and two equivalent Cu(7) atoms. In the ninth Cu site, Cu(9) is bonded in a 14-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), one Cu(4), one Cu(8), two equivalent Cu(1), two equivalent Cu(3), and four equivalent Cu(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce2Cu11Au
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.044
_cell_length_b   8.144
_cell_length_c   10.272
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   421.931
_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
  Ce  Ce0  1  0.500  0.240  0.813  1.0
  Ce  Ce1  1  0.500  0.740  0.187  1.0
  Ce  Ce2  1  0.000  0.760  0.683  1.0
  Ce  Ce3  1  0.000  0.260  0.317  1.0
  Cu  Cu4  1  0.500  0.684  0.499  1.0
  Cu  Cu5  1  0.500  0.184  0.501  1.0
  Cu  Cu6  1  0.000  0.315  0.998  1.0
  Cu  Cu7  1  0.000  0.815  0.002  1.0
  Cu  Cu8  1  0.500  0.945  0.644  1.0
  Cu  Cu9  1  0.500  0.445  0.356  1.0
  Cu  Cu10  1  0.000  0.060  0.848  1.0
  Cu  Cu11  1  0.000  0.560  0.152  1.0
  Cu  Cu12  1  0.750  0.065  0.063  1.0
  Cu  Cu13  1  0.250  0.565  0.937  1.0
  Cu  Cu14  1  0.243  0.934  0.440  1.0
  Cu  Cu15  1  0.757  0.434  0.560  1.0
  Cu  Cu16  1  0.757  0.934  0.440  1.0
  Cu  Cu17  1  0.243  0.434  0.560  1.0
  Cu  Cu18  1  0.250  0.065  0.063  1.0
  Cu  Cu19  1  0.750  0.565  0.937  1.0
  Cu  Cu20  1  0.500  0.590  0.732  1.0
  Cu  Cu21  1  0.500  0.090  0.268  1.0
  Cu  Cu22  1  0.000  0.404  0.764  1.0
  Cu  Cu23  1  0.000  0.904  0.236  1.0
  Cu  Cu24  1  0.000  0.644  0.390  1.0
  Cu  Cu25  1  0.000  0.144  0.610  1.0
  Au  Au26  1  0.500  0.360  0.111  1.0
  Au  Au27  1  0.500  0.860  0.889  1.0
[/CIF]
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