The material described by U4Pd11Ga20 crystallizes in the monoclinic C2/m space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 14-coordinate geometry to two equivalent Pd(4), two equivalent Pd(6), one Ga(1), one Ga(2), one Ga(5), two equivalent Ga(10), two equivalent Ga(9), and three equivalent Ga(6) atoms. In the second U site, U(2) is bonded in a 9-coordinate geometry to two equivalent Pd(5), one Ga(8), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(7) atoms. There are six inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to four equivalent Pd(2), two equivalent Ga(7), two equivalent Ga(9), and four equivalent Ga(3) atoms to form distorted face-sharing PdGa8Pd4 cuboctahedra. In the second Pd site, Pd(2) is bonded in a 7-coordinate geometry to two equivalent Pd(1), one Ga(2), two equivalent Ga(3), two equivalent Ga(7), and two equivalent Ga(9) atoms. In the third Pd site, Pd(3) is bonded in a 8-coordinate geometry to one Ga(4), one Ga(5), two equivalent Ga(1), two equivalent Ga(10), and two equivalent Ga(8) atoms. In the fourth Pd site, Pd(4) is bonded in a 7-coordinate geometry to two equivalent U(1), one Ga(10), one Ga(3), two equivalent Ga(5), and three equivalent Ga(6) atoms. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to two equivalent U(2), one Ga(7), one Ga(8), two equivalent Ga(2), and three equivalent Ga(4) atoms. In the sixth Pd site, Pd(6) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ga(10), one Ga(8), one Ga(9), two equivalent Ga(1), and two equivalent Ga(2) atoms. There are ten inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one U(1), two equivalent Pd(3), and two equivalent Pd(6) atoms. In the second Ga site, Ga(2) is bonded in a 5-coordinate geometry to one U(1), one Pd(2), two equivalent Pd(5), and two equivalent Pd(6) atoms. In the third Ga site, Ga(3) is bonded in a 5-coordinate geometry to one Pd(4), two equivalent Pd(1), and two equivalent Pd(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 6-coordinate geometry to two equivalent U(2), one Pd(3), and three equivalent Pd(5) atoms. In the fifth Ga site, Ga(5) is bonded in a 10-coordinate geometry to one U(1), two equivalent U(2), one Pd(3), two equivalent Pd(4), one Ga(6), one Ga(7), and two equivalent Ga(10) atoms. In the sixth Ga site, Ga(6) is bonded in a 10-coordinate geometry to three equivalent U(1), three equivalent Pd(4), one Ga(5), one Ga(9), and two equivalent Ga(6) atoms. In the seventh Ga site, Ga(7) is bonded in a 6-coordinate geometry to two equivalent U(2), one Pd(1), one Pd(5), two equivalent Pd(2), and one Ga(5) atom. In the eighth Ga site, Ga(8) is bonded in a 4-coordinate geometry to one U(2), one Pd(5), one Pd(6), and two equivalent Pd(3) atoms. In the ninth Ga site, Ga(9) is bonded in a 6-coordinate geometry to two equivalent U(1), one Pd(1), one Pd(6), two equivalent Pd(2), and one Ga(6) atom. In the tenth Ga site, Ga(10) is bonded in a 4-coordinate geometry to two equivalent U(1), one Pd(4), one Pd(6), two equivalent Pd(3), and two equivalent Ga(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_U4Ga20Pd11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.200
_cell_length_b   11.077
_cell_length_c   13.613
_cell_angle_alpha   81.900
_cell_angle_beta   81.125
_cell_angle_gamma   79.071
_symmetry_Int_Tables_number   1
_cell_volume   610.337
_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
  U  U0  1  0.878  0.906  0.338  1.0
  U  U1  1  0.122  0.094  0.662  1.0
  U  U2  1  0.228  0.366  0.178  1.0
  U  U3  1  0.772  0.634  0.822  1.0
  Ga  Ga4  1  0.997  0.921  0.085  1.0
  Ga  Ga5  1  0.003  0.079  0.915  1.0
  Ga  Ga6  1  0.933  0.331  0.803  1.0
  Ga  Ga7  1  0.067  0.669  0.197  1.0
  Ga  Ga8  1  0.897  0.661  0.546  1.0
  Ga  Ga9  1  0.103  0.339  0.454  1.0
  Ga  Ga10  1  0.799  0.391  0.011  1.0
  Ga  Ga11  1  0.201  0.609  0.989  1.0
  Ga  Ga12  1  0.749  0.211  0.292  1.0
  Ga  Ga13  1  0.251  0.789  0.708  1.0
  Ga  Ga14  1  0.700  0.099  0.500  1.0
  Ga  Ga15  1  0.300  0.901  0.500  1.0
  Ga  Ga16  1  0.614  0.467  0.306  1.0
  Ga  Ga17  1  0.386  0.533  0.694  1.0
  Ga  Ga18  1  0.606  0.787  0.000  1.0
  Ga  Ga19  1  0.394  0.213  1.000  1.0
  Ga  Ga20  1  0.457  0.709  0.377  1.0
  Ga  Ga21  1  0.543  0.291  0.623  1.0
  Ga  Ga22  1  0.368  0.060  0.203  1.0
  Ga  Ga23  1  0.632  0.940  0.797  1.0
  Pd  Pd24  1  0.500  0.500  0.500  1.0
  Pd  Pd25  1  0.971  0.431  0.627  1.0
  Pd  Pd26  1  0.029  0.569  0.373  1.0
  Pd  Pd27  1  0.869  0.155  0.107  1.0
  Pd  Pd28  1  0.131  0.845  0.893  1.0
  Pd  Pd29  1  0.759  0.870  0.612  1.0
  Pd  Pd30  1  0.241  0.130  0.388  1.0
  Pd  Pd31  1  0.656  0.576  0.112  1.0
  Pd  Pd32  1  0.344  0.424  0.888  1.0
  Pd  Pd33  1  0.497  0.821  0.185  1.0
  Pd  Pd34  1  0.503  0.179  0.815  1.0
[/CIF]
.
The material described by U4Pd11Ga20 crystallizes in the monoclinic C2/m space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 14-coordinate geometry to two equivalent Pd(4), two equivalent Pd(6), one Ga(1), one Ga(2), one Ga(5), two equivalent Ga(10), two equivalent Ga(9), and three equivalent Ga(6) atoms. In the second U site, U(2) is bonded in a 9-coordinate geometry to two equivalent Pd(5), one Ga(8), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(7) atoms. There are six inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to four equivalent Pd(2), two equivalent Ga(7), two equivalent Ga(9), and four equivalent Ga(3) atoms to form distorted face-sharing PdGa8Pd4 cuboctahedra. In the second Pd site, Pd(2) is bonded in a 7-coordinate geometry to two equivalent Pd(1), one Ga(2), two equivalent Ga(3), two equivalent Ga(7), and two equivalent Ga(9) atoms. In the third Pd site, Pd(3) is bonded in a 8-coordinate geometry to one Ga(4), one Ga(5), two equivalent Ga(1), two equivalent Ga(10), and two equivalent Ga(8) atoms. In the fourth Pd site, Pd(4) is bonded in a 7-coordinate geometry to two equivalent U(1), one Ga(10), one Ga(3), two equivalent Ga(5), and three equivalent Ga(6) atoms. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to two equivalent U(2), one Ga(7), one Ga(8), two equivalent Ga(2), and three equivalent Ga(4) atoms. In the sixth Pd site, Pd(6) is bonded in a 9-coordinate geometry to two equivalent U(1), one Ga(10), one Ga(8), one Ga(9), two equivalent Ga(1), and two equivalent Ga(2) atoms. There are ten inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one U(1), two equivalent Pd(3), and two equivalent Pd(6) atoms. In the second Ga site, Ga(2) is bonded in a 5-coordinate geometry to one U(1), one Pd(2), two equivalent Pd(5), and two equivalent Pd(6) atoms. In the third Ga site, Ga(3) is bonded in a 5-coordinate geometry to one Pd(4), two equivalent Pd(1), and two equivalent Pd(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 6-coordinate geometry to two equivalent U(2), one Pd(3), and three equivalent Pd(5) atoms. In the fifth Ga site, Ga(5) is bonded in a 10-coordinate geometry to one U(1), two equivalent U(2), one Pd(3), two equivalent Pd(4), one Ga(6), one Ga(7), and two equivalent Ga(10) atoms. In the sixth Ga site, Ga(6) is bonded in a 10-coordinate geometry to three equivalent U(1), three equivalent Pd(4), one Ga(5), one Ga(9), and two equivalent Ga(6) atoms. In the seventh Ga site, Ga(7) is bonded in a 6-coordinate geometry to two equivalent U(2), one Pd(1), one Pd(5), two equivalent Pd(2), and one Ga(5) atom. In the eighth Ga site, Ga(8) is bonded in a 4-coordinate geometry to one U(2), one Pd(5), one Pd(6), and two equivalent Pd(3) atoms. In the ninth Ga site, Ga(9) is bonded in a 6-coordinate geometry to two equivalent U(1), one Pd(1), one Pd(6), two equivalent Pd(2), and one Ga(6) atom. In the tenth Ga site, Ga(10) is bonded in a 4-coordinate geometry to two equivalent U(1), one Pd(4), one Pd(6), two equivalent Pd(3), and two equivalent Ga(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_U4Ga20Pd11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.200
_cell_length_b   11.077
_cell_length_c   13.613
_cell_angle_alpha   81.900
_cell_angle_beta   81.125
_cell_angle_gamma   79.071
_symmetry_Int_Tables_number   1
_cell_volume   610.337
_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
  U  U0  1  0.878  0.906  0.338  1.0
  U  U1  1  0.122  0.094  0.662  1.0
  U  U2  1  0.228  0.366  0.178  1.0
  U  U3  1  0.772  0.634  0.822  1.0
  Ga  Ga4  1  0.997  0.921  0.085  1.0
  Ga  Ga5  1  0.003  0.079  0.915  1.0
  Ga  Ga6  1  0.933  0.331  0.803  1.0
  Ga  Ga7  1  0.067  0.669  0.197  1.0
  Ga  Ga8  1  0.897  0.661  0.546  1.0
  Ga  Ga9  1  0.103  0.339  0.454  1.0
  Ga  Ga10  1  0.799  0.391  0.011  1.0
  Ga  Ga11  1  0.201  0.609  0.989  1.0
  Ga  Ga12  1  0.749  0.211  0.292  1.0
  Ga  Ga13  1  0.251  0.789  0.708  1.0
  Ga  Ga14  1  0.700  0.099  0.500  1.0
  Ga  Ga15  1  0.300  0.901  0.500  1.0
  Ga  Ga16  1  0.614  0.467  0.306  1.0
  Ga  Ga17  1  0.386  0.533  0.694  1.0
  Ga  Ga18  1  0.606  0.787  0.000  1.0
  Ga  Ga19  1  0.394  0.213  1.000  1.0
  Ga  Ga20  1  0.457  0.709  0.377  1.0
  Ga  Ga21  1  0.543  0.291  0.623  1.0
  Ga  Ga22  1  0.368  0.060  0.203  1.0
  Ga  Ga23  1  0.632  0.940  0.797  1.0
  Pd  Pd24  1  0.500  0.500  0.500  1.0
  Pd  Pd25  1  0.971  0.431  0.627  1.0
  Pd  Pd26  1  0.029  0.569  0.373  1.0
  Pd  Pd27  1  0.869  0.155  0.107  1.0
  Pd  Pd28  1  0.131  0.845  0.893  1.0
  Pd  Pd29  1  0.759  0.870  0.612  1.0
  Pd  Pd30  1  0.241  0.130  0.388  1.0
  Pd  Pd31  1  0.656  0.576  0.112  1.0
  Pd  Pd32  1  0.344  0.424  0.888  1.0
  Pd  Pd33  1  0.497  0.821  0.185  1.0
  Pd  Pd34  1  0.503  0.179  0.815  1.0
[/CIF]
.