The material structure described by La7Pd17P12 crystallizes in the monoclinic C2/m space group. There are four inequivalent La sites. In the first La site, La(1) is bonded to two equivalent Pd(5), four equivalent Pd(3), four equivalent Pd(8), two equivalent P(4), and four equivalent P(5) atoms to form distorted LaP6Pd10 cuboctahedra that share edges with four equivalent Pd(5)La3P4Pd5 cuboctahedra, edges with four equivalent Pd(2)La4P4Pd4 cuboctahedra, faces with two equivalent La(1)P6Pd10 cuboctahedra, and faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra. In the second La site, La(2) is bonded in a 16-coordinate geometry to one Pd(4), one Pd(5), one Pd(7), two equivalent Pd(1), two equivalent Pd(2), three equivalent Pd(9), two equivalent P(1), two equivalent P(2), and two equivalent P(6) atoms. In the third La site, La(3) is bonded in a 16-coordinate geometry to one Pd(3), one Pd(8), one Pd(9), two equivalent Pd(1), two equivalent Pd(7), three equivalent Pd(6), two equivalent P(3), two equivalent P(4), and two equivalent P(6) atoms. In the fourth La site, La(4) is bonded in a 15-coordinate geometry to one Pd(4), one Pd(5), one Pd(6), two equivalent Pd(1), two equivalent Pd(2), two equivalent Pd(3), two equivalent P(1), two equivalent P(3), and two equivalent P(5) atoms. There are nine inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent La(3), two equivalent La(4), one P(1), one P(3), and one P(6) atom. In the second Pd site, Pd(2) is bonded to two equivalent La(2), two equivalent La(4), two equivalent Pd(4), two equivalent Pd(5), one P(2), one P(5), and two equivalent P(1) atoms to form distorted PdLa4P4Pd4 cuboctahedra that share corners with two equivalent Pd(2)La4P4Pd4 cuboctahedra, edges with two equivalent La(1)P6Pd10 cuboctahedra, faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra, faces with two equivalent Pd(4)La4P4Pd4 cuboctahedra, and faces with three equivalent Pd(2)La4P4Pd4 cuboctahedra. In the third Pd site, Pd(3) is bonded in a 12-coordinate geometry to one La(3), two equivalent La(1), two equivalent La(4), one Pd(8), two equivalent Pd(6), one P(3), one P(5), and two equivalent P(4) atoms. In the fourth Pd site, Pd(4) is bonded to two equivalent La(2), two equivalent La(4), four equivalent Pd(2), and four equivalent P(1) atoms to form distorted PdLa4P4Pd4 cuboctahedra that share corners with four equivalent Pd(5)La3P4Pd5 cuboctahedra, faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra, faces with two equivalent Pd(4)La4P4Pd4 cuboctahedra, and faces with four equivalent Pd(2)La4P4Pd4 cuboctahedra. In the fifth Pd site, Pd(5) is bonded to one La(1), one La(2), one La(4), one Pd(7), two equivalent Pd(2), two equivalent Pd(8), two equivalent P(2), and two equivalent P(5) atoms to form distorted PdLa3P4Pd5 cuboctahedra that share  a cornercorner with one Pd(5)La3P4Pd5 cuboctahedra, corners with two equivalent Pd(4)La4P4Pd4 cuboctahedra, edges with two equivalent La(1)P6Pd10 cuboctahedra,  a faceface with one La(1)P6Pd10 cuboctahedra,  a faceface with one Pd(4)La4P4Pd4 cuboctahedra, faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra, and faces with two equivalent Pd(2)La4P4Pd4 cuboctahedra. In the sixth Pd site, Pd(6) is bonded in a 12-coordinate geometry to one La(4), three equivalent La(3), two equivalent Pd(3), two equivalent Pd(6), one P(4), and three equivalent P(3) atoms. In the seventh Pd site, Pd(7) is bonded in a 12-coordinate geometry to one La(2), two equivalent La(3), one Pd(5), two equivalent Pd(8), two equivalent Pd(9), one P(4), one P(6), and two equivalent P(2) atoms. In the eighth Pd site, Pd(8) is bonded in a 12-coordinate geometry to one La(3), two equivalent La(1), one Pd(3), two equivalent Pd(5), two equivalent Pd(7), one P(2), one P(5), and two equivalent P(4) atoms. In the ninth Pd site, Pd(9) is bonded in a 12-coordinate geometry to one La(3), three equivalent La(2), two equivalent Pd(7), two equivalent Pd(9), one P(2), and three equivalent P(6) atoms. There are six inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent La(4), one Pd(1), two equivalent Pd(2), and two equivalent Pd(4) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent La(2), one Pd(2), one Pd(8), one Pd(9), two equivalent Pd(5), and two equivalent Pd(7) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent La(3), two equivalent La(4), one Pd(1), one Pd(3), and three equivalent Pd(6) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to one La(1), two equivalent La(3), one Pd(6), one Pd(7), two equivalent Pd(3), and two equivalent Pd(8) atoms. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(4), one Pd(2), one Pd(3), one Pd(8), and two equivalent Pd(5) atoms. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent La(3), one Pd(1), one Pd(7), and three equivalent Pd(9) atoms. is represented by the CIF card [CIF]
data_La7P12Pd17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.553
_cell_length_b   12.553
_cell_length_c   13.775
_cell_angle_alpha   68.037
_cell_angle_beta   68.037
_cell_angle_gamma   18.907
_symmetry_Int_Tables_number   1
_cell_volume   650.794
_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
  La  La0  1  0.500  0.500  0.500  1.0
  La  La1  1  0.365  0.365  0.000  1.0
  La  La2  1  0.635  0.635  1.000  1.0
  La  La3  1  0.233  0.233  0.314  1.0
  La  La4  1  0.767  0.767  0.686  1.0
  La  La5  1  0.417  0.417  0.262  1.0
  La  La6  1  0.583  0.583  0.738  1.0
  P  P7  1  0.060  0.060  0.926  1.0
  P  P8  1  0.940  0.940  0.074  1.0
  P  P9  1  0.887  0.887  0.827  1.0
  P  P10  1  0.113  0.113  0.173  1.0
  P  P11  1  0.188  0.188  0.619  1.0
  P  P12  1  0.812  0.812  0.381  1.0
  P  P13  1  0.364  0.364  0.579  1.0
  P  P14  1  0.636  0.636  0.421  1.0
  P  P15  1  0.011  0.011  0.672  1.0
  P  P16  1  0.989  0.989  0.328  1.0
  P  P17  1  0.234  0.234  0.882  1.0
  P  P18  1  0.766  0.766  0.118  1.0
  Pd  Pd19  1  0.839  0.839  0.193  1.0
  Pd  Pd20  1  0.161  0.161  0.807  1.0
  Pd  Pd21  1  0.026  0.026  0.125  1.0
  Pd  Pd22  1  0.974  0.974  0.875  1.0
  Pd  Pd23  1  0.890  0.890  0.458  1.0
  Pd  Pd24  1  0.110  0.110  0.542  1.0
  Pd  Pd25  1  0.500  0.500  0.000  1.0
  Pd  Pd26  1  0.548  0.548  0.254  1.0
  Pd  Pd27  1  0.452  0.452  0.746  1.0
  Pd  Pd28  1  0.297  0.297  0.487  1.0
  Pd  Pd29  1  0.703  0.703  0.513  1.0
  Pd  Pd30  1  0.666  0.666  0.222  1.0
  Pd  Pd31  1  0.334  0.334  0.778  1.0
  Pd  Pd32  1  0.906  0.906  0.645  1.0
  Pd  Pd33  1  0.094  0.094  0.355  1.0
  Pd  Pd34  1  0.218  0.218  0.071  1.0
  Pd  Pd35  1  0.782  0.782  0.929  1.0
[/CIF]
.
The material structure described by La7Pd17P12 crystallizes in the monoclinic C2/m space group. There are four inequivalent La sites. In the first La site, La(1) is bonded to two equivalent Pd(5), four equivalent Pd(3), four equivalent Pd(8), two equivalent P(4), and four equivalent P(5) atoms to form distorted LaP6Pd10 cuboctahedra that share edges with four equivalent Pd(5)La3P4Pd5 cuboctahedra, edges with four equivalent Pd(2)La4P4Pd4 cuboctahedra, faces with two equivalent La(1)P6Pd10 cuboctahedra, and faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra. In the second La site, La(2) is bonded in a 16-coordinate geometry to one Pd(4), one Pd(5), one Pd(7), two equivalent Pd(1), two equivalent Pd(2), three equivalent Pd(9), two equivalent P(1), two equivalent P(2), and two equivalent P(6) atoms. In the third La site, La(3) is bonded in a 16-coordinate geometry to one Pd(3), one Pd(8), one Pd(9), two equivalent Pd(1), two equivalent Pd(7), three equivalent Pd(6), two equivalent P(3), two equivalent P(4), and two equivalent P(6) atoms. In the fourth La site, La(4) is bonded in a 15-coordinate geometry to one Pd(4), one Pd(5), one Pd(6), two equivalent Pd(1), two equivalent Pd(2), two equivalent Pd(3), two equivalent P(1), two equivalent P(3), and two equivalent P(5) atoms. There are nine inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent La(3), two equivalent La(4), one P(1), one P(3), and one P(6) atom. In the second Pd site, Pd(2) is bonded to two equivalent La(2), two equivalent La(4), two equivalent Pd(4), two equivalent Pd(5), one P(2), one P(5), and two equivalent P(1) atoms to form distorted PdLa4P4Pd4 cuboctahedra that share corners with two equivalent Pd(2)La4P4Pd4 cuboctahedra, edges with two equivalent La(1)P6Pd10 cuboctahedra, faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra, faces with two equivalent Pd(4)La4P4Pd4 cuboctahedra, and faces with three equivalent Pd(2)La4P4Pd4 cuboctahedra. In the third Pd site, Pd(3) is bonded in a 12-coordinate geometry to one La(3), two equivalent La(1), two equivalent La(4), one Pd(8), two equivalent Pd(6), one P(3), one P(5), and two equivalent P(4) atoms. In the fourth Pd site, Pd(4) is bonded to two equivalent La(2), two equivalent La(4), four equivalent Pd(2), and four equivalent P(1) atoms to form distorted PdLa4P4Pd4 cuboctahedra that share corners with four equivalent Pd(5)La3P4Pd5 cuboctahedra, faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra, faces with two equivalent Pd(4)La4P4Pd4 cuboctahedra, and faces with four equivalent Pd(2)La4P4Pd4 cuboctahedra. In the fifth Pd site, Pd(5) is bonded to one La(1), one La(2), one La(4), one Pd(7), two equivalent Pd(2), two equivalent Pd(8), two equivalent P(2), and two equivalent P(5) atoms to form distorted PdLa3P4Pd5 cuboctahedra that share  a cornercorner with one Pd(5)La3P4Pd5 cuboctahedra, corners with two equivalent Pd(4)La4P4Pd4 cuboctahedra, edges with two equivalent La(1)P6Pd10 cuboctahedra,  a faceface with one La(1)P6Pd10 cuboctahedra,  a faceface with one Pd(4)La4P4Pd4 cuboctahedra, faces with two equivalent Pd(5)La3P4Pd5 cuboctahedra, and faces with two equivalent Pd(2)La4P4Pd4 cuboctahedra. In the sixth Pd site, Pd(6) is bonded in a 12-coordinate geometry to one La(4), three equivalent La(3), two equivalent Pd(3), two equivalent Pd(6), one P(4), and three equivalent P(3) atoms. In the seventh Pd site, Pd(7) is bonded in a 12-coordinate geometry to one La(2), two equivalent La(3), one Pd(5), two equivalent Pd(8), two equivalent Pd(9), one P(4), one P(6), and two equivalent P(2) atoms. In the eighth Pd site, Pd(8) is bonded in a 12-coordinate geometry to one La(3), two equivalent La(1), one Pd(3), two equivalent Pd(5), two equivalent Pd(7), one P(2), one P(5), and two equivalent P(4) atoms. In the ninth Pd site, Pd(9) is bonded in a 12-coordinate geometry to one La(3), three equivalent La(2), two equivalent Pd(7), two equivalent Pd(9), one P(2), and three equivalent P(6) atoms. There are six inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent La(4), one Pd(1), two equivalent Pd(2), and two equivalent Pd(4) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent La(2), one Pd(2), one Pd(8), one Pd(9), two equivalent Pd(5), and two equivalent Pd(7) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent La(3), two equivalent La(4), one Pd(1), one Pd(3), and three equivalent Pd(6) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to one La(1), two equivalent La(3), one Pd(6), one Pd(7), two equivalent Pd(3), and two equivalent Pd(8) atoms. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(4), one Pd(2), one Pd(3), one Pd(8), and two equivalent Pd(5) atoms. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent La(3), one Pd(1), one Pd(7), and three equivalent Pd(9) atoms. is represented by the CIF card [CIF]
data_La7P12Pd17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.553
_cell_length_b   12.553
_cell_length_c   13.775
_cell_angle_alpha   68.037
_cell_angle_beta   68.037
_cell_angle_gamma   18.907
_symmetry_Int_Tables_number   1
_cell_volume   650.794
_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
  La  La0  1  0.500  0.500  0.500  1.0
  La  La1  1  0.365  0.365  0.000  1.0
  La  La2  1  0.635  0.635  1.000  1.0
  La  La3  1  0.233  0.233  0.314  1.0
  La  La4  1  0.767  0.767  0.686  1.0
  La  La5  1  0.417  0.417  0.262  1.0
  La  La6  1  0.583  0.583  0.738  1.0
  P  P7  1  0.060  0.060  0.926  1.0
  P  P8  1  0.940  0.940  0.074  1.0
  P  P9  1  0.887  0.887  0.827  1.0
  P  P10  1  0.113  0.113  0.173  1.0
  P  P11  1  0.188  0.188  0.619  1.0
  P  P12  1  0.812  0.812  0.381  1.0
  P  P13  1  0.364  0.364  0.579  1.0
  P  P14  1  0.636  0.636  0.421  1.0
  P  P15  1  0.011  0.011  0.672  1.0
  P  P16  1  0.989  0.989  0.328  1.0
  P  P17  1  0.234  0.234  0.882  1.0
  P  P18  1  0.766  0.766  0.118  1.0
  Pd  Pd19  1  0.839  0.839  0.193  1.0
  Pd  Pd20  1  0.161  0.161  0.807  1.0
  Pd  Pd21  1  0.026  0.026  0.125  1.0
  Pd  Pd22  1  0.974  0.974  0.875  1.0
  Pd  Pd23  1  0.890  0.890  0.458  1.0
  Pd  Pd24  1  0.110  0.110  0.542  1.0
  Pd  Pd25  1  0.500  0.500  0.000  1.0
  Pd  Pd26  1  0.548  0.548  0.254  1.0
  Pd  Pd27  1  0.452  0.452  0.746  1.0
  Pd  Pd28  1  0.297  0.297  0.487  1.0
  Pd  Pd29  1  0.703  0.703  0.513  1.0
  Pd  Pd30  1  0.666  0.666  0.222  1.0
  Pd  Pd31  1  0.334  0.334  0.778  1.0
  Pd  Pd32  1  0.906  0.906  0.645  1.0
  Pd  Pd33  1  0.094  0.094  0.355  1.0
  Pd  Pd34  1  0.218  0.218  0.071  1.0
  Pd  Pd35  1  0.782  0.782  0.929  1.0
[/CIF]
.