The compound described by Pr3La(CoP)8 crystallizes in the tetragonal P4/mmm space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 16-coordinate geometry to four equivalent Co(1), four equivalent Co(2), four equivalent P(2), and four equivalent P(4) atoms. In the second Pr site, Pr(2) is bonded in a 16-coordinate geometry to eight equivalent Co(2) and eight equivalent P(3) atoms. La(1) is bonded in a 16-coordinate geometry to eight equivalent Co(1) and eight equivalent P(1) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent Pr(1), two equivalent La(1), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoLa2Pr2P4 tetrahedra that share corners with six equivalent Co(1)La2Pr2P4 tetrahedra, corners with six equivalent Co(2)Pr4P4 tetrahedra,  an edgeedge with one Co(2)Pr4P4 tetrahedra, edges with five equivalent Co(1)La2Pr2P4 tetrahedra, and faces with four equivalent Co(1)La2Pr2P4 tetrahedra. In the second Co site, Co(2) is bonded to two equivalent Pr(1), two equivalent Pr(2), two equivalent P(2), and two equivalent P(3) atoms to form distorted CoPr4P4 tetrahedra that share corners with six equivalent Co(1)La2Pr2P4 tetrahedra, corners with six equivalent Co(2)Pr4P4 tetrahedra,  an edgeedge with one Co(1)La2Pr2P4 tetrahedra, edges with five equivalent Co(2)Pr4P4 tetrahedra, and faces with four equivalent Co(2)Pr4P4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Co(1) atoms. In the second P site, P(2) is bonded in a 4-coordinate geometry to four equivalent Pr(1) and four equivalent Co(2) atoms. In the third P site, P(3) is bonded in a 4-coordinate geometry to four equivalent Pr(2) and four equivalent Co(2) atoms. In the fourth P site, P(4) is bonded in a 4-coordinate geometry to four equivalent Pr(1) and four equivalent Co(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_LaPr3(CoP)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.909
_cell_length_b   3.909
_cell_length_c   19.958
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   305.005
_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  0.000  0.000  0.000  1.0
  Pr  Pr1  1  0.500  0.500  0.250  1.0
  Pr  Pr2  1  0.000  0.000  0.500  1.0
  Pr  Pr3  1  0.500  0.500  0.750  1.0
  Co  Co4  1  0.000  0.500  0.126  1.0
  Co  Co5  1  0.500  0.000  0.375  1.0
  Co  Co6  1  0.000  0.500  0.625  1.0
  Co  Co7  1  0.500  0.000  0.874  1.0
  Co  Co8  1  0.500  0.000  0.126  1.0
  Co  Co9  1  0.000  0.500  0.375  1.0
  Co  Co10  1  0.500  0.000  0.625  1.0
  Co  Co11  1  0.000  0.500  0.874  1.0
  P  P12  1  0.500  0.500  0.071  1.0
  P  P13  1  0.000  0.000  0.319  1.0
  P  P14  1  0.500  0.500  0.569  1.0
  P  P15  1  0.000  0.000  0.818  1.0
  P  P16  1  0.000  0.000  0.182  1.0
  P  P17  1  0.500  0.500  0.431  1.0
  P  P18  1  0.000  0.000  0.681  1.0
  P  P19  1  0.500  0.500  0.929  1.0
[/CIF]
.
The compound described by Pr3La(CoP)8 crystallizes in the tetragonal P4/mmm space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 16-coordinate geometry to four equivalent Co(1), four equivalent Co(2), four equivalent P(2), and four equivalent P(4) atoms. In the second Pr site, Pr(2) is bonded in a 16-coordinate geometry to eight equivalent Co(2) and eight equivalent P(3) atoms. La(1) is bonded in a 16-coordinate geometry to eight equivalent Co(1) and eight equivalent P(1) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent Pr(1), two equivalent La(1), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoLa2Pr2P4 tetrahedra that share corners with six equivalent Co(1)La2Pr2P4 tetrahedra, corners with six equivalent Co(2)Pr4P4 tetrahedra,  an edgeedge with one Co(2)Pr4P4 tetrahedra, edges with five equivalent Co(1)La2Pr2P4 tetrahedra, and faces with four equivalent Co(1)La2Pr2P4 tetrahedra. In the second Co site, Co(2) is bonded to two equivalent Pr(1), two equivalent Pr(2), two equivalent P(2), and two equivalent P(3) atoms to form distorted CoPr4P4 tetrahedra that share corners with six equivalent Co(1)La2Pr2P4 tetrahedra, corners with six equivalent Co(2)Pr4P4 tetrahedra,  an edgeedge with one Co(1)La2Pr2P4 tetrahedra, edges with five equivalent Co(2)Pr4P4 tetrahedra, and faces with four equivalent Co(2)Pr4P4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded in a 4-coordinate geometry to four equivalent La(1) and four equivalent Co(1) atoms. In the second P site, P(2) is bonded in a 4-coordinate geometry to four equivalent Pr(1) and four equivalent Co(2) atoms. In the third P site, P(3) is bonded in a 4-coordinate geometry to four equivalent Pr(2) and four equivalent Co(2) atoms. In the fourth P site, P(4) is bonded in a 4-coordinate geometry to four equivalent Pr(1) and four equivalent Co(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_LaPr3(CoP)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.909
_cell_length_b   3.909
_cell_length_c   19.958
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   305.005
_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  0.000  0.000  0.000  1.0
  Pr  Pr1  1  0.500  0.500  0.250  1.0
  Pr  Pr2  1  0.000  0.000  0.500  1.0
  Pr  Pr3  1  0.500  0.500  0.750  1.0
  Co  Co4  1  0.000  0.500  0.126  1.0
  Co  Co5  1  0.500  0.000  0.375  1.0
  Co  Co6  1  0.000  0.500  0.625  1.0
  Co  Co7  1  0.500  0.000  0.874  1.0
  Co  Co8  1  0.500  0.000  0.126  1.0
  Co  Co9  1  0.000  0.500  0.375  1.0
  Co  Co10  1  0.500  0.000  0.625  1.0
  Co  Co11  1  0.000  0.500  0.874  1.0
  P  P12  1  0.500  0.500  0.071  1.0
  P  P13  1  0.000  0.000  0.319  1.0
  P  P14  1  0.500  0.500  0.569  1.0
  P  P15  1  0.000  0.000  0.818  1.0
  P  P16  1  0.000  0.000  0.182  1.0
  P  P17  1  0.500  0.500  0.431  1.0
  P  P18  1  0.000  0.000  0.681  1.0
  P  P19  1  0.500  0.500  0.929  1.0
[/CIF]
.