The material described by Pr2Cr2Co15 crystallizes in the monoclinic C2/m space group. Pr(1) is bonded in a 19-coordinate geometry to two equivalent Cr(1), one Co(5), one Co(6), two equivalent Co(1), three equivalent Co(3), four equivalent Co(2), and six equivalent Co(4) atoms. Cr(1) is bonded in a 10-coordinate geometry to two equivalent Pr(1), two equivalent Co(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(5) atoms. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Pr(1), two equivalent Cr(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(5) atoms. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Pr(1), one Cr(1), one Co(1), one Co(2), one Co(3), one Co(6), two equivalent Co(5), and three equivalent Co(4) atoms. In the third Co site, Co(3) is bonded to three equivalent Pr(1), two equivalent Cr(1), one Co(5), two equivalent Co(1), two equivalent Co(2), and two equivalent Co(4) atoms to form distorted CoPr3Cr2Co7 cuboctahedra that share corners with three equivalent Co(6)Pr2Co10 cuboctahedra, corners with four equivalent Co(3)Pr3Cr2Co7 cuboctahedra, corners with six equivalent Co(4)Pr3CrCo8 cuboctahedra,  an edgeedge with one Co(6)Pr2Co10 cuboctahedra,  an edgeedge with one Co(3)Pr3Cr2Co7 cuboctahedra, edges with four equivalent Co(4)Pr3CrCo8 cuboctahedra,  a faceface with one Co(6)Pr2Co10 cuboctahedra,  a faceface with one Co(3)Pr3Cr2Co7 cuboctahedra, and faces with six equivalent Co(4)Pr3CrCo8 cuboctahedra. In the fourth Co site, Co(4) is bonded to three equivalent Pr(1), one Cr(1), one Co(1), one Co(3), one Co(4), one Co(5), one Co(6), and three equivalent Co(2) atoms to form distorted CoPr3CrCo8 cuboctahedra that share  a cornercorner with one Co(6)Pr2Co10 cuboctahedra, corners with three equivalent Co(3)Pr3Cr2Co7 cuboctahedra, corners with seven equivalent Co(4)Pr3CrCo8 cuboctahedra,  an edgeedge with one Co(6)Pr2Co10 cuboctahedra, edges with two equivalent Co(3)Pr3Cr2Co7 cuboctahedra, edges with three equivalent Co(4)Pr3CrCo8 cuboctahedra,  a faceface with one Co(6)Pr2Co10 cuboctahedra, faces with three equivalent Co(3)Pr3Cr2Co7 cuboctahedra, and faces with four equivalent Co(4)Pr3CrCo8 cuboctahedra. In the fifth Co site, Co(5) is bonded in a 14-coordinate geometry to one Pr(1), two equivalent Cr(1), one Co(3), one Co(5), one Co(6), two equivalent Co(1), two equivalent Co(4), and four equivalent Co(2) atoms. In the sixth Co site, Co(6) is bonded to two equivalent Pr(1), two equivalent Co(5), four equivalent Co(2), and four equivalent Co(4) atoms to form distorted CoPr2Co10 cuboctahedra that share corners with four equivalent Co(4)Pr3CrCo8 cuboctahedra, corners with six equivalent Co(3)Pr3Cr2Co7 cuboctahedra, edges with two equivalent Co(3)Pr3Cr2Co7 cuboctahedra, edges with four equivalent Co(4)Pr3CrCo8 cuboctahedra, faces with two equivalent Co(3)Pr3Cr2Co7 cuboctahedra, and faces with four equivalent Co(4)Pr3CrCo8 cuboctahedra. is represented by the CIF file [CIF]
data_Pr2Cr2Co15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.325
_cell_length_b   6.325
_cell_length_c   6.295
_cell_angle_alpha   83.157
_cell_angle_beta   83.157
_cell_angle_gamma   83.689
_symmetry_Int_Tables_number   1
_cell_volume   247.106
_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
  Pr  Pr0  1  0.652  0.652  0.649  1.0
  Pr  Pr1  1  0.348  0.348  0.351  1.0
  Cr  Cr2  1  0.500  0.000  0.000  1.0
  Cr  Cr3  1  0.000  0.500  0.000  1.0
  Co  Co4  1  0.716  0.284  0.000  1.0
  Co  Co5  1  0.000  0.717  0.283  1.0
  Co  Co6  1  0.283  1.000  0.717  1.0
  Co  Co7  1  1.000  0.283  0.717  1.0
  Co  Co8  1  0.717  0.000  0.283  1.0
  Co  Co9  1  0.284  0.716  0.000  1.0
  Co  Co10  1  0.343  0.343  0.859  1.0
  Co  Co11  1  0.858  0.341  0.342  1.0
  Co  Co12  1  0.341  0.858  0.342  1.0
  Co  Co13  1  0.657  0.657  0.141  1.0
  Co  Co14  1  0.142  0.659  0.658  1.0
  Co  Co15  1  0.659  0.142  0.658  1.0
  Co  Co16  1  0.904  0.904  0.902  1.0
  Co  Co17  1  0.096  0.096  0.098  1.0
  Co  Co18  1  0.000  0.000  0.500  1.0
[/CIF]
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The material described by Pr2Cr2Co15 crystallizes in the monoclinic C2/m space group. Pr(1) is bonded in a 19-coordinate geometry to two equivalent Cr(1), one Co(5), one Co(6), two equivalent Co(1), three equivalent Co(3), four equivalent Co(2), and six equivalent Co(4) atoms. Cr(1) is bonded in a 10-coordinate geometry to two equivalent Pr(1), two equivalent Co(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(5) atoms. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Pr(1), two equivalent Cr(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(5) atoms. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Pr(1), one Cr(1), one Co(1), one Co(2), one Co(3), one Co(6), two equivalent Co(5), and three equivalent Co(4) atoms. In the third Co site, Co(3) is bonded to three equivalent Pr(1), two equivalent Cr(1), one Co(5), two equivalent Co(1), two equivalent Co(2), and two equivalent Co(4) atoms to form distorted CoPr3Cr2Co7 cuboctahedra that share corners with three equivalent Co(6)Pr2Co10 cuboctahedra, corners with four equivalent Co(3)Pr3Cr2Co7 cuboctahedra, corners with six equivalent Co(4)Pr3CrCo8 cuboctahedra,  an edgeedge with one Co(6)Pr2Co10 cuboctahedra,  an edgeedge with one Co(3)Pr3Cr2Co7 cuboctahedra, edges with four equivalent Co(4)Pr3CrCo8 cuboctahedra,  a faceface with one Co(6)Pr2Co10 cuboctahedra,  a faceface with one Co(3)Pr3Cr2Co7 cuboctahedra, and faces with six equivalent Co(4)Pr3CrCo8 cuboctahedra. In the fourth Co site, Co(4) is bonded to three equivalent Pr(1), one Cr(1), one Co(1), one Co(3), one Co(4), one Co(5), one Co(6), and three equivalent Co(2) atoms to form distorted CoPr3CrCo8 cuboctahedra that share  a cornercorner with one Co(6)Pr2Co10 cuboctahedra, corners with three equivalent Co(3)Pr3Cr2Co7 cuboctahedra, corners with seven equivalent Co(4)Pr3CrCo8 cuboctahedra,  an edgeedge with one Co(6)Pr2Co10 cuboctahedra, edges with two equivalent Co(3)Pr3Cr2Co7 cuboctahedra, edges with three equivalent Co(4)Pr3CrCo8 cuboctahedra,  a faceface with one Co(6)Pr2Co10 cuboctahedra, faces with three equivalent Co(3)Pr3Cr2Co7 cuboctahedra, and faces with four equivalent Co(4)Pr3CrCo8 cuboctahedra. In the fifth Co site, Co(5) is bonded in a 14-coordinate geometry to one Pr(1), two equivalent Cr(1), one Co(3), one Co(5), one Co(6), two equivalent Co(1), two equivalent Co(4), and four equivalent Co(2) atoms. In the sixth Co site, Co(6) is bonded to two equivalent Pr(1), two equivalent Co(5), four equivalent Co(2), and four equivalent Co(4) atoms to form distorted CoPr2Co10 cuboctahedra that share corners with four equivalent Co(4)Pr3CrCo8 cuboctahedra, corners with six equivalent Co(3)Pr3Cr2Co7 cuboctahedra, edges with two equivalent Co(3)Pr3Cr2Co7 cuboctahedra, edges with four equivalent Co(4)Pr3CrCo8 cuboctahedra, faces with two equivalent Co(3)Pr3Cr2Co7 cuboctahedra, and faces with four equivalent Co(4)Pr3CrCo8 cuboctahedra. is represented by the CIF file [CIF]
data_Pr2Cr2Co15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.325
_cell_length_b   6.325
_cell_length_c   6.295
_cell_angle_alpha   83.157
_cell_angle_beta   83.157
_cell_angle_gamma   83.689
_symmetry_Int_Tables_number   1
_cell_volume   247.106
_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
  Pr  Pr0  1  0.652  0.652  0.649  1.0
  Pr  Pr1  1  0.348  0.348  0.351  1.0
  Cr  Cr2  1  0.500  0.000  0.000  1.0
  Cr  Cr3  1  0.000  0.500  0.000  1.0
  Co  Co4  1  0.716  0.284  0.000  1.0
  Co  Co5  1  0.000  0.717  0.283  1.0
  Co  Co6  1  0.283  1.000  0.717  1.0
  Co  Co7  1  1.000  0.283  0.717  1.0
  Co  Co8  1  0.717  0.000  0.283  1.0
  Co  Co9  1  0.284  0.716  0.000  1.0
  Co  Co10  1  0.343  0.343  0.859  1.0
  Co  Co11  1  0.858  0.341  0.342  1.0
  Co  Co12  1  0.341  0.858  0.342  1.0
  Co  Co13  1  0.657  0.657  0.141  1.0
  Co  Co14  1  0.142  0.659  0.658  1.0
  Co  Co15  1  0.659  0.142  0.658  1.0
  Co  Co16  1  0.904  0.904  0.902  1.0
  Co  Co17  1  0.096  0.096  0.098  1.0
  Co  Co18  1  0.000  0.000  0.500  1.0
[/CIF]
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