The structure described by Pr5B2C5 crystallizes in the tetragonal P4/ncc space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 7-coordinate geometry to two equivalent B(1), one C(2), and four equivalent C(1) atoms. In the second Pr site, Pr(2) is bonded to two equivalent C(2) and four equivalent C(1) atoms to form corner-sharing PrC6 octahedra. The corner-sharing octahedra are not tilted. B(1) is bonded in a linear geometry to four equivalent Pr(1) and two equivalent C(1) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one Pr(2), four equivalent Pr(1), and one B(1) atom. In the second C site, C(2) is bonded to two equivalent Pr(2) and four equivalent Pr(1) atoms to form corner-sharing CPr6 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF card [CIF]
data_Pr5B2C5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.682
_cell_length_b   8.682
_cell_length_c   11.089
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   835.819
_cell_formula_units_Z   4
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  0.593  0.713  0.898  1.0
  Pr  Pr1  1  0.407  0.287  0.898  1.0
  Pr  Pr2  1  0.500  0.000  0.643  1.0
  Pr  Pr3  1  0.500  0.000  0.143  1.0
  Pr  Pr4  1  0.713  0.593  0.602  1.0
  Pr  Pr5  1  0.907  0.213  0.602  1.0
  Pr  Pr6  1  0.093  0.213  0.102  1.0
  Pr  Pr7  1  0.787  0.907  0.398  1.0
  Pr  Pr8  1  0.213  0.907  0.898  1.0
  Pr  Pr9  1  0.407  0.713  0.398  1.0
  Pr  Pr10  1  0.213  0.093  0.398  1.0
  Pr  Pr11  1  0.287  0.407  0.602  1.0
  Pr  Pr12  1  0.713  0.407  0.102  1.0
  Pr  Pr13  1  0.787  0.093  0.898  1.0
  Pr  Pr14  1  0.287  0.593  0.102  1.0
  Pr  Pr15  1  0.593  0.287  0.398  1.0
  Pr  Pr16  1  0.093  0.787  0.602  1.0
  Pr  Pr17  1  0.000  0.500  0.357  1.0
  Pr  Pr18  1  0.000  0.500  0.857  1.0
  Pr  Pr19  1  0.907  0.787  0.102  1.0
  B  B20  1  0.844  0.156  0.250  1.0
  B  B21  1  0.656  0.656  0.250  1.0
  B  B22  1  0.344  0.344  0.250  1.0
  B  B23  1  0.156  0.844  0.250  1.0
  B  B24  1  0.844  0.844  0.750  1.0
  B  B25  1  0.156  0.156  0.750  1.0
  B  B26  1  0.656  0.344  0.750  1.0
  B  B27  1  0.344  0.656  0.750  1.0
  C  C28  1  0.104  0.801  0.371  1.0
  C  C29  1  0.000  0.500  0.096  1.0
  C  C30  1  0.000  0.500  0.596  1.0
  C  C31  1  0.500  0.000  0.904  1.0
  C  C32  1  0.604  0.699  0.129  1.0
  C  C33  1  0.104  0.199  0.871  1.0
  C  C34  1  0.396  0.301  0.129  1.0
  C  C35  1  0.896  0.199  0.371  1.0
  C  C36  1  0.801  0.104  0.129  1.0
  C  C37  1  0.801  0.896  0.629  1.0
  C  C38  1  0.301  0.604  0.871  1.0
  C  C39  1  0.699  0.396  0.871  1.0
  C  C40  1  0.199  0.896  0.129  1.0
  C  C41  1  0.500  0.000  0.404  1.0
  C  C42  1  0.604  0.301  0.629  1.0
  C  C43  1  0.896  0.801  0.871  1.0
  C  C44  1  0.396  0.699  0.629  1.0
  C  C45  1  0.301  0.396  0.371  1.0
  C  C46  1  0.199  0.104  0.629  1.0
  C  C47  1  0.699  0.604  0.371  1.0
[/CIF]
.
The structure described by Pr5B2C5 crystallizes in the tetragonal P4/ncc space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 7-coordinate geometry to two equivalent B(1), one C(2), and four equivalent C(1) atoms. In the second Pr site, Pr(2) is bonded to two equivalent C(2) and four equivalent C(1) atoms to form corner-sharing PrC6 octahedra. The corner-sharing octahedra are not tilted. B(1) is bonded in a linear geometry to four equivalent Pr(1) and two equivalent C(1) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one Pr(2), four equivalent Pr(1), and one B(1) atom. In the second C site, C(2) is bonded to two equivalent Pr(2) and four equivalent Pr(1) atoms to form corner-sharing CPr6 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF card [CIF]
data_Pr5B2C5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.682
_cell_length_b   8.682
_cell_length_c   11.089
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   835.819
_cell_formula_units_Z   4
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  0.593  0.713  0.898  1.0
  Pr  Pr1  1  0.407  0.287  0.898  1.0
  Pr  Pr2  1  0.500  0.000  0.643  1.0
  Pr  Pr3  1  0.500  0.000  0.143  1.0
  Pr  Pr4  1  0.713  0.593  0.602  1.0
  Pr  Pr5  1  0.907  0.213  0.602  1.0
  Pr  Pr6  1  0.093  0.213  0.102  1.0
  Pr  Pr7  1  0.787  0.907  0.398  1.0
  Pr  Pr8  1  0.213  0.907  0.898  1.0
  Pr  Pr9  1  0.407  0.713  0.398  1.0
  Pr  Pr10  1  0.213  0.093  0.398  1.0
  Pr  Pr11  1  0.287  0.407  0.602  1.0
  Pr  Pr12  1  0.713  0.407  0.102  1.0
  Pr  Pr13  1  0.787  0.093  0.898  1.0
  Pr  Pr14  1  0.287  0.593  0.102  1.0
  Pr  Pr15  1  0.593  0.287  0.398  1.0
  Pr  Pr16  1  0.093  0.787  0.602  1.0
  Pr  Pr17  1  0.000  0.500  0.357  1.0
  Pr  Pr18  1  0.000  0.500  0.857  1.0
  Pr  Pr19  1  0.907  0.787  0.102  1.0
  B  B20  1  0.844  0.156  0.250  1.0
  B  B21  1  0.656  0.656  0.250  1.0
  B  B22  1  0.344  0.344  0.250  1.0
  B  B23  1  0.156  0.844  0.250  1.0
  B  B24  1  0.844  0.844  0.750  1.0
  B  B25  1  0.156  0.156  0.750  1.0
  B  B26  1  0.656  0.344  0.750  1.0
  B  B27  1  0.344  0.656  0.750  1.0
  C  C28  1  0.104  0.801  0.371  1.0
  C  C29  1  0.000  0.500  0.096  1.0
  C  C30  1  0.000  0.500  0.596  1.0
  C  C31  1  0.500  0.000  0.904  1.0
  C  C32  1  0.604  0.699  0.129  1.0
  C  C33  1  0.104  0.199  0.871  1.0
  C  C34  1  0.396  0.301  0.129  1.0
  C  C35  1  0.896  0.199  0.371  1.0
  C  C36  1  0.801  0.104  0.129  1.0
  C  C37  1  0.801  0.896  0.629  1.0
  C  C38  1  0.301  0.604  0.871  1.0
  C  C39  1  0.699  0.396  0.871  1.0
  C  C40  1  0.199  0.896  0.129  1.0
  C  C41  1  0.500  0.000  0.404  1.0
  C  C42  1  0.604  0.301  0.629  1.0
  C  C43  1  0.896  0.801  0.871  1.0
  C  C44  1  0.396  0.699  0.629  1.0
  C  C45  1  0.301  0.396  0.371  1.0
  C  C46  1  0.199  0.104  0.629  1.0
  C  C47  1  0.699  0.604  0.371  1.0
[/CIF]
.