The crystal structure described by Pr is Copper-like structured and crystallizes in the trigonal P3_121 space group. Pr(1) is bonded to twelve equivalent Pr(1) atoms to form a mixture of face, corner, and edge-sharing PrPr12 cuboctahedra. is represented by the CIF file [CIF]
data_Pr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.711
_cell_length_b   3.711
_cell_length_c   9.188
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   109.574
_cell_formula_units_Z   3
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  0.000  0.684  0.167  1.0
  Pr  Pr1  1  0.684  1.000  0.500  1.0
  Pr  Pr2  1  0.316  0.316  0.833  1.0
[/CIF]
.
The crystal structure described by Pr is Copper-like structured and crystallizes in the trigonal P3_121 space group. Pr(1) is bonded to twelve equivalent Pr(1) atoms to form a mixture of face, corner, and edge-sharing PrPr12 cuboctahedra. is represented by the CIF file [CIF]
data_Pr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.711
_cell_length_b   3.711
_cell_length_c   9.188
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   109.574
_cell_formula_units_Z   3
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  0.000  0.684  0.167  1.0
  Pr  Pr1  1  0.684  1.000  0.500  1.0
  Pr  Pr2  1  0.316  0.316  0.833  1.0
[/CIF]
.