The material structure described by Pr4MnSb9 crystallizes in the monoclinic C2/m space group. There are four inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 9-coordinate geometry to one Sb(3), two equivalent Sb(1), two equivalent Sb(10), two equivalent Sb(2), and two equivalent Sb(7) atoms. In the second Pr site, Pr(2) is bonded in a 9-coordinate geometry to one Sb(1), one Sb(5), one Sb(9), two equivalent Sb(10), two equivalent Sb(4), and two equivalent Sb(6) atoms. In the third Pr site, Pr(3) is bonded in a 9-coordinate geometry to one Sb(3), one Sb(5), one Sb(9), two equivalent Sb(10), two equivalent Sb(4), and two equivalent Sb(8) atoms. In the fourth Pr site, Pr(4) is bonded in a 9-coordinate geometry to one Sb(1), one Sb(8), two equivalent Sb(3), two equivalent Sb(6), and three equivalent Sb(7) atoms. Mn(1) is bonded to one Sb(6), two equivalent Sb(8), and three equivalent Sb(9) atoms to form edge-sharing MnSb6 octahedra. There are ten inequivalent Sb sites. In the first Sb site, Sb(8) is bonded in a 5-coordinate geometry to one Pr(4), two equivalent Pr(3), two equivalent Mn(1), and two equivalent Sb(3) atoms. In the second Sb site, Sb(9) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), three equivalent Mn(1), and two equivalent Sb(4) atoms. In the third Sb site, Sb(10) is bonded to two equivalent Pr(1), two equivalent Pr(2), and two equivalent Pr(3) atoms to form distorted face-sharing SbPr6 pentagonal pyramids. In the fourth Sb site, Sb(1) is bonded in a 8-coordinate geometry to one Pr(2), one Pr(4), two equivalent Pr(1), two equivalent Sb(2), and two equivalent Sb(6) atoms. In the fifth Sb site, Sb(2) is bonded in a distorted body-centered cubic geometry to four equivalent Pr(1) and four equivalent Sb(1) atoms. In the sixth Sb site, Sb(3) is bonded in a 8-coordinate geometry to one Pr(1), one Pr(3), two equivalent Pr(4), two equivalent Sb(7), and two equivalent Sb(8) atoms. In the seventh Sb site, Sb(4) is bonded in a distorted body-centered cubic geometry to two equivalent Pr(2), two equivalent Pr(3), two equivalent Sb(5), and two equivalent Sb(9) atoms. In the eighth Sb site, Sb(5) is bonded in a 8-coordinate geometry to two equivalent Pr(2), two equivalent Pr(3), and four equivalent Sb(4) atoms. In the ninth Sb site, Sb(6) is bonded in a 7-coordinate geometry to two equivalent Pr(2), two equivalent Pr(4), one Mn(1), and two equivalent Sb(1) atoms. In the tenth Sb site, Sb(7) is bonded in a 7-coordinate geometry to two equivalent Pr(1), three equivalent Pr(4), and two equivalent Sb(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr4MnSb9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.369
_cell_length_b   12.369
_cell_length_c   15.788
_cell_angle_alpha   82.216
_cell_angle_beta   82.216
_cell_angle_gamma   19.719
_symmetry_Int_Tables_number   1
_cell_volume   807.226
_cell_formula_units_Z   2
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  0.066  0.066  0.607  1.0
  Pr  Pr1  1  0.934  0.934  0.393  1.0
  Pr  Pr2  1  0.059  0.059  0.181  1.0
  Pr  Pr3  1  0.941  0.941  0.819  1.0
  Pr  Pr4  1  0.113  0.113  0.858  1.0
  Pr  Pr5  1  0.887  0.887  0.142  1.0
  Pr  Pr6  1  0.206  0.206  0.387  1.0
  Pr  Pr7  1  0.794  0.794  0.613  1.0
  Mn  Mn8  1  0.270  0.270  0.875  1.0
  Mn  Mn9  1  0.730  0.730  0.125  1.0
  Sb  Sb10  1  0.072  0.072  0.386  1.0
  Sb  Sb11  1  0.928  0.928  0.614  1.0
  Sb  Sb12  1  0.500  0.500  0.500  1.0
  Sb  Sb13  1  0.192  0.192  0.666  1.0
  Sb  Sb14  1  0.808  0.808  0.334  1.0
  Sb  Sb15  1  0.409  0.409  0.980  1.0
  Sb  Sb16  1  0.591  0.591  0.020  1.0
  Sb  Sb17  1  0.000  0.000  0.000  1.0
  Sb  Sb18  1  0.358  0.358  0.729  1.0
  Sb  Sb19  1  0.642  0.642  0.271  1.0
  Sb  Sb20  1  0.334  0.334  0.458  1.0
  Sb  Sb21  1  0.666  0.666  0.542  1.0
  Sb  Sb22  1  0.718  0.718  0.806  1.0
  Sb  Sb23  1  0.282  0.282  0.194  1.0
  Sb  Sb24  1  0.807  0.807  0.971  1.0
  Sb  Sb25  1  0.193  0.193  0.029  1.0
  Sb  Sb26  1  0.540  0.540  0.763  1.0
  Sb  Sb27  1  0.460  0.460  0.237  1.0
[/CIF]
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The material structure described by Pr4MnSb9 crystallizes in the monoclinic C2/m space group. There are four inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 9-coordinate geometry to one Sb(3), two equivalent Sb(1), two equivalent Sb(10), two equivalent Sb(2), and two equivalent Sb(7) atoms. In the second Pr site, Pr(2) is bonded in a 9-coordinate geometry to one Sb(1), one Sb(5), one Sb(9), two equivalent Sb(10), two equivalent Sb(4), and two equivalent Sb(6) atoms. In the third Pr site, Pr(3) is bonded in a 9-coordinate geometry to one Sb(3), one Sb(5), one Sb(9), two equivalent Sb(10), two equivalent Sb(4), and two equivalent Sb(8) atoms. In the fourth Pr site, Pr(4) is bonded in a 9-coordinate geometry to one Sb(1), one Sb(8), two equivalent Sb(3), two equivalent Sb(6), and three equivalent Sb(7) atoms. Mn(1) is bonded to one Sb(6), two equivalent Sb(8), and three equivalent Sb(9) atoms to form edge-sharing MnSb6 octahedra. There are ten inequivalent Sb sites. In the first Sb site, Sb(8) is bonded in a 5-coordinate geometry to one Pr(4), two equivalent Pr(3), two equivalent Mn(1), and two equivalent Sb(3) atoms. In the second Sb site, Sb(9) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), three equivalent Mn(1), and two equivalent Sb(4) atoms. In the third Sb site, Sb(10) is bonded to two equivalent Pr(1), two equivalent Pr(2), and two equivalent Pr(3) atoms to form distorted face-sharing SbPr6 pentagonal pyramids. In the fourth Sb site, Sb(1) is bonded in a 8-coordinate geometry to one Pr(2), one Pr(4), two equivalent Pr(1), two equivalent Sb(2), and two equivalent Sb(6) atoms. In the fifth Sb site, Sb(2) is bonded in a distorted body-centered cubic geometry to four equivalent Pr(1) and four equivalent Sb(1) atoms. In the sixth Sb site, Sb(3) is bonded in a 8-coordinate geometry to one Pr(1), one Pr(3), two equivalent Pr(4), two equivalent Sb(7), and two equivalent Sb(8) atoms. In the seventh Sb site, Sb(4) is bonded in a distorted body-centered cubic geometry to two equivalent Pr(2), two equivalent Pr(3), two equivalent Sb(5), and two equivalent Sb(9) atoms. In the eighth Sb site, Sb(5) is bonded in a 8-coordinate geometry to two equivalent Pr(2), two equivalent Pr(3), and four equivalent Sb(4) atoms. In the ninth Sb site, Sb(6) is bonded in a 7-coordinate geometry to two equivalent Pr(2), two equivalent Pr(4), one Mn(1), and two equivalent Sb(1) atoms. In the tenth Sb site, Sb(7) is bonded in a 7-coordinate geometry to two equivalent Pr(1), three equivalent Pr(4), and two equivalent Sb(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr4MnSb9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.369
_cell_length_b   12.369
_cell_length_c   15.788
_cell_angle_alpha   82.216
_cell_angle_beta   82.216
_cell_angle_gamma   19.719
_symmetry_Int_Tables_number   1
_cell_volume   807.226
_cell_formula_units_Z   2
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  0.066  0.066  0.607  1.0
  Pr  Pr1  1  0.934  0.934  0.393  1.0
  Pr  Pr2  1  0.059  0.059  0.181  1.0
  Pr  Pr3  1  0.941  0.941  0.819  1.0
  Pr  Pr4  1  0.113  0.113  0.858  1.0
  Pr  Pr5  1  0.887  0.887  0.142  1.0
  Pr  Pr6  1  0.206  0.206  0.387  1.0
  Pr  Pr7  1  0.794  0.794  0.613  1.0
  Mn  Mn8  1  0.270  0.270  0.875  1.0
  Mn  Mn9  1  0.730  0.730  0.125  1.0
  Sb  Sb10  1  0.072  0.072  0.386  1.0
  Sb  Sb11  1  0.928  0.928  0.614  1.0
  Sb  Sb12  1  0.500  0.500  0.500  1.0
  Sb  Sb13  1  0.192  0.192  0.666  1.0
  Sb  Sb14  1  0.808  0.808  0.334  1.0
  Sb  Sb15  1  0.409  0.409  0.980  1.0
  Sb  Sb16  1  0.591  0.591  0.020  1.0
  Sb  Sb17  1  0.000  0.000  0.000  1.0
  Sb  Sb18  1  0.358  0.358  0.729  1.0
  Sb  Sb19  1  0.642  0.642  0.271  1.0
  Sb  Sb20  1  0.334  0.334  0.458  1.0
  Sb  Sb21  1  0.666  0.666  0.542  1.0
  Sb  Sb22  1  0.718  0.718  0.806  1.0
  Sb  Sb23  1  0.282  0.282  0.194  1.0
  Sb  Sb24  1  0.807  0.807  0.971  1.0
  Sb  Sb25  1  0.193  0.193  0.029  1.0
  Sb  Sb26  1  0.540  0.540  0.763  1.0
  Sb  Sb27  1  0.460  0.460  0.237  1.0
[/CIF]
.