The crystal structure described by Pr2(CuGe)3 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 14-coordinate geometry to two equivalent Cu(1), two equivalent Cu(2), four equivalent Cu(3), two equivalent Ge(2), and four equivalent Ge(3) atoms. In the second Pr site, Pr(2) is bonded in a 14-coordinate geometry to two equivalent Cu(2), four equivalent Cu(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(1) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 9-coordinate geometry to two equivalent Pr(1), four equivalent Pr(2), one Ge(1), and two equivalent Ge(3) atoms. In the second Cu site, Cu(2) is bonded in a 12-coordinate geometry to two equivalent Pr(1), two equivalent Pr(2), two equivalent Cu(3), two equivalent Ge(1), and four equivalent Ge(2) atoms. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to four equivalent Pr(1), two equivalent Cu(2), one Ge(3), and two equivalent Ge(2) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Pr(2), one Cu(1), two equivalent Cu(2), and two equivalent Ge(2) atoms. In the second Ge site, Ge(2) is bonded in a 12-coordinate geometry to two equivalent Pr(1), two equivalent Pr(2), two equivalent Cu(3), four equivalent Cu(2), and two equivalent Ge(1) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Pr(2), four equivalent Pr(1), one Cu(3), and two equivalent Cu(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2(CuGe)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.298
_cell_length_b   4.226
_cell_length_c   8.863
_cell_angle_alpha   90.000
_cell_angle_beta   104.033
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   156.178
_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  0.153  0.500  0.306  1.0
  Pr  Pr1  1  0.366  0.000  0.731  1.0
  Cu  Cu2  1  0.788  0.500  0.577  1.0
  Cu  Cu3  1  0.004  0.000  0.008  1.0
  Cu  Cu4  1  0.583  0.000  0.166  1.0
  Ge  Ge5  1  0.927  0.500  0.855  1.0
  Ge  Ge6  1  0.514  0.500  0.029  1.0
  Ge  Ge7  1  0.724  0.000  0.448  1.0
[/CIF]
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The crystal structure described by Pr2(CuGe)3 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 14-coordinate geometry to two equivalent Cu(1), two equivalent Cu(2), four equivalent Cu(3), two equivalent Ge(2), and four equivalent Ge(3) atoms. In the second Pr site, Pr(2) is bonded in a 14-coordinate geometry to two equivalent Cu(2), four equivalent Cu(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(1) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 9-coordinate geometry to two equivalent Pr(1), four equivalent Pr(2), one Ge(1), and two equivalent Ge(3) atoms. In the second Cu site, Cu(2) is bonded in a 12-coordinate geometry to two equivalent Pr(1), two equivalent Pr(2), two equivalent Cu(3), two equivalent Ge(1), and four equivalent Ge(2) atoms. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to four equivalent Pr(1), two equivalent Cu(2), one Ge(3), and two equivalent Ge(2) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Pr(2), one Cu(1), two equivalent Cu(2), and two equivalent Ge(2) atoms. In the second Ge site, Ge(2) is bonded in a 12-coordinate geometry to two equivalent Pr(1), two equivalent Pr(2), two equivalent Cu(3), four equivalent Cu(2), and two equivalent Ge(1) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Pr(2), four equivalent Pr(1), one Cu(3), and two equivalent Cu(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2(CuGe)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.298
_cell_length_b   4.226
_cell_length_c   8.863
_cell_angle_alpha   90.000
_cell_angle_beta   104.033
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   156.178
_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  0.153  0.500  0.306  1.0
  Pr  Pr1  1  0.366  0.000  0.731  1.0
  Cu  Cu2  1  0.788  0.500  0.577  1.0
  Cu  Cu3  1  0.004  0.000  0.008  1.0
  Cu  Cu4  1  0.583  0.000  0.166  1.0
  Ge  Ge5  1  0.927  0.500  0.855  1.0
  Ge  Ge6  1  0.514  0.500  0.029  1.0
  Ge  Ge7  1  0.724  0.000  0.448  1.0
[/CIF]
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