The compound described by Pr(OH)3 crystallizes in the monoclinic Pm space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. In the second Pr site, Pr(2) is bonded in a 9-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Pr(1), two equivalent Pr(2), and one H(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Pr(1), two equivalent Pr(2), and one H(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one Pr(1), two equivalent Pr(2), and one H(3) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Pr(2), two equivalent Pr(1), and one H(4) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Pr(2), two equivalent Pr(1), and one H(5) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one Pr(2), two equivalent Pr(1), and one H(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr(HO)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.771
_cell_length_b   6.561
_cell_length_c   6.597
_cell_angle_alpha   60.789
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   142.456
_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  0.000  0.665  0.665  1.0
  Pr  Pr1  1  0.500  0.340  0.324  1.0
  H  H2  1  0.000  0.140  0.141  1.0
  H  H3  1  0.000  0.141  0.688  1.0
  H  H4  1  0.000  0.718  0.140  1.0
  H  H5  1  0.500  0.864  0.854  1.0
  H  H6  1  0.500  0.859  0.286  1.0
  H  H7  1  0.500  0.280  0.858  1.0
  O  O8  1  0.000  0.089  0.307  1.0
  O  O9  1  0.000  0.310  0.592  1.0
  O  O10  1  0.000  0.608  0.082  1.0
  O  O11  1  0.500  0.912  0.689  1.0
  O  O12  1  0.500  0.692  0.394  1.0
  O  O13  1  0.500  0.397  0.908  1.0
[/CIF]
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The compound described by Pr(OH)3 crystallizes in the monoclinic Pm space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. In the second Pr site, Pr(2) is bonded in a 9-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Pr(1), two equivalent Pr(2), and one H(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Pr(1), two equivalent Pr(2), and one H(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one Pr(1), two equivalent Pr(2), and one H(3) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Pr(2), two equivalent Pr(1), and one H(4) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Pr(2), two equivalent Pr(1), and one H(5) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one Pr(2), two equivalent Pr(1), and one H(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr(HO)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.771
_cell_length_b   6.561
_cell_length_c   6.597
_cell_angle_alpha   60.789
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   142.456
_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  0.000  0.665  0.665  1.0
  Pr  Pr1  1  0.500  0.340  0.324  1.0
  H  H2  1  0.000  0.140  0.141  1.0
  H  H3  1  0.000  0.141  0.688  1.0
  H  H4  1  0.000  0.718  0.140  1.0
  H  H5  1  0.500  0.864  0.854  1.0
  H  H6  1  0.500  0.859  0.286  1.0
  H  H7  1  0.500  0.280  0.858  1.0
  O  O8  1  0.000  0.089  0.307  1.0
  O  O9  1  0.000  0.310  0.592  1.0
  O  O10  1  0.000  0.608  0.082  1.0
  O  O11  1  0.500  0.912  0.689  1.0
  O  O12  1  0.500  0.692  0.394  1.0
  O  O13  1  0.500  0.397  0.908  1.0
[/CIF]
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