The structure described by SmO(OH) crystallizes in the monoclinic P2_1/m space group. Sm(1) is bonded in a 7-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. H(1) is bonded in a single-bond geometry to one O(2) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sm(1) atoms to form a mixture of edge and corner-sharing OSm4 tetrahedra. In the second O site, O(2) is bonded in a single-bond geometry to three equivalent Sm(1) and one H(1) atom. is represented by the CIF file [CIF]
data_SmHO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.758
_cell_length_b   4.375
_cell_length_c   6.149
_cell_angle_alpha   71.355
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   95.810
_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
  Sm  Sm0  1  0.250  0.667  0.191  1.0
  Sm  Sm1  1  0.750  0.333  0.809  1.0
  H  H2  1  0.750  0.980  0.426  1.0
  H  H3  1  0.250  0.020  0.574  1.0
  O  O4  1  0.250  0.236  0.046  1.0
  O  O5  1  0.750  0.754  0.439  1.0
  O  O6  1  0.250  0.246  0.561  1.0
  O  O7  1  0.750  0.764  0.954  1.0
[/CIF]
.
The structure described by SmO(OH) crystallizes in the monoclinic P2_1/m space group. Sm(1) is bonded in a 7-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. H(1) is bonded in a single-bond geometry to one O(2) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sm(1) atoms to form a mixture of edge and corner-sharing OSm4 tetrahedra. In the second O site, O(2) is bonded in a single-bond geometry to three equivalent Sm(1) and one H(1) atom. is represented by the CIF file [CIF]
data_SmHO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.758
_cell_length_b   4.375
_cell_length_c   6.149
_cell_angle_alpha   71.355
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   95.810
_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
  Sm  Sm0  1  0.250  0.667  0.191  1.0
  Sm  Sm1  1  0.750  0.333  0.809  1.0
  H  H2  1  0.750  0.980  0.426  1.0
  H  H3  1  0.250  0.020  0.574  1.0
  O  O4  1  0.250  0.236  0.046  1.0
  O  O5  1  0.750  0.754  0.439  1.0
  O  O6  1  0.250  0.246  0.561  1.0
  O  O7  1  0.750  0.764  0.954  1.0
[/CIF]
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