The material structure described by Ho(BiO3)2 is zeta iron carbide-derived structured and crystallizes in the orthorhombic Pmn2_1 space group. Ho(1) is bonded in a 6-coordinate geometry to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms. Bi(1) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms to form corner-sharing BiO6 octahedra. The corner-sharing octahedral tilt angles range from 26-49°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Ho(1) and two equivalent Bi(1) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Ho(1) and two equivalent Bi(1) atoms. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Ho(1) and two equivalent Bi(1) atoms. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Ho(1) and two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_Ho(BiO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.608
_cell_length_b   6.075
_cell_length_c   8.240
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   280.708
_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
  Ho  Ho0  1  0.034  0.661  0.000  1.0
  Ho  Ho1  1  0.534  0.339  0.500  1.0
  Bi  Bi2  1  0.010  0.231  0.752  1.0
  Bi  Bi3  1  0.010  0.231  0.248  1.0
  Bi  Bi4  1  0.510  0.769  0.252  1.0
  Bi  Bi5  1  0.510  0.769  0.748  1.0
  O  O6  1  0.155  0.221  0.500  1.0
  O  O7  1  0.169  0.919  0.819  1.0
  O  O8  1  0.169  0.919  0.181  1.0
  O  O9  1  0.278  0.483  0.808  1.0
  O  O10  1  0.278  0.483  0.192  1.0
  O  O11  1  0.409  0.696  0.500  1.0
  O  O12  1  0.655  0.779  0.000  1.0
  O  O13  1  0.669  0.081  0.319  1.0
  O  O14  1  0.669  0.081  0.681  1.0
  O  O15  1  0.778  0.517  0.692  1.0
  O  O16  1  0.778  0.517  0.308  1.0
  O  O17  1  0.909  0.304  0.000  1.0
[/CIF]
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The material structure described by Ho(BiO3)2 is zeta iron carbide-derived structured and crystallizes in the orthorhombic Pmn2_1 space group. Ho(1) is bonded in a 6-coordinate geometry to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms. Bi(1) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms to form corner-sharing BiO6 octahedra. The corner-sharing octahedral tilt angles range from 26-49°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Ho(1) and two equivalent Bi(1) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Ho(1) and two equivalent Bi(1) atoms. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Ho(1) and two equivalent Bi(1) atoms. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Ho(1) and two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_Ho(BiO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.608
_cell_length_b   6.075
_cell_length_c   8.240
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   280.708
_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
  Ho  Ho0  1  0.034  0.661  0.000  1.0
  Ho  Ho1  1  0.534  0.339  0.500  1.0
  Bi  Bi2  1  0.010  0.231  0.752  1.0
  Bi  Bi3  1  0.010  0.231  0.248  1.0
  Bi  Bi4  1  0.510  0.769  0.252  1.0
  Bi  Bi5  1  0.510  0.769  0.748  1.0
  O  O6  1  0.155  0.221  0.500  1.0
  O  O7  1  0.169  0.919  0.819  1.0
  O  O8  1  0.169  0.919  0.181  1.0
  O  O9  1  0.278  0.483  0.808  1.0
  O  O10  1  0.278  0.483  0.192  1.0
  O  O11  1  0.409  0.696  0.500  1.0
  O  O12  1  0.655  0.779  0.000  1.0
  O  O13  1  0.669  0.081  0.319  1.0
  O  O14  1  0.669  0.081  0.681  1.0
  O  O15  1  0.778  0.517  0.692  1.0
  O  O16  1  0.778  0.517  0.308  1.0
  O  O17  1  0.909  0.304  0.000  1.0
[/CIF]
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