The structure described by HoMo2SbO9 crystallizes in the monoclinic C2/c space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 8-coordinate geometry to two equivalent O(2), two equivalent O(4), two equivalent O(7), and two equivalent O(9) atoms. In the second Ho site, Ho(2) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Mo site, Mo(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. Sb(1) is bonded in a distorted rectangular see-saw-like geometry to one O(4), one O(8), and two equivalent O(9) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one Ho(2) and one Mo(1) atom. In the second O site, O(9) is bonded in a distorted trigonal planar geometry to one Ho(1) and two equivalent Sb(1) atoms. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one Ho(1) and one Mo(1) atom. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Ho(2) and one Mo(1) atom. In the fifth O site, O(4) is bonded in a distorted trigonal planar geometry to one Ho(1), one Mo(1), and one Sb(1) atom. In the sixth O site, O(5) is bonded in a linear geometry to one Ho(2) and one Mo(2) atom. In the seventh O site, O(6) is bonded in a bent 150 degrees geometry to one Ho(2) and one Mo(2) atom. In the eighth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Ho(1) and one Mo(2) atom. In the ninth O site, O(8) is bonded in a linear geometry to one Mo(2) and one Sb(1) atom. is represented by the CIF file [CIF]
data_HoSbMo2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.673
_cell_length_b   9.673
_cell_length_c   10.820
_cell_angle_alpha   68.048
_cell_angle_beta   68.048
_cell_angle_gamma   95.199
_symmetry_Int_Tables_number   1
_cell_volume   839.138
_cell_formula_units_Z   4
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  0.671  0.329  0.750  1.0
  Ho  Ho1  1  0.329  0.671  0.250  1.0
  Ho  Ho2  1  0.126  0.874  0.750  1.0
  Ho  Ho3  1  0.874  0.126  0.250  1.0
  Sb  Sb4  1  0.652  0.618  0.965  1.0
  Sb  Sb5  1  0.382  0.348  0.535  1.0
  Sb  Sb6  1  0.348  0.382  0.035  1.0
  Sb  Sb7  1  0.618  0.652  0.465  1.0
  Mo  Mo8  1  0.046  0.260  0.474  1.0
  Mo  Mo9  1  0.740  0.954  0.026  1.0
  Mo  Mo10  1  0.954  0.740  0.526  1.0
  Mo  Mo11  1  0.260  0.046  0.974  1.0
  Mo  Mo12  1  0.058  0.434  0.806  1.0
  Mo  Mo13  1  0.566  0.942  0.694  1.0
  Mo  Mo14  1  0.942  0.566  0.194  1.0
  Mo  Mo15  1  0.434  0.058  0.306  1.0
  O  O16  1  0.067  0.095  0.602  1.0
  O  O17  1  0.905  0.933  0.898  1.0
  O  O18  1  0.933  0.905  0.398  1.0
  O  O19  1  0.095  0.067  0.102  1.0
  O  O20  1  0.869  0.298  0.568  1.0
  O  O21  1  0.702  0.131  0.932  1.0
  O  O22  1  0.131  0.702  0.432  1.0
  O  O23  1  0.298  0.869  0.068  1.0
  O  O24  1  0.043  0.220  0.325  1.0
  O  O25  1  0.780  0.957  0.175  1.0
  O  O26  1  0.957  0.780  0.675  1.0
  O  O27  1  0.220  0.043  0.825  1.0
  O  O28  1  0.778  0.595  0.579  1.0
  O  O29  1  0.405  0.222  0.921  1.0
  O  O30  1  0.222  0.405  0.421  1.0
  O  O31  1  0.595  0.778  0.079  1.0
  O  O32  1  0.977  0.304  0.998  1.0
  O  O33  1  0.696  0.023  0.502  1.0
  O  O34  1  0.023  0.696  0.002  1.0
  O  O35  1  0.304  0.977  0.498  1.0
  O  O36  1  0.145  0.621  0.774  1.0
  O  O37  1  0.379  0.855  0.726  1.0
  O  O38  1  0.855  0.379  0.226  1.0
  O  O39  1  0.621  0.145  0.274  1.0
  O  O40  1  0.907  0.446  0.749  1.0
  O  O41  1  0.554  0.093  0.751  1.0
  O  O42  1  0.093  0.554  0.251  1.0
  O  O43  1  0.446  0.907  0.249  1.0
  O  O44  1  0.209  0.364  0.701  1.0
  O  O45  1  0.636  0.791  0.799  1.0
  O  O46  1  0.791  0.636  0.299  1.0
  O  O47  1  0.364  0.209  0.201  1.0
  O  O48  1  0.577  0.460  0.898  1.0
  O  O49  1  0.540  0.423  0.602  1.0
  O  O50  1  0.423  0.540  0.102  1.0
  O  O51  1  0.460  0.577  0.398  1.0
[/CIF]
.
The structure described by HoMo2SbO9 crystallizes in the monoclinic C2/c space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 8-coordinate geometry to two equivalent O(2), two equivalent O(4), two equivalent O(7), and two equivalent O(9) atoms. In the second Ho site, Ho(2) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Mo site, Mo(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. Sb(1) is bonded in a distorted rectangular see-saw-like geometry to one O(4), one O(8), and two equivalent O(9) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one Ho(2) and one Mo(1) atom. In the second O site, O(9) is bonded in a distorted trigonal planar geometry to one Ho(1) and two equivalent Sb(1) atoms. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one Ho(1) and one Mo(1) atom. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Ho(2) and one Mo(1) atom. In the fifth O site, O(4) is bonded in a distorted trigonal planar geometry to one Ho(1), one Mo(1), and one Sb(1) atom. In the sixth O site, O(5) is bonded in a linear geometry to one Ho(2) and one Mo(2) atom. In the seventh O site, O(6) is bonded in a bent 150 degrees geometry to one Ho(2) and one Mo(2) atom. In the eighth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Ho(1) and one Mo(2) atom. In the ninth O site, O(8) is bonded in a linear geometry to one Mo(2) and one Sb(1) atom. is represented by the CIF file [CIF]
data_HoSbMo2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.673
_cell_length_b   9.673
_cell_length_c   10.820
_cell_angle_alpha   68.048
_cell_angle_beta   68.048
_cell_angle_gamma   95.199
_symmetry_Int_Tables_number   1
_cell_volume   839.138
_cell_formula_units_Z   4
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  0.671  0.329  0.750  1.0
  Ho  Ho1  1  0.329  0.671  0.250  1.0
  Ho  Ho2  1  0.126  0.874  0.750  1.0
  Ho  Ho3  1  0.874  0.126  0.250  1.0
  Sb  Sb4  1  0.652  0.618  0.965  1.0
  Sb  Sb5  1  0.382  0.348  0.535  1.0
  Sb  Sb6  1  0.348  0.382  0.035  1.0
  Sb  Sb7  1  0.618  0.652  0.465  1.0
  Mo  Mo8  1  0.046  0.260  0.474  1.0
  Mo  Mo9  1  0.740  0.954  0.026  1.0
  Mo  Mo10  1  0.954  0.740  0.526  1.0
  Mo  Mo11  1  0.260  0.046  0.974  1.0
  Mo  Mo12  1  0.058  0.434  0.806  1.0
  Mo  Mo13  1  0.566  0.942  0.694  1.0
  Mo  Mo14  1  0.942  0.566  0.194  1.0
  Mo  Mo15  1  0.434  0.058  0.306  1.0
  O  O16  1  0.067  0.095  0.602  1.0
  O  O17  1  0.905  0.933  0.898  1.0
  O  O18  1  0.933  0.905  0.398  1.0
  O  O19  1  0.095  0.067  0.102  1.0
  O  O20  1  0.869  0.298  0.568  1.0
  O  O21  1  0.702  0.131  0.932  1.0
  O  O22  1  0.131  0.702  0.432  1.0
  O  O23  1  0.298  0.869  0.068  1.0
  O  O24  1  0.043  0.220  0.325  1.0
  O  O25  1  0.780  0.957  0.175  1.0
  O  O26  1  0.957  0.780  0.675  1.0
  O  O27  1  0.220  0.043  0.825  1.0
  O  O28  1  0.778  0.595  0.579  1.0
  O  O29  1  0.405  0.222  0.921  1.0
  O  O30  1  0.222  0.405  0.421  1.0
  O  O31  1  0.595  0.778  0.079  1.0
  O  O32  1  0.977  0.304  0.998  1.0
  O  O33  1  0.696  0.023  0.502  1.0
  O  O34  1  0.023  0.696  0.002  1.0
  O  O35  1  0.304  0.977  0.498  1.0
  O  O36  1  0.145  0.621  0.774  1.0
  O  O37  1  0.379  0.855  0.726  1.0
  O  O38  1  0.855  0.379  0.226  1.0
  O  O39  1  0.621  0.145  0.274  1.0
  O  O40  1  0.907  0.446  0.749  1.0
  O  O41  1  0.554  0.093  0.751  1.0
  O  O42  1  0.093  0.554  0.251  1.0
  O  O43  1  0.446  0.907  0.249  1.0
  O  O44  1  0.209  0.364  0.701  1.0
  O  O45  1  0.636  0.791  0.799  1.0
  O  O46  1  0.791  0.636  0.299  1.0
  O  O47  1  0.364  0.209  0.201  1.0
  O  O48  1  0.577  0.460  0.898  1.0
  O  O49  1  0.540  0.423  0.602  1.0
  O  O50  1  0.423  0.540  0.102  1.0
  O  O51  1  0.460  0.577  0.398  1.0
[/CIF]
.