The compound described by TbMo2SbO9 crystallizes in the monoclinic C2/c space group. There are two inequivalent Tb sites. In the first Tb site, Tb(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 Tb site, Tb(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 Tb(2) and one Mo(1) atom. In the second O site, O(9) is bonded in a distorted trigonal planar geometry to one Tb(1) and two equivalent Sb(1) atoms. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one Tb(1) and one Mo(1) atom. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Tb(2) and one Mo(1) atom. In the fifth O site, O(4) is bonded in a distorted trigonal planar geometry to one Tb(1), one Mo(1), and one Sb(1) atom. In the sixth O site, O(5) is bonded in a linear geometry to one Tb(2) and one Mo(2) atom. In the seventh O site, O(6) is bonded in a bent 150 degrees geometry to one Tb(2) and one Mo(2) atom. In the eighth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Tb(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 Crystallographic Information File (CIF) [CIF]
data_TbSbMo2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.713
_cell_length_b   9.713
_cell_length_c   10.873
_cell_angle_alpha   68.068
_cell_angle_beta   68.068
_cell_angle_gamma   95.204
_symmetry_Int_Tables_number   1
_cell_volume   850.498
_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
  Tb  Tb0  1  0.671  0.329  0.750  1.0
  Tb  Tb1  1  0.329  0.671  0.250  1.0
  Tb  Tb2  1  0.125  0.875  0.750  1.0
  Tb  Tb3  1  0.875  0.125  0.250  1.0
  Sb  Sb4  1  0.651  0.618  0.965  1.0
  Sb  Sb5  1  0.382  0.349  0.535  1.0
  Sb  Sb6  1  0.349  0.382  0.035  1.0
  Sb  Sb7  1  0.618  0.651  0.465  1.0
  Mo  Mo8  1  0.047  0.260  0.473  1.0
  Mo  Mo9  1  0.740  0.953  0.027  1.0
  Mo  Mo10  1  0.953  0.740  0.527  1.0
  Mo  Mo11  1  0.260  0.047  0.973  1.0
  Mo  Mo12  1  0.059  0.434  0.805  1.0
  Mo  Mo13  1  0.566  0.941  0.695  1.0
  Mo  Mo14  1  0.941  0.566  0.195  1.0
  Mo  Mo15  1  0.434  0.059  0.305  1.0
  O  O16  1  0.065  0.095  0.602  1.0
  O  O17  1  0.905  0.935  0.898  1.0
  O  O18  1  0.935  0.905  0.398  1.0
  O  O19  1  0.095  0.065  0.102  1.0
  O  O20  1  0.871  0.300  0.565  1.0
  O  O21  1  0.700  0.129  0.935  1.0
  O  O22  1  0.129  0.700  0.435  1.0
  O  O23  1  0.300  0.871  0.065  1.0
  O  O24  1  0.045  0.222  0.324  1.0
  O  O25  1  0.778  0.955  0.176  1.0
  O  O26  1  0.955  0.778  0.676  1.0
  O  O27  1  0.222  0.045  0.824  1.0
  O  O28  1  0.777  0.596  0.579  1.0
  O  O29  1  0.404  0.223  0.921  1.0
  O  O30  1  0.223  0.404  0.421  1.0
  O  O31  1  0.596  0.777  0.079  1.0
  O  O32  1  0.979  0.304  0.996  1.0
  O  O33  1  0.696  0.021  0.504  1.0
  O  O34  1  0.021  0.696  0.004  1.0
  O  O35  1  0.304  0.979  0.496  1.0
  O  O36  1  0.145  0.620  0.774  1.0
  O  O37  1  0.380  0.855  0.726  1.0
  O  O38  1  0.855  0.380  0.226  1.0
  O  O39  1  0.620  0.145  0.274  1.0
  O  O40  1  0.908  0.445  0.749  1.0
  O  O41  1  0.555  0.092  0.751  1.0
  O  O42  1  0.092  0.555  0.251  1.0
  O  O43  1  0.445  0.908  0.249  1.0
  O  O44  1  0.210  0.366  0.700  1.0
  O  O45  1  0.634  0.790  0.800  1.0
  O  O46  1  0.790  0.634  0.300  1.0
  O  O47  1  0.366  0.210  0.200  1.0
  O  O48  1  0.576  0.460  0.898  1.0
  O  O49  1  0.540  0.424  0.602  1.0
  O  O50  1  0.424  0.540  0.102  1.0
  O  O51  1  0.460  0.576  0.398  1.0
[/CIF]
.
The compound described by TbMo2SbO9 crystallizes in the monoclinic C2/c space group. There are two inequivalent Tb sites. In the first Tb site, Tb(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 Tb site, Tb(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 Tb(2) and one Mo(1) atom. In the second O site, O(9) is bonded in a distorted trigonal planar geometry to one Tb(1) and two equivalent Sb(1) atoms. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one Tb(1) and one Mo(1) atom. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Tb(2) and one Mo(1) atom. In the fifth O site, O(4) is bonded in a distorted trigonal planar geometry to one Tb(1), one Mo(1), and one Sb(1) atom. In the sixth O site, O(5) is bonded in a linear geometry to one Tb(2) and one Mo(2) atom. In the seventh O site, O(6) is bonded in a bent 150 degrees geometry to one Tb(2) and one Mo(2) atom. In the eighth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Tb(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 Crystallographic Information File (CIF) [CIF]
data_TbSbMo2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.713
_cell_length_b   9.713
_cell_length_c   10.873
_cell_angle_alpha   68.068
_cell_angle_beta   68.068
_cell_angle_gamma   95.204
_symmetry_Int_Tables_number   1
_cell_volume   850.498
_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
  Tb  Tb0  1  0.671  0.329  0.750  1.0
  Tb  Tb1  1  0.329  0.671  0.250  1.0
  Tb  Tb2  1  0.125  0.875  0.750  1.0
  Tb  Tb3  1  0.875  0.125  0.250  1.0
  Sb  Sb4  1  0.651  0.618  0.965  1.0
  Sb  Sb5  1  0.382  0.349  0.535  1.0
  Sb  Sb6  1  0.349  0.382  0.035  1.0
  Sb  Sb7  1  0.618  0.651  0.465  1.0
  Mo  Mo8  1  0.047  0.260  0.473  1.0
  Mo  Mo9  1  0.740  0.953  0.027  1.0
  Mo  Mo10  1  0.953  0.740  0.527  1.0
  Mo  Mo11  1  0.260  0.047  0.973  1.0
  Mo  Mo12  1  0.059  0.434  0.805  1.0
  Mo  Mo13  1  0.566  0.941  0.695  1.0
  Mo  Mo14  1  0.941  0.566  0.195  1.0
  Mo  Mo15  1  0.434  0.059  0.305  1.0
  O  O16  1  0.065  0.095  0.602  1.0
  O  O17  1  0.905  0.935  0.898  1.0
  O  O18  1  0.935  0.905  0.398  1.0
  O  O19  1  0.095  0.065  0.102  1.0
  O  O20  1  0.871  0.300  0.565  1.0
  O  O21  1  0.700  0.129  0.935  1.0
  O  O22  1  0.129  0.700  0.435  1.0
  O  O23  1  0.300  0.871  0.065  1.0
  O  O24  1  0.045  0.222  0.324  1.0
  O  O25  1  0.778  0.955  0.176  1.0
  O  O26  1  0.955  0.778  0.676  1.0
  O  O27  1  0.222  0.045  0.824  1.0
  O  O28  1  0.777  0.596  0.579  1.0
  O  O29  1  0.404  0.223  0.921  1.0
  O  O30  1  0.223  0.404  0.421  1.0
  O  O31  1  0.596  0.777  0.079  1.0
  O  O32  1  0.979  0.304  0.996  1.0
  O  O33  1  0.696  0.021  0.504  1.0
  O  O34  1  0.021  0.696  0.004  1.0
  O  O35  1  0.304  0.979  0.496  1.0
  O  O36  1  0.145  0.620  0.774  1.0
  O  O37  1  0.380  0.855  0.726  1.0
  O  O38  1  0.855  0.380  0.226  1.0
  O  O39  1  0.620  0.145  0.274  1.0
  O  O40  1  0.908  0.445  0.749  1.0
  O  O41  1  0.555  0.092  0.751  1.0
  O  O42  1  0.092  0.555  0.251  1.0
  O  O43  1  0.445  0.908  0.249  1.0
  O  O44  1  0.210  0.366  0.700  1.0
  O  O45  1  0.634  0.790  0.800  1.0
  O  O46  1  0.790  0.634  0.300  1.0
  O  O47  1  0.366  0.210  0.200  1.0
  O  O48  1  0.576  0.460  0.898  1.0
  O  O49  1  0.540  0.424  0.602  1.0
  O  O50  1  0.424  0.540  0.102  1.0
  O  O51  1  0.460  0.576  0.398  1.0
[/CIF]
.