The material described by CaBiSbO5 crystallizes in the monoclinic P2_1/c space group. Ca(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form CaO6 octahedra that share corners with four equivalent Sb(1)O4 tetrahedra and  an edgeedge with one Ca(1)O6 octahedra. Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms. Sb(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form SbO4 tetrahedra that share corners with four equivalent Ca(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-56°. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ca(1), one Bi(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ca(1), one Bi(1), and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Ca(1), one Bi(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded to two equivalent Ca(1) and two equivalent Bi(1) atoms to form edge-sharing OCa2Bi2 tetrahedra. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Ca(1), one Bi(1), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CaBiSbO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.202
_cell_length_b   5.943
_cell_length_c   8.575
_cell_angle_alpha   70.403
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   585.820
_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
  Ca  Ca0  1  0.086  0.551  0.817  1.0
  Ca  Ca1  1  0.914  0.449  0.183  1.0
  Ca  Ca2  1  0.586  0.449  0.683  1.0
  Ca  Ca3  1  0.414  0.551  0.317  1.0
  Bi  Bi4  1  0.907  0.033  0.843  1.0
  Bi  Bi5  1  0.093  0.967  0.157  1.0
  Bi  Bi6  1  0.593  0.033  0.343  1.0
  Bi  Bi7  1  0.407  0.967  0.657  1.0
  Sb  Sb8  1  0.356  0.162  0.032  1.0
  Sb  Sb9  1  0.644  0.838  0.968  1.0
  Sb  Sb10  1  0.856  0.838  0.468  1.0
  Sb  Sb11  1  0.144  0.162  0.532  1.0
  O  O12  1  0.931  0.783  0.673  1.0
  O  O13  1  0.055  0.270  0.676  1.0
  O  O14  1  0.811  0.160  0.368  1.0
  O  O15  1  0.476  0.773  0.487  1.0
  O  O16  1  0.712  0.698  0.502  1.0
  O  O17  1  0.788  0.698  0.002  1.0
  O  O18  1  0.445  0.270  0.176  1.0
  O  O19  1  0.555  0.730  0.824  1.0
  O  O20  1  0.524  0.227  0.513  1.0
  O  O21  1  0.431  0.217  0.827  1.0
  O  O22  1  0.288  0.302  0.498  1.0
  O  O23  1  0.069  0.217  0.327  1.0
  O  O24  1  0.569  0.783  0.173  1.0
  O  O25  1  0.212  0.302  0.998  1.0
  O  O26  1  0.976  0.227  0.013  1.0
  O  O27  1  0.024  0.773  0.987  1.0
  O  O28  1  0.189  0.840  0.632  1.0
  O  O29  1  0.945  0.730  0.324  1.0
  O  O30  1  0.311  0.840  0.132  1.0
  O  O31  1  0.689  0.160  0.868  1.0
[/CIF]
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The material described by CaBiSbO5 crystallizes in the monoclinic P2_1/c space group. Ca(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form CaO6 octahedra that share corners with four equivalent Sb(1)O4 tetrahedra and  an edgeedge with one Ca(1)O6 octahedra. Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms. Sb(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form SbO4 tetrahedra that share corners with four equivalent Ca(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-56°. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ca(1), one Bi(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ca(1), one Bi(1), and one Sb(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Ca(1), one Bi(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded to two equivalent Ca(1) and two equivalent Bi(1) atoms to form edge-sharing OCa2Bi2 tetrahedra. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Ca(1), one Bi(1), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CaBiSbO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.202
_cell_length_b   5.943
_cell_length_c   8.575
_cell_angle_alpha   70.403
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   585.820
_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
  Ca  Ca0  1  0.086  0.551  0.817  1.0
  Ca  Ca1  1  0.914  0.449  0.183  1.0
  Ca  Ca2  1  0.586  0.449  0.683  1.0
  Ca  Ca3  1  0.414  0.551  0.317  1.0
  Bi  Bi4  1  0.907  0.033  0.843  1.0
  Bi  Bi5  1  0.093  0.967  0.157  1.0
  Bi  Bi6  1  0.593  0.033  0.343  1.0
  Bi  Bi7  1  0.407  0.967  0.657  1.0
  Sb  Sb8  1  0.356  0.162  0.032  1.0
  Sb  Sb9  1  0.644  0.838  0.968  1.0
  Sb  Sb10  1  0.856  0.838  0.468  1.0
  Sb  Sb11  1  0.144  0.162  0.532  1.0
  O  O12  1  0.931  0.783  0.673  1.0
  O  O13  1  0.055  0.270  0.676  1.0
  O  O14  1  0.811  0.160  0.368  1.0
  O  O15  1  0.476  0.773  0.487  1.0
  O  O16  1  0.712  0.698  0.502  1.0
  O  O17  1  0.788  0.698  0.002  1.0
  O  O18  1  0.445  0.270  0.176  1.0
  O  O19  1  0.555  0.730  0.824  1.0
  O  O20  1  0.524  0.227  0.513  1.0
  O  O21  1  0.431  0.217  0.827  1.0
  O  O22  1  0.288  0.302  0.498  1.0
  O  O23  1  0.069  0.217  0.327  1.0
  O  O24  1  0.569  0.783  0.173  1.0
  O  O25  1  0.212  0.302  0.998  1.0
  O  O26  1  0.976  0.227  0.013  1.0
  O  O27  1  0.024  0.773  0.987  1.0
  O  O28  1  0.189  0.840  0.632  1.0
  O  O29  1  0.945  0.730  0.324  1.0
  O  O30  1  0.311  0.840  0.132  1.0
  O  O31  1  0.689  0.160  0.868  1.0
[/CIF]
.