The crystal structure described by BiCd2AsO6 crystallizes in the orthorhombic Cmc2_1 space group. Cd(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms. Bi(1) is bonded in a 4-coordinate geometry to four equivalent O(1) atoms. As(1) is bonded in a tetrahedral geometry to one O(3), one O(4), and two equivalent O(2) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Cd(1) and two equivalent Bi(1) atoms to form a mixture of corner and edge-sharing OCd2Bi2 tetrahedra. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one As(1) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Cd(1) and one As(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to two equivalent Cd(1) and one As(1) atom. is represented by the CIF file [CIF]
data_Cd2BiAsO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.530
_cell_length_b   7.530
_cell_length_c   5.528
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   108.130
_symmetry_Int_Tables_number   1
_cell_volume   297.862
_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
  Cd  Cd0  1  0.407  0.198  0.386  1.0
  Cd  Cd1  1  0.802  0.593  0.386  1.0
  Cd  Cd2  1  0.593  0.802  0.886  1.0
  Cd  Cd3  1  0.198  0.407  0.886  1.0
  Bi  Bi4  1  0.906  0.094  0.392  1.0
  Bi  Bi5  1  0.094  0.906  0.892  1.0
  As  As6  1  0.317  0.683  0.346  1.0
  As  As7  1  0.683  0.317  0.846  1.0
  O  O8  1  0.157  0.152  0.632  1.0
  O  O9  1  0.093  0.586  0.236  1.0
  O  O10  1  0.152  0.157  0.132  1.0
  O  O11  1  0.848  0.843  0.632  1.0
  O  O12  1  0.843  0.848  0.132  1.0
  O  O13  1  0.557  0.443  0.702  1.0
  O  O14  1  0.320  0.680  0.661  1.0
  O  O15  1  0.907  0.414  0.736  1.0
  O  O16  1  0.586  0.093  0.736  1.0
  O  O17  1  0.443  0.557  0.202  1.0
  O  O18  1  0.680  0.320  0.161  1.0
  O  O19  1  0.414  0.907  0.236  1.0
[/CIF]
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The crystal structure described by BiCd2AsO6 crystallizes in the orthorhombic Cmc2_1 space group. Cd(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms. Bi(1) is bonded in a 4-coordinate geometry to four equivalent O(1) atoms. As(1) is bonded in a tetrahedral geometry to one O(3), one O(4), and two equivalent O(2) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Cd(1) and two equivalent Bi(1) atoms to form a mixture of corner and edge-sharing OCd2Bi2 tetrahedra. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one As(1) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Cd(1) and one As(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to two equivalent Cd(1) and one As(1) atom. is represented by the CIF file [CIF]
data_Cd2BiAsO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.530
_cell_length_b   7.530
_cell_length_c   5.528
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   108.130
_symmetry_Int_Tables_number   1
_cell_volume   297.862
_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
  Cd  Cd0  1  0.407  0.198  0.386  1.0
  Cd  Cd1  1  0.802  0.593  0.386  1.0
  Cd  Cd2  1  0.593  0.802  0.886  1.0
  Cd  Cd3  1  0.198  0.407  0.886  1.0
  Bi  Bi4  1  0.906  0.094  0.392  1.0
  Bi  Bi5  1  0.094  0.906  0.892  1.0
  As  As6  1  0.317  0.683  0.346  1.0
  As  As7  1  0.683  0.317  0.846  1.0
  O  O8  1  0.157  0.152  0.632  1.0
  O  O9  1  0.093  0.586  0.236  1.0
  O  O10  1  0.152  0.157  0.132  1.0
  O  O11  1  0.848  0.843  0.632  1.0
  O  O12  1  0.843  0.848  0.132  1.0
  O  O13  1  0.557  0.443  0.702  1.0
  O  O14  1  0.320  0.680  0.661  1.0
  O  O15  1  0.907  0.414  0.736  1.0
  O  O16  1  0.586  0.093  0.736  1.0
  O  O17  1  0.443  0.557  0.202  1.0
  O  O18  1  0.680  0.320  0.161  1.0
  O  O19  1  0.414  0.907  0.236  1.0
[/CIF]
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