The compound described by Bi4Ge3O12 crystallizes in the cubic I-43d space group. Ge(1) is bonded in a tetrahedral geometry to four equivalent O(1) atoms. Bi(1) is bonded in a 6-coordinate geometry to six equivalent O(1) atoms. O(1) is bonded in a 3-coordinate geometry to one Ge(1) and two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_Ge3(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.099
_cell_length_b   9.099
_cell_length_c   9.099
_cell_angle_alpha   109.471
_cell_angle_beta   109.471
_cell_angle_gamma   109.471
_symmetry_Int_Tables_number   1
_cell_volume   579.873
_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
  Ge  Ge0  1  0.875  0.250  0.125  1.0
  Ge  Ge1  1  0.125  0.875  0.250  1.0
  Ge  Ge2  1  0.375  0.625  0.750  1.0
  Ge  Ge3  1  0.250  0.125  0.875  1.0
  Ge  Ge4  1  0.750  0.375  0.625  1.0
  Ge  Ge5  1  0.625  0.750  0.375  1.0
  Bi  Bi6  1  0.500  1.000  0.670  1.0
  Bi  Bi7  1  0.170  0.500  1.000  1.0
  Bi  Bi8  1  0.330  0.330  0.330  1.0
  Bi  Bi9  1  0.000  0.170  0.500  1.0
  Bi  Bi10  1  0.830  0.830  0.830  1.0
  Bi  Bi11  1  0.000  0.670  0.500  1.0
  Bi  Bi12  1  0.670  0.500  0.000  1.0
  Bi  Bi13  1  0.500  0.000  0.170  1.0
  O  O14  1  0.696  0.336  0.782  1.0
  O  O15  1  0.782  0.696  0.336  1.0
  O  O16  1  0.586  0.640  0.804  1.0
  O  O17  1  0.446  0.164  0.860  1.0
  O  O18  1  0.718  0.054  0.914  1.0
  O  O19  1  0.336  0.782  0.696  1.0
  O  O20  1  0.360  0.664  0.946  1.0
  O  O21  1  0.218  0.414  0.554  1.0
  O  O22  1  0.140  0.086  0.304  1.0
  O  O23  1  0.554  0.218  0.414  1.0
  O  O24  1  0.664  0.946  0.360  1.0
  O  O25  1  0.836  0.196  0.282  1.0
  O  O26  1  0.196  0.282  0.836  1.0
  O  O27  1  0.414  0.554  0.218  1.0
  O  O28  1  0.282  0.836  0.196  1.0
  O  O29  1  0.914  0.718  0.054  1.0
  O  O30  1  0.164  0.860  0.446  1.0
  O  O31  1  0.640  0.804  0.586  1.0
  O  O32  1  0.860  0.446  0.164  1.0
  O  O33  1  0.054  0.914  0.718  1.0
  O  O34  1  0.804  0.586  0.640  1.0
  O  O35  1  0.946  0.360  0.664  1.0
  O  O36  1  0.086  0.304  0.140  1.0
  O  O37  1  0.304  0.140  0.086  1.0
[/CIF]
.
The compound described by Bi4Ge3O12 crystallizes in the cubic I-43d space group. Ge(1) is bonded in a tetrahedral geometry to four equivalent O(1) atoms. Bi(1) is bonded in a 6-coordinate geometry to six equivalent O(1) atoms. O(1) is bonded in a 3-coordinate geometry to one Ge(1) and two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_Ge3(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.099
_cell_length_b   9.099
_cell_length_c   9.099
_cell_angle_alpha   109.471
_cell_angle_beta   109.471
_cell_angle_gamma   109.471
_symmetry_Int_Tables_number   1
_cell_volume   579.873
_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
  Ge  Ge0  1  0.875  0.250  0.125  1.0
  Ge  Ge1  1  0.125  0.875  0.250  1.0
  Ge  Ge2  1  0.375  0.625  0.750  1.0
  Ge  Ge3  1  0.250  0.125  0.875  1.0
  Ge  Ge4  1  0.750  0.375  0.625  1.0
  Ge  Ge5  1  0.625  0.750  0.375  1.0
  Bi  Bi6  1  0.500  1.000  0.670  1.0
  Bi  Bi7  1  0.170  0.500  1.000  1.0
  Bi  Bi8  1  0.330  0.330  0.330  1.0
  Bi  Bi9  1  0.000  0.170  0.500  1.0
  Bi  Bi10  1  0.830  0.830  0.830  1.0
  Bi  Bi11  1  0.000  0.670  0.500  1.0
  Bi  Bi12  1  0.670  0.500  0.000  1.0
  Bi  Bi13  1  0.500  0.000  0.170  1.0
  O  O14  1  0.696  0.336  0.782  1.0
  O  O15  1  0.782  0.696  0.336  1.0
  O  O16  1  0.586  0.640  0.804  1.0
  O  O17  1  0.446  0.164  0.860  1.0
  O  O18  1  0.718  0.054  0.914  1.0
  O  O19  1  0.336  0.782  0.696  1.0
  O  O20  1  0.360  0.664  0.946  1.0
  O  O21  1  0.218  0.414  0.554  1.0
  O  O22  1  0.140  0.086  0.304  1.0
  O  O23  1  0.554  0.218  0.414  1.0
  O  O24  1  0.664  0.946  0.360  1.0
  O  O25  1  0.836  0.196  0.282  1.0
  O  O26  1  0.196  0.282  0.836  1.0
  O  O27  1  0.414  0.554  0.218  1.0
  O  O28  1  0.282  0.836  0.196  1.0
  O  O29  1  0.914  0.718  0.054  1.0
  O  O30  1  0.164  0.860  0.446  1.0
  O  O31  1  0.640  0.804  0.586  1.0
  O  O32  1  0.860  0.446  0.164  1.0
  O  O33  1  0.054  0.914  0.718  1.0
  O  O34  1  0.804  0.586  0.640  1.0
  O  O35  1  0.946  0.360  0.664  1.0
  O  O36  1  0.086  0.304  0.140  1.0
  O  O37  1  0.304  0.140  0.086  1.0
[/CIF]
.