The crystal structure described by KCr3BiO12 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(5), one O(9), and two equivalent O(10) atoms. There are three inequivalent Cr sites. In the first Cr site, Cr(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 Cr site, Cr(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing CrO4 tetrahedra. In the third Cr site, Cr(3) is bonded to one O(10), one O(11), one O(8), and one O(9) atom to form corner-sharing CrO4 tetrahedra. Bi(1) is bonded in a 8-coordinate geometry to one O(12), one O(3), one O(4), one O(5), one O(7), one O(9), and two equivalent O(2) atoms. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a bent 120 degrees geometry to one K(1) and one Bi(1) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to one K(1) and one Cr(1) atom. In the third O site, O(2) is bonded in a distorted single-bond geometry to one Cr(1) and two equivalent Bi(1) atoms. In the fourth O site, O(3) is bonded in a 2-coordinate geometry to one K(1), one Cr(1), and one Bi(1) atom. In the fifth O site, O(4) is bonded in a distorted linear geometry to one Cr(1) and one Bi(1) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one Cr(2), and one Bi(1) atom. In the seventh O site, O(6) is bonded in a single-bond geometry to one Cr(2) atom. In the eighth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one Bi(1) atom. In the ninth O site, O(8) is bonded in a bent 120 degrees geometry to one Cr(2) and one Cr(3) atom. In the tenth O site, O(9) is bonded in a distorted single-bond geometry to one K(1), one Cr(3), and one Bi(1) atom. In the eleventh O site, O(10) is bonded in a distorted single-bond geometry to two equivalent K(1) and one Cr(3) atom. In the twelfth O site, O(11) is bonded in a single-bond geometry to one K(1) and one Cr(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KCr3BiO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.967
_cell_length_b   7.304
_cell_length_c   11.069
_cell_angle_alpha   97.800
_cell_angle_beta   91.941
_cell_angle_gamma   96.038
_symmetry_Int_Tables_number   1
_cell_volume   554.340
_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
  K  K0  1  0.144  0.008  0.677  1.0
  K  K1  1  0.856  0.992  0.323  1.0
  Cr  Cr2  1  0.841  0.758  0.962  1.0
  Cr  Cr3  1  0.159  0.242  0.038  1.0
  Cr  Cr4  1  0.637  0.473  0.254  1.0
  Cr  Cr5  1  0.363  0.527  0.746  1.0
  Cr  Cr6  1  0.395  0.182  0.386  1.0
  Cr  Cr7  1  0.605  0.818  0.614  1.0
  Bi  Bi8  1  0.354  0.781  0.080  1.0
  Bi  Bi9  1  0.646  0.219  0.920  1.0
  O  O10  1  0.931  0.795  0.834  1.0
  O  O11  1  0.069  0.205  0.166  1.0
  O  O12  1  0.321  0.086  0.001  1.0
  O  O13  1  0.679  0.914  0.999  1.0
  O  O14  1  0.025  0.787  0.071  1.0
  O  O15  1  0.975  0.213  0.929  1.0
  O  O16  1  0.276  0.456  0.052  1.0
  O  O17  1  0.724  0.544  0.948  1.0
  O  O18  1  0.612  0.678  0.209  1.0
  O  O19  1  0.388  0.322  0.791  1.0
  O  O20  1  0.821  0.493  0.348  1.0
  O  O21  1  0.179  0.507  0.652  1.0
  O  O22  1  0.333  0.688  0.862  1.0
  O  O23  1  0.667  0.312  0.138  1.0
  O  O24  1  0.575  0.602  0.671  1.0
  O  O25  1  0.425  0.398  0.329  1.0
  O  O26  1  0.595  0.991  0.731  1.0
  O  O27  1  0.405  0.009  0.269  1.0
  O  O28  1  0.806  0.843  0.545  1.0
  O  O29  1  0.194  0.157  0.455  1.0
  O  O30  1  0.422  0.818  0.520  1.0
  O  O31  1  0.578  0.182  0.480  1.0
  O  O32  1  0.191  0.756  0.269  1.0
  O  O33  1  0.809  0.244  0.731  1.0
[/CIF]
.
The crystal structure described by KCr3BiO12 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(5), one O(9), and two equivalent O(10) atoms. There are three inequivalent Cr sites. In the first Cr site, Cr(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 Cr site, Cr(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing CrO4 tetrahedra. In the third Cr site, Cr(3) is bonded to one O(10), one O(11), one O(8), and one O(9) atom to form corner-sharing CrO4 tetrahedra. Bi(1) is bonded in a 8-coordinate geometry to one O(12), one O(3), one O(4), one O(5), one O(7), one O(9), and two equivalent O(2) atoms. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a bent 120 degrees geometry to one K(1) and one Bi(1) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to one K(1) and one Cr(1) atom. In the third O site, O(2) is bonded in a distorted single-bond geometry to one Cr(1) and two equivalent Bi(1) atoms. In the fourth O site, O(3) is bonded in a 2-coordinate geometry to one K(1), one Cr(1), and one Bi(1) atom. In the fifth O site, O(4) is bonded in a distorted linear geometry to one Cr(1) and one Bi(1) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one Cr(2), and one Bi(1) atom. In the seventh O site, O(6) is bonded in a single-bond geometry to one Cr(2) atom. In the eighth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one Bi(1) atom. In the ninth O site, O(8) is bonded in a bent 120 degrees geometry to one Cr(2) and one Cr(3) atom. In the tenth O site, O(9) is bonded in a distorted single-bond geometry to one K(1), one Cr(3), and one Bi(1) atom. In the eleventh O site, O(10) is bonded in a distorted single-bond geometry to two equivalent K(1) and one Cr(3) atom. In the twelfth O site, O(11) is bonded in a single-bond geometry to one K(1) and one Cr(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KCr3BiO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.967
_cell_length_b   7.304
_cell_length_c   11.069
_cell_angle_alpha   97.800
_cell_angle_beta   91.941
_cell_angle_gamma   96.038
_symmetry_Int_Tables_number   1
_cell_volume   554.340
_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
  K  K0  1  0.144  0.008  0.677  1.0
  K  K1  1  0.856  0.992  0.323  1.0
  Cr  Cr2  1  0.841  0.758  0.962  1.0
  Cr  Cr3  1  0.159  0.242  0.038  1.0
  Cr  Cr4  1  0.637  0.473  0.254  1.0
  Cr  Cr5  1  0.363  0.527  0.746  1.0
  Cr  Cr6  1  0.395  0.182  0.386  1.0
  Cr  Cr7  1  0.605  0.818  0.614  1.0
  Bi  Bi8  1  0.354  0.781  0.080  1.0
  Bi  Bi9  1  0.646  0.219  0.920  1.0
  O  O10  1  0.931  0.795  0.834  1.0
  O  O11  1  0.069  0.205  0.166  1.0
  O  O12  1  0.321  0.086  0.001  1.0
  O  O13  1  0.679  0.914  0.999  1.0
  O  O14  1  0.025  0.787  0.071  1.0
  O  O15  1  0.975  0.213  0.929  1.0
  O  O16  1  0.276  0.456  0.052  1.0
  O  O17  1  0.724  0.544  0.948  1.0
  O  O18  1  0.612  0.678  0.209  1.0
  O  O19  1  0.388  0.322  0.791  1.0
  O  O20  1  0.821  0.493  0.348  1.0
  O  O21  1  0.179  0.507  0.652  1.0
  O  O22  1  0.333  0.688  0.862  1.0
  O  O23  1  0.667  0.312  0.138  1.0
  O  O24  1  0.575  0.602  0.671  1.0
  O  O25  1  0.425  0.398  0.329  1.0
  O  O26  1  0.595  0.991  0.731  1.0
  O  O27  1  0.405  0.009  0.269  1.0
  O  O28  1  0.806  0.843  0.545  1.0
  O  O29  1  0.194  0.157  0.455  1.0
  O  O30  1  0.422  0.818  0.520  1.0
  O  O31  1  0.578  0.182  0.480  1.0
  O  O32  1  0.191  0.756  0.269  1.0
  O  O33  1  0.809  0.244  0.731  1.0
[/CIF]
.