The material structure described by Fe4Co(BiO3)5 crystallizes in the triclinic P1 space group. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(6), one O(7), and two equivalent O(2) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the second Fe site, Fe(2) is bonded to one O(13), one O(7), one O(8), and two equivalent O(3) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the third Fe site, Fe(3) is bonded to one O(14), one O(8), one O(9), and two equivalent O(4) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(15), one O(9), and two equivalent O(5) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. Co(1) is bonded in a 5-coordinate geometry to one O(10), one O(11), one O(6), and two equivalent O(1) atoms. There are five inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(11), one O(4), one O(5), and two equivalent O(9) atoms. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(10), and two equivalent O(12) atoms. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(2), and two equivalent O(6) atoms. In the fourth Bi site, Bi(4) is bonded in a 5-coordinate geometry to one O(14), one O(2), one O(3), and two equivalent O(7) atoms. In the fifth Bi site, Bi(5) is bonded in a 5-coordinate geometry to one O(15), one O(3), one O(4), and two equivalent O(8) atoms. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Co(1), one Bi(2), and one Bi(3) atom to form distorted OCo2Bi2 tetrahedra that share  a cornercorner with one O(2)Fe2Bi2 tetrahedra,  a cornercorner with one O(5)Fe2Bi2 tetrahedra, corners with two equivalent O(1)Co2Bi2 tetrahedra, edges with two equivalent O(10)FeCoBi2 tetrahedra, and edges with two equivalent O(6)FeCoBi2 tetrahedra. In the second O site, O(2) is bonded to two equivalent Fe(1), one Bi(3), and one Bi(4) atom to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(1)Co2Bi2 tetrahedra,  a cornercorner with one O(3)Fe2Bi2 tetrahedra, corners with two equivalent O(2)Fe2Bi2 tetrahedra, edges with two equivalent O(7)Fe2Bi2 tetrahedra, and edges with two equivalent O(6)FeCoBi2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Fe(2), one Bi(4), and one Bi(5) atom to form a mixture of distorted edge and corner-sharing OFe2Bi2 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Fe(3), one Bi(1), and one Bi(5) atom to form a mixture of distorted edge and corner-sharing OFe2Bi2 tetrahedra. In the fifth O site, O(5) is bonded to two equivalent Fe(4), one Bi(1), and one Bi(2) atom to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(1)Co2Bi2 tetrahedra,  a cornercorner with one O(4)Fe2Bi2 tetrahedra, corners with two equivalent O(5)Fe2Bi2 tetrahedra, edges with two equivalent O(9)Fe2Bi2 tetrahedra, and edges with two equivalent O(10)FeCoBi2 tetrahedra. In the sixth O site, O(6) is bonded to one Fe(1), one Co(1), and two equivalent Bi(3) atoms to form distorted OFeCoBi2 tetrahedra that share  a cornercorner with one O(7)Fe2Bi2 tetrahedra,  a cornercorner with one O(10)FeCoBi2 tetrahedra, corners with two equivalent O(6)FeCoBi2 tetrahedra, edges with two equivalent O(1)Co2Bi2 tetrahedra, and edges with two equivalent O(2)Fe2Bi2 tetrahedra. In the seventh O site, O(7) is bonded to one Fe(1), one Fe(2), and two equivalent Bi(4) atoms to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(8)Fe2Bi2 tetrahedra,  a cornercorner with one O(6)FeCoBi2 tetrahedra, corners with two equivalent O(7)Fe2Bi2 tetrahedra, edges with two equivalent O(2)Fe2Bi2 tetrahedra, and edges with two equivalent O(3)Fe2Bi2 tetrahedra. In the eighth O site, O(8) is bonded to one Fe(2), one Fe(3), and two equivalent Bi(5) atoms to form a mixture of distorted edge and corner-sharing OFe2Bi2 tetrahedra. In the ninth O site, O(9) is bonded to one Fe(3), one Fe(4), and two equivalent Bi(1) atoms to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(8)Fe2Bi2 tetrahedra,  a cornercorner with one O(10)FeCoBi2 tetrahedra, corners with two equivalent O(9)Fe2Bi2 tetrahedra, edges with two equivalent O(4)Fe2Bi2 tetrahedra, and edges with two equivalent O(5)Fe2Bi2 tetrahedra. In the tenth O site, O(10) is bonded to one Fe(4), one Co(1), and two equivalent Bi(2) atoms to form distorted OFeCoBi2 tetrahedra that share  a cornercorner with one O(9)Fe2Bi2 tetrahedra,  a cornercorner with one O(6)FeCoBi2 tetrahedra, corners with two equivalent O(10)FeCoBi2 tetrahedra, edges with two equivalent O(1)Co2Bi2 tetrahedra, and edges with two equivalent O(5)Fe2Bi2 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Co(1) and one Bi(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Fe(1) and two equivalent Bi(2) atoms. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Fe(2) and one Bi(3) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Fe(3) and one Bi(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Fe(4) and one Bi(5) atom. is represented by the CIF card [CIF]
data_Fe4Co(BiO3)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.795
_cell_length_b   6.342
_cell_length_c   14.721
_cell_angle_alpha   87.931
_cell_angle_beta   88.830
_cell_angle_gamma   88.185
_symmetry_Int_Tables_number   1
_cell_volume   353.818
_cell_formula_units_Z   1
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
  Fe  Fe0  1  0.512  0.752  0.411  1.0
  Fe  Fe1  1  0.514  0.349  0.610  1.0
  Fe  Fe2  1  0.514  0.944  0.810  1.0
  Fe  Fe3  1  0.514  0.546  0.012  1.0
  Co  Co4  1  0.515  0.138  0.209  1.0
  Bi  Bi5  1  0.975  0.981  0.004  1.0
  Bi  Bi6  1  0.972  0.568  0.210  1.0
  Bi  Bi7  1  0.965  0.181  0.404  1.0
  Bi  Bi8  1  0.968  0.782  0.605  1.0
  Bi  Bi9  1  0.964  0.378  0.806  1.0
  O  O10  1  0.010  0.228  0.241  1.0
  O  O11  1  0.008  0.835  0.439  1.0
  O  O12  1  0.011  0.435  0.640  1.0
  O  O13  1  0.009  0.029  0.841  1.0
  O  O14  1  0.009  0.637  0.039  1.0
  O  O15  1  0.511  0.034  0.340  1.0
  O  O16  1  0.514  0.633  0.540  1.0
  O  O17  1  0.517  0.225  0.740  1.0
  O  O18  1  0.511  0.833  0.941  1.0
  O  O19  1  0.516  0.426  0.141  1.0
  O  O20  1  0.538  0.939  0.129  1.0
  O  O21  1  0.541  0.534  0.328  1.0
  O  O22  1  0.543  0.135  0.528  1.0
  O  O23  1  0.540  0.732  0.728  1.0
  O  O24  1  0.541  0.334  0.928  1.0
[/CIF]
.
The material structure described by Fe4Co(BiO3)5 crystallizes in the triclinic P1 space group. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(6), one O(7), and two equivalent O(2) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the second Fe site, Fe(2) is bonded to one O(13), one O(7), one O(8), and two equivalent O(3) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the third Fe site, Fe(3) is bonded to one O(14), one O(8), one O(9), and two equivalent O(4) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(15), one O(9), and two equivalent O(5) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. Co(1) is bonded in a 5-coordinate geometry to one O(10), one O(11), one O(6), and two equivalent O(1) atoms. There are five inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(11), one O(4), one O(5), and two equivalent O(9) atoms. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(10), and two equivalent O(12) atoms. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(2), and two equivalent O(6) atoms. In the fourth Bi site, Bi(4) is bonded in a 5-coordinate geometry to one O(14), one O(2), one O(3), and two equivalent O(7) atoms. In the fifth Bi site, Bi(5) is bonded in a 5-coordinate geometry to one O(15), one O(3), one O(4), and two equivalent O(8) atoms. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Co(1), one Bi(2), and one Bi(3) atom to form distorted OCo2Bi2 tetrahedra that share  a cornercorner with one O(2)Fe2Bi2 tetrahedra,  a cornercorner with one O(5)Fe2Bi2 tetrahedra, corners with two equivalent O(1)Co2Bi2 tetrahedra, edges with two equivalent O(10)FeCoBi2 tetrahedra, and edges with two equivalent O(6)FeCoBi2 tetrahedra. In the second O site, O(2) is bonded to two equivalent Fe(1), one Bi(3), and one Bi(4) atom to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(1)Co2Bi2 tetrahedra,  a cornercorner with one O(3)Fe2Bi2 tetrahedra, corners with two equivalent O(2)Fe2Bi2 tetrahedra, edges with two equivalent O(7)Fe2Bi2 tetrahedra, and edges with two equivalent O(6)FeCoBi2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Fe(2), one Bi(4), and one Bi(5) atom to form a mixture of distorted edge and corner-sharing OFe2Bi2 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Fe(3), one Bi(1), and one Bi(5) atom to form a mixture of distorted edge and corner-sharing OFe2Bi2 tetrahedra. In the fifth O site, O(5) is bonded to two equivalent Fe(4), one Bi(1), and one Bi(2) atom to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(1)Co2Bi2 tetrahedra,  a cornercorner with one O(4)Fe2Bi2 tetrahedra, corners with two equivalent O(5)Fe2Bi2 tetrahedra, edges with two equivalent O(9)Fe2Bi2 tetrahedra, and edges with two equivalent O(10)FeCoBi2 tetrahedra. In the sixth O site, O(6) is bonded to one Fe(1), one Co(1), and two equivalent Bi(3) atoms to form distorted OFeCoBi2 tetrahedra that share  a cornercorner with one O(7)Fe2Bi2 tetrahedra,  a cornercorner with one O(10)FeCoBi2 tetrahedra, corners with two equivalent O(6)FeCoBi2 tetrahedra, edges with two equivalent O(1)Co2Bi2 tetrahedra, and edges with two equivalent O(2)Fe2Bi2 tetrahedra. In the seventh O site, O(7) is bonded to one Fe(1), one Fe(2), and two equivalent Bi(4) atoms to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(8)Fe2Bi2 tetrahedra,  a cornercorner with one O(6)FeCoBi2 tetrahedra, corners with two equivalent O(7)Fe2Bi2 tetrahedra, edges with two equivalent O(2)Fe2Bi2 tetrahedra, and edges with two equivalent O(3)Fe2Bi2 tetrahedra. In the eighth O site, O(8) is bonded to one Fe(2), one Fe(3), and two equivalent Bi(5) atoms to form a mixture of distorted edge and corner-sharing OFe2Bi2 tetrahedra. In the ninth O site, O(9) is bonded to one Fe(3), one Fe(4), and two equivalent Bi(1) atoms to form distorted OFe2Bi2 tetrahedra that share  a cornercorner with one O(8)Fe2Bi2 tetrahedra,  a cornercorner with one O(10)FeCoBi2 tetrahedra, corners with two equivalent O(9)Fe2Bi2 tetrahedra, edges with two equivalent O(4)Fe2Bi2 tetrahedra, and edges with two equivalent O(5)Fe2Bi2 tetrahedra. In the tenth O site, O(10) is bonded to one Fe(4), one Co(1), and two equivalent Bi(2) atoms to form distorted OFeCoBi2 tetrahedra that share  a cornercorner with one O(9)Fe2Bi2 tetrahedra,  a cornercorner with one O(6)FeCoBi2 tetrahedra, corners with two equivalent O(10)FeCoBi2 tetrahedra, edges with two equivalent O(1)Co2Bi2 tetrahedra, and edges with two equivalent O(5)Fe2Bi2 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Co(1) and one Bi(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Fe(1) and two equivalent Bi(2) atoms. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Fe(2) and one Bi(3) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Fe(3) and one Bi(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Fe(4) and one Bi(5) atom. is represented by the CIF card [CIF]
data_Fe4Co(BiO3)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.795
_cell_length_b   6.342
_cell_length_c   14.721
_cell_angle_alpha   87.931
_cell_angle_beta   88.830
_cell_angle_gamma   88.185
_symmetry_Int_Tables_number   1
_cell_volume   353.818
_cell_formula_units_Z   1
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
  Fe  Fe0  1  0.512  0.752  0.411  1.0
  Fe  Fe1  1  0.514  0.349  0.610  1.0
  Fe  Fe2  1  0.514  0.944  0.810  1.0
  Fe  Fe3  1  0.514  0.546  0.012  1.0
  Co  Co4  1  0.515  0.138  0.209  1.0
  Bi  Bi5  1  0.975  0.981  0.004  1.0
  Bi  Bi6  1  0.972  0.568  0.210  1.0
  Bi  Bi7  1  0.965  0.181  0.404  1.0
  Bi  Bi8  1  0.968  0.782  0.605  1.0
  Bi  Bi9  1  0.964  0.378  0.806  1.0
  O  O10  1  0.010  0.228  0.241  1.0
  O  O11  1  0.008  0.835  0.439  1.0
  O  O12  1  0.011  0.435  0.640  1.0
  O  O13  1  0.009  0.029  0.841  1.0
  O  O14  1  0.009  0.637  0.039  1.0
  O  O15  1  0.511  0.034  0.340  1.0
  O  O16  1  0.514  0.633  0.540  1.0
  O  O17  1  0.517  0.225  0.740  1.0
  O  O18  1  0.511  0.833  0.941  1.0
  O  O19  1  0.516  0.426  0.141  1.0
  O  O20  1  0.538  0.939  0.129  1.0
  O  O21  1  0.541  0.534  0.328  1.0
  O  O22  1  0.543  0.135  0.528  1.0
  O  O23  1  0.540  0.732  0.728  1.0
  O  O24  1  0.541  0.334  0.928  1.0
[/CIF]
.