The material structure described by MgCo2(BiO3)4 crystallizes in the monoclinic P2 space group. Mg(1) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form distorted MgO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, edges with two equivalent Bi(1)O6 octahedra, and edges with two equivalent Bi(3)O6 octahedra. The corner-sharing octahedral tilt angles are 58°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with four equivalent Bi(3)O6 octahedra, corners with four equivalent Bi(4)O6 octahedra, corners with two equivalent Mg(1)O4 tetrahedra,  an edgeedge with one Bi(1)O6 octahedra, and  an edgeedge with one Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-56°. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with four equivalent Bi(1)O6 octahedra, corners with four equivalent Bi(2)O6 octahedra, corners with two equivalent Mg(1)O4 tetrahedra,  an edgeedge with one Bi(3)O6 octahedra, and  an edgeedge with one Bi(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-56°. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted BiO6 octahedra that share corners with four equivalent Co(2)O6 octahedra, corners with four equivalent Bi(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Bi(2)O6 octahedra, and edges with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-56°. In the second Bi site, Bi(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form BiO6 octahedra that share corners with four equivalent Co(2)O6 octahedra, corners with four equivalent Bi(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-55°. In the third Bi site, Bi(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted BiO6 octahedra that share corners with four equivalent Co(1)O6 octahedra, corners with four equivalent Bi(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Bi(4)O6 octahedra, and edges with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-56°. In the fourth Bi site, Bi(4) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms to form BiO6 octahedra that share corners with four equivalent Co(1)O6 octahedra, corners with four equivalent Bi(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Bi(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-55°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(2), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Mg(1), one Co(1), one Bi(1), and one Bi(3) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(2), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mg(1), one Co(2), one Bi(1), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Bi(2), and one Bi(4) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(3), and one Bi(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgCo2(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.135
_cell_length_b   5.137
_cell_length_c   10.043
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   89.958
_symmetry_Int_Tables_number   1
_cell_volume   264.948
_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
  Mg  Mg0  1  0.500  0.000  0.250  1.0
  Co  Co1  1  0.000  0.000  0.997  1.0
  Co  Co2  1  0.500  0.500  0.503  1.0
  Bi  Bi3  1  1.000  0.000  0.354  1.0
  Bi  Bi4  1  0.000  0.000  0.678  1.0
  Bi  Bi5  1  0.500  0.500  0.146  1.0
  Bi  Bi6  1  0.500  0.500  0.822  1.0
  O  O7  1  0.207  0.796  0.510  1.0
  O  O8  1  0.206  0.826  0.165  1.0
  O  O9  1  0.191  0.809  0.842  1.0
  O  O10  1  0.327  0.295  0.335  1.0
  O  O11  1  0.309  0.309  0.659  1.0
  O  O12  1  0.297  0.294  0.990  1.0
  O  O13  1  0.703  0.706  0.990  1.0
  O  O14  1  0.673  0.705  0.335  1.0
  O  O15  1  0.691  0.691  0.659  1.0
  O  O16  1  0.794  0.174  0.165  1.0
  O  O17  1  0.809  0.191  0.842  1.0
  O  O18  1  0.793  0.204  0.510  1.0
[/CIF]
.
The material structure described by MgCo2(BiO3)4 crystallizes in the monoclinic P2 space group. Mg(1) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form distorted MgO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, edges with two equivalent Bi(1)O6 octahedra, and edges with two equivalent Bi(3)O6 octahedra. The corner-sharing octahedral tilt angles are 58°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with four equivalent Bi(3)O6 octahedra, corners with four equivalent Bi(4)O6 octahedra, corners with two equivalent Mg(1)O4 tetrahedra,  an edgeedge with one Bi(1)O6 octahedra, and  an edgeedge with one Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-56°. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with four equivalent Bi(1)O6 octahedra, corners with four equivalent Bi(2)O6 octahedra, corners with two equivalent Mg(1)O4 tetrahedra,  an edgeedge with one Bi(3)O6 octahedra, and  an edgeedge with one Bi(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-56°. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted BiO6 octahedra that share corners with four equivalent Co(2)O6 octahedra, corners with four equivalent Bi(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Bi(2)O6 octahedra, and edges with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-56°. In the second Bi site, Bi(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form BiO6 octahedra that share corners with four equivalent Co(2)O6 octahedra, corners with four equivalent Bi(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-55°. In the third Bi site, Bi(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted BiO6 octahedra that share corners with four equivalent Co(1)O6 octahedra, corners with four equivalent Bi(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Bi(4)O6 octahedra, and edges with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-56°. In the fourth Bi site, Bi(4) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms to form BiO6 octahedra that share corners with four equivalent Co(1)O6 octahedra, corners with four equivalent Bi(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Bi(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-55°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(2), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Mg(1), one Co(1), one Bi(1), and one Bi(3) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(2), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mg(1), one Co(2), one Bi(1), and one Bi(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Bi(2), and one Bi(4) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(3), and one Bi(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgCo2(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.135
_cell_length_b   5.137
_cell_length_c   10.043
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   89.958
_symmetry_Int_Tables_number   1
_cell_volume   264.948
_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
  Mg  Mg0  1  0.500  0.000  0.250  1.0
  Co  Co1  1  0.000  0.000  0.997  1.0
  Co  Co2  1  0.500  0.500  0.503  1.0
  Bi  Bi3  1  1.000  0.000  0.354  1.0
  Bi  Bi4  1  0.000  0.000  0.678  1.0
  Bi  Bi5  1  0.500  0.500  0.146  1.0
  Bi  Bi6  1  0.500  0.500  0.822  1.0
  O  O7  1  0.207  0.796  0.510  1.0
  O  O8  1  0.206  0.826  0.165  1.0
  O  O9  1  0.191  0.809  0.842  1.0
  O  O10  1  0.327  0.295  0.335  1.0
  O  O11  1  0.309  0.309  0.659  1.0
  O  O12  1  0.297  0.294  0.990  1.0
  O  O13  1  0.703  0.706  0.990  1.0
  O  O14  1  0.673  0.705  0.335  1.0
  O  O15  1  0.691  0.691  0.659  1.0
  O  O16  1  0.794  0.174  0.165  1.0
  O  O17  1  0.809  0.191  0.842  1.0
  O  O18  1  0.793  0.204  0.510  1.0
[/CIF]
.