The material structure described by MgCo2(BiO3)4 crystallizes in the monoclinic Cm space group. Mg(1) is bonded in a rectangular see-saw-like geometry to one O(1), one O(2), and two equivalent O(4) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(3), one O(7), one O(8), and two equivalent O(6) atoms to form CoO6 octahedra that share  an edgeedge with one Bi(1)O6 octahedra and  an edgeedge with one Bi(2)O6 octahedra. In the second Co site, Co(2) is bonded in a 5-coordinate geometry to one O(9), two equivalent O(4), and two equivalent O(5) atoms. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), one O(2), one O(7), one O(9), and two equivalent O(4) atoms to form BiO6 octahedra that share  an edgeedge with one Co(1)O6 octahedra and  an edgeedge with one Bi(2)O6 octahedra. In the second Bi site, Bi(2) is bonded to one O(1), one O(3), one O(8), one O(9), and two equivalent O(5) atoms to form BiO6 octahedra that share  an edgeedge with one Co(1)O6 octahedra and  an edgeedge with one Bi(1)O6 octahedra. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(4), and two equivalent O(6) atoms. In the fourth Bi site, Bi(4) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(5), and two equivalent O(6) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mg(1), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Mg(1), one Co(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Co(1), one Bi(2), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like 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. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(1), and one Bi(3) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Co(1) and one Bi(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Co(2), one Bi(1), and one Bi(2) atom. is represented by the CIF card [CIF]
data_MgCo2(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.561
_cell_length_b   5.561
_cell_length_c   9.640
_cell_angle_alpha   88.830
_cell_angle_beta   91.170
_cell_angle_gamma   105.010
_symmetry_Int_Tables_number   1
_cell_volume   287.883
_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  0.305  0.695  0.355  1.0
  Co  Co1  1  0.002  0.998  0.990  1.0
  Co  Co2  1  0.582  0.418  0.518  1.0
  Bi  Bi3  1  0.970  0.030  0.327  1.0
  Bi  Bi4  1  0.994  0.006  0.668  1.0
  Bi  Bi5  1  0.592  0.408  0.154  1.0
  Bi  Bi6  1  0.413  0.587  0.831  1.0
  O  O7  1  0.144  0.856  0.494  1.0
  O  O8  1  0.156  0.844  0.195  1.0
  O  O9  1  0.162  0.838  0.841  1.0
  O  O10  1  0.297  0.337  0.345  1.0
  O  O11  1  0.316  0.315  0.654  1.0
  O  O12  1  0.298  0.283  0.994  1.0
  O  O13  1  0.717  0.702  0.994  1.0
  O  O14  1  0.663  0.703  0.345  1.0
  O  O15  1  0.685  0.684  0.654  1.0
  O  O16  1  0.842  0.158  0.138  1.0
  O  O17  1  0.854  0.146  0.839  1.0
  O  O18  1  0.807  0.193  0.495  1.0
[/CIF]
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The material structure described by MgCo2(BiO3)4 crystallizes in the monoclinic Cm space group. Mg(1) is bonded in a rectangular see-saw-like geometry to one O(1), one O(2), and two equivalent O(4) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(3), one O(7), one O(8), and two equivalent O(6) atoms to form CoO6 octahedra that share  an edgeedge with one Bi(1)O6 octahedra and  an edgeedge with one Bi(2)O6 octahedra. In the second Co site, Co(2) is bonded in a 5-coordinate geometry to one O(9), two equivalent O(4), and two equivalent O(5) atoms. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), one O(2), one O(7), one O(9), and two equivalent O(4) atoms to form BiO6 octahedra that share  an edgeedge with one Co(1)O6 octahedra and  an edgeedge with one Bi(2)O6 octahedra. In the second Bi site, Bi(2) is bonded to one O(1), one O(3), one O(8), one O(9), and two equivalent O(5) atoms to form BiO6 octahedra that share  an edgeedge with one Co(1)O6 octahedra and  an edgeedge with one Bi(1)O6 octahedra. In the third Bi site, Bi(3) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(4), and two equivalent O(6) atoms. In the fourth Bi site, Bi(4) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(5), and two equivalent O(6) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mg(1), one Bi(1), and one Bi(2) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Mg(1), one Co(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Co(1), one Bi(2), and one Bi(4) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like 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. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Co(1), one Bi(1), and one Bi(3) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Co(1) and one Bi(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Co(2), one Bi(1), and one Bi(2) atom. is represented by the CIF card [CIF]
data_MgCo2(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.561
_cell_length_b   5.561
_cell_length_c   9.640
_cell_angle_alpha   88.830
_cell_angle_beta   91.170
_cell_angle_gamma   105.010
_symmetry_Int_Tables_number   1
_cell_volume   287.883
_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  0.305  0.695  0.355  1.0
  Co  Co1  1  0.002  0.998  0.990  1.0
  Co  Co2  1  0.582  0.418  0.518  1.0
  Bi  Bi3  1  0.970  0.030  0.327  1.0
  Bi  Bi4  1  0.994  0.006  0.668  1.0
  Bi  Bi5  1  0.592  0.408  0.154  1.0
  Bi  Bi6  1  0.413  0.587  0.831  1.0
  O  O7  1  0.144  0.856  0.494  1.0
  O  O8  1  0.156  0.844  0.195  1.0
  O  O9  1  0.162  0.838  0.841  1.0
  O  O10  1  0.297  0.337  0.345  1.0
  O  O11  1  0.316  0.315  0.654  1.0
  O  O12  1  0.298  0.283  0.994  1.0
  O  O13  1  0.717  0.702  0.994  1.0
  O  O14  1  0.663  0.703  0.345  1.0
  O  O15  1  0.685  0.684  0.654  1.0
  O  O16  1  0.842  0.158  0.138  1.0
  O  O17  1  0.854  0.146  0.839  1.0
  O  O18  1  0.807  0.193  0.495  1.0
[/CIF]
.