The compound described by MgCd2(CoO2)4 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form distorted MgO4 tetrahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, corners with two equivalent Cd(2)O4 tetrahedra, and  an edgeedge with one Cd(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-62°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), one O(6), and one O(7) atom. In the second Co site, Co(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), one O(6), and one O(8) atom. In the third Co site, Co(3) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, corners with three equivalent Cd(2)O4 tetrahedra, and edges with two equivalent Co(4)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(1), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, corners with three equivalent Cd(2)O4 tetrahedra, and edges with two equivalent Co(3)O6 octahedra. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form distorted CdO4 tetrahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-69°. In the second Cd site, Cd(2) is bonded to one O(2), one O(5), one O(7), and one O(8) atom to form CdO4 tetrahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-67°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Co(1), one Co(2), one Co(4), and one Cd(1) atom to form OCdCo3 tetrahedra that share  a cornercorner with one O(6)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with two equivalent O(2)MgCdCo3 trigonal bipyramids, corners with three equivalent O(5)MgCdCo3 trigonal bipyramids, and  an edgeedge with one O(6)CdCo3 tetrahedra. In the second O site, O(2) is bonded to one Mg(1), one Co(1), one Co(2), one Co(3), and one Cd(2) atom to form distorted OMgCdCo3 trigonal bipyramids that share  a cornercorner with one O(7)CdCo3 tetrahedra,  a cornercorner with one O(8)CdCo3 tetrahedra, corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with three equivalent O(6)CdCo3 tetrahedra,  a cornercorner with one O(5)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(7)CdCo3 tetrahedra,  an edgeedge with one O(8)CdCo3 tetrahedra, and  a faceface with one O(5)MgCdCo3 trigonal bipyramid. In the third O site, O(3) is bonded to one Mg(1), one Co(3), one Co(4), and one Cd(1) atom to form distorted OMgCdCo2 tetrahedra that share corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(2)MgCdCo3 trigonal bipyramids, corners with two equivalent O(5)MgCdCo3 trigonal bipyramids, and edges with two equivalent O(4)MgCdCo2 tetrahedra. In the fourth O site, O(4) is bonded to one Mg(1), one Co(3), one Co(4), and one Cd(1) atom to form distorted OMgCdCo2 tetrahedra that share corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(2)MgCdCo3 trigonal bipyramids, corners with two equivalent O(5)MgCdCo3 trigonal bipyramids, and edges with two equivalent O(3)MgCdCo2 tetrahedra. In the fifth O site, O(5) is bonded to one Mg(1), one Co(1), one Co(2), one Co(4), and one Cd(2) atom to form distorted OMgCdCo3 trigonal bipyramids that share  a cornercorner with one O(7)CdCo3 tetrahedra,  a cornercorner with one O(8)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with three equivalent O(1)CdCo3 tetrahedra,  a cornercorner with one O(2)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(7)CdCo3 tetrahedra,  an edgeedge with one O(8)CdCo3 tetrahedra, and  a faceface with one O(2)MgCdCo3 trigonal bipyramid. In the sixth O site, O(6) is bonded to one Co(1), one Co(2), one Co(3), and one Cd(1) atom to form OCdCo3 tetrahedra that share  a cornercorner with one O(1)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with two equivalent O(5)MgCdCo3 trigonal bipyramids, corners with three equivalent O(2)MgCdCo3 trigonal bipyramids, and  an edgeedge with one O(1)CdCo3 tetrahedra. In the seventh O site, O(7) is bonded to one Co(1), one Co(3), one Co(4), and one Cd(2) atom to form distorted OCdCo3 tetrahedra that share  a cornercorner with one O(8)CdCo3 tetrahedra, corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra,  a cornercorner with one O(2)MgCdCo3 trigonal bipyramid,  a cornercorner with one O(5)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(8)CdCo3 tetrahedra,  an edgeedge with one O(2)MgCdCo3 trigonal bipyramid, and  an edgeedge with one O(5)MgCdCo3 trigonal bipyramid. In the eighth O site, O(8) is bonded to one Co(2), one Co(3), one Co(4), and one Cd(2) atom to form distorted OCdCo3 tetrahedra that share  a cornercorner with one O(7)CdCo3 tetrahedra, corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra,  a cornercorner with one O(2)MgCdCo3 trigonal bipyramid,  a cornercorner with one O(5)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(7)CdCo3 tetrahedra,  an edgeedge with one O(2)MgCdCo3 trigonal bipyramid, and  an edgeedge with one O(5)MgCdCo3 trigonal bipyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgCd2(CoO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.899
_cell_length_b   6.381
_cell_length_c   6.201
_cell_angle_alpha   60.265
_cell_angle_beta   91.256
_cell_angle_gamma   118.268
_symmetry_Int_Tables_number   1
_cell_volume   171.479
_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  0.769  0.539  0.230  1.0
  Cd  Cd1  1  0.068  0.135  0.933  1.0
  Cd  Cd2  1  0.714  0.429  0.785  1.0
  Co  Co3  1  0.288  0.148  0.435  1.0
  Co  Co4  1  0.861  0.150  0.416  1.0
  Co  Co5  1  0.379  0.759  0.366  1.0
  Co  Co6  1  0.380  0.759  0.875  1.0
  O  O7  1  0.184  0.349  0.122  1.0
  O  O8  1  0.596  0.187  0.201  1.0
  O  O9  1  0.616  0.785  0.112  1.0
  O  O10  1  0.169  0.784  0.103  1.0
  O  O11  1  0.591  0.187  0.612  1.0
  O  O12  1  0.166  0.349  0.529  1.0
  O  O13  1  0.159  0.740  0.624  1.0
  O  O14  1  0.582  0.741  0.636  1.0
[/CIF]
.
The compound described by MgCd2(CoO2)4 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form distorted MgO4 tetrahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, corners with two equivalent Cd(2)O4 tetrahedra, and  an edgeedge with one Cd(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-62°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), one O(6), and one O(7) atom. In the second Co site, Co(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), one O(6), and one O(8) atom. In the third Co site, Co(3) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, corners with three equivalent Cd(2)O4 tetrahedra, and edges with two equivalent Co(4)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(1), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, corners with three equivalent Cd(2)O4 tetrahedra, and edges with two equivalent Co(3)O6 octahedra. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form distorted CdO4 tetrahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-69°. In the second Cd site, Cd(2) is bonded to one O(2), one O(5), one O(7), and one O(8) atom to form CdO4 tetrahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-67°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Co(1), one Co(2), one Co(4), and one Cd(1) atom to form OCdCo3 tetrahedra that share  a cornercorner with one O(6)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with two equivalent O(2)MgCdCo3 trigonal bipyramids, corners with three equivalent O(5)MgCdCo3 trigonal bipyramids, and  an edgeedge with one O(6)CdCo3 tetrahedra. In the second O site, O(2) is bonded to one Mg(1), one Co(1), one Co(2), one Co(3), and one Cd(2) atom to form distorted OMgCdCo3 trigonal bipyramids that share  a cornercorner with one O(7)CdCo3 tetrahedra,  a cornercorner with one O(8)CdCo3 tetrahedra, corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with three equivalent O(6)CdCo3 tetrahedra,  a cornercorner with one O(5)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(7)CdCo3 tetrahedra,  an edgeedge with one O(8)CdCo3 tetrahedra, and  a faceface with one O(5)MgCdCo3 trigonal bipyramid. In the third O site, O(3) is bonded to one Mg(1), one Co(3), one Co(4), and one Cd(1) atom to form distorted OMgCdCo2 tetrahedra that share corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(2)MgCdCo3 trigonal bipyramids, corners with two equivalent O(5)MgCdCo3 trigonal bipyramids, and edges with two equivalent O(4)MgCdCo2 tetrahedra. In the fourth O site, O(4) is bonded to one Mg(1), one Co(3), one Co(4), and one Cd(1) atom to form distorted OMgCdCo2 tetrahedra that share corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(2)MgCdCo3 trigonal bipyramids, corners with two equivalent O(5)MgCdCo3 trigonal bipyramids, and edges with two equivalent O(3)MgCdCo2 tetrahedra. In the fifth O site, O(5) is bonded to one Mg(1), one Co(1), one Co(2), one Co(4), and one Cd(2) atom to form distorted OMgCdCo3 trigonal bipyramids that share  a cornercorner with one O(7)CdCo3 tetrahedra,  a cornercorner with one O(8)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with three equivalent O(1)CdCo3 tetrahedra,  a cornercorner with one O(2)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(7)CdCo3 tetrahedra,  an edgeedge with one O(8)CdCo3 tetrahedra, and  a faceface with one O(2)MgCdCo3 trigonal bipyramid. In the sixth O site, O(6) is bonded to one Co(1), one Co(2), one Co(3), and one Cd(1) atom to form OCdCo3 tetrahedra that share  a cornercorner with one O(1)CdCo3 tetrahedra, corners with two equivalent O(7)CdCo3 tetrahedra, corners with two equivalent O(8)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra, corners with two equivalent O(5)MgCdCo3 trigonal bipyramids, corners with three equivalent O(2)MgCdCo3 trigonal bipyramids, and  an edgeedge with one O(1)CdCo3 tetrahedra. In the seventh O site, O(7) is bonded to one Co(1), one Co(3), one Co(4), and one Cd(2) atom to form distorted OCdCo3 tetrahedra that share  a cornercorner with one O(8)CdCo3 tetrahedra, corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra,  a cornercorner with one O(2)MgCdCo3 trigonal bipyramid,  a cornercorner with one O(5)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(8)CdCo3 tetrahedra,  an edgeedge with one O(2)MgCdCo3 trigonal bipyramid, and  an edgeedge with one O(5)MgCdCo3 trigonal bipyramid. In the eighth O site, O(8) is bonded to one Co(2), one Co(3), one Co(4), and one Cd(2) atom to form distorted OCdCo3 tetrahedra that share  a cornercorner with one O(7)CdCo3 tetrahedra, corners with two equivalent O(1)CdCo3 tetrahedra, corners with two equivalent O(6)CdCo3 tetrahedra, corners with two equivalent O(3)MgCdCo2 tetrahedra, corners with two equivalent O(4)MgCdCo2 tetrahedra,  a cornercorner with one O(2)MgCdCo3 trigonal bipyramid,  a cornercorner with one O(5)MgCdCo3 trigonal bipyramid,  an edgeedge with one O(7)CdCo3 tetrahedra,  an edgeedge with one O(2)MgCdCo3 trigonal bipyramid, and  an edgeedge with one O(5)MgCdCo3 trigonal bipyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgCd2(CoO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.899
_cell_length_b   6.381
_cell_length_c   6.201
_cell_angle_alpha   60.265
_cell_angle_beta   91.256
_cell_angle_gamma   118.268
_symmetry_Int_Tables_number   1
_cell_volume   171.479
_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  0.769  0.539  0.230  1.0
  Cd  Cd1  1  0.068  0.135  0.933  1.0
  Cd  Cd2  1  0.714  0.429  0.785  1.0
  Co  Co3  1  0.288  0.148  0.435  1.0
  Co  Co4  1  0.861  0.150  0.416  1.0
  Co  Co5  1  0.379  0.759  0.366  1.0
  Co  Co6  1  0.380  0.759  0.875  1.0
  O  O7  1  0.184  0.349  0.122  1.0
  O  O8  1  0.596  0.187  0.201  1.0
  O  O9  1  0.616  0.785  0.112  1.0
  O  O10  1  0.169  0.784  0.103  1.0
  O  O11  1  0.591  0.187  0.612  1.0
  O  O12  1  0.166  0.349  0.529  1.0
  O  O13  1  0.159  0.740  0.624  1.0
  O  O14  1  0.582  0.741  0.636  1.0
[/CIF]
.