The crystal structure described by Fe2CoO6 is Hydrophilite-derived structured and crystallizes in the tetragonal P4_2/mnm space group. Fe(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form FeO6 octahedra that share corners with four equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. Co(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CoO6 octahedra that share corners with eight equivalent Fe(1)O6 octahedra and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. There are two inequivalent O sites. In the first O site, O(2) is bonded in a distorted trigonal planar geometry to two equivalent Fe(1) and one Co(1) atom. In the second O site, O(1) is bonded in a trigonal planar geometry to two equivalent Fe(1) and one Co(1) atom. is represented by the CIF card [CIF]
data_Fe2CoO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.484
_cell_length_b   4.484
_cell_length_c   8.947
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   179.863
_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
  Fe  Fe0  1  0.500  0.500  0.334  1.0
  Fe  Fe1  1  0.500  0.500  0.666  1.0
  Fe  Fe2  1  0.000  0.000  0.166  1.0
  Fe  Fe3  1  0.000  0.000  0.834  1.0
  Co  Co4  1  0.500  0.500  0.000  1.0
  Co  Co5  1  0.000  0.000  0.500  1.0
  O  O6  1  0.690  0.310  0.163  1.0
  O  O7  1  0.690  0.310  0.837  1.0
  O  O8  1  0.703  0.297  0.500  1.0
  O  O9  1  0.797  0.797  0.000  1.0
  O  O10  1  0.810  0.810  0.337  1.0
  O  O11  1  0.810  0.810  0.663  1.0
  O  O12  1  0.190  0.190  0.337  1.0
  O  O13  1  0.190  0.190  0.663  1.0
  O  O14  1  0.203  0.203  0.000  1.0
  O  O15  1  0.297  0.703  0.500  1.0
  O  O16  1  0.310  0.690  0.163  1.0
  O  O17  1  0.310  0.690  0.837  1.0
[/CIF]
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The crystal structure described by Fe2CoO6 is Hydrophilite-derived structured and crystallizes in the tetragonal P4_2/mnm space group. Fe(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form FeO6 octahedra that share corners with four equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. Co(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CoO6 octahedra that share corners with eight equivalent Fe(1)O6 octahedra and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. There are two inequivalent O sites. In the first O site, O(2) is bonded in a distorted trigonal planar geometry to two equivalent Fe(1) and one Co(1) atom. In the second O site, O(1) is bonded in a trigonal planar geometry to two equivalent Fe(1) and one Co(1) atom. is represented by the CIF card [CIF]
data_Fe2CoO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.484
_cell_length_b   4.484
_cell_length_c   8.947
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   179.863
_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
  Fe  Fe0  1  0.500  0.500  0.334  1.0
  Fe  Fe1  1  0.500  0.500  0.666  1.0
  Fe  Fe2  1  0.000  0.000  0.166  1.0
  Fe  Fe3  1  0.000  0.000  0.834  1.0
  Co  Co4  1  0.500  0.500  0.000  1.0
  Co  Co5  1  0.000  0.000  0.500  1.0
  O  O6  1  0.690  0.310  0.163  1.0
  O  O7  1  0.690  0.310  0.837  1.0
  O  O8  1  0.703  0.297  0.500  1.0
  O  O9  1  0.797  0.797  0.000  1.0
  O  O10  1  0.810  0.810  0.337  1.0
  O  O11  1  0.810  0.810  0.663  1.0
  O  O12  1  0.190  0.190  0.337  1.0
  O  O13  1  0.190  0.190  0.663  1.0
  O  O14  1  0.203  0.203  0.000  1.0
  O  O15  1  0.297  0.703  0.500  1.0
  O  O16  1  0.310  0.690  0.163  1.0
  O  O17  1  0.310  0.690  0.837  1.0
[/CIF]
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