The structure described by K2CoF6 crystallizes in the tetragonal I4/mmm space group. K(1) is bonded to four equivalent F(2) and eight equivalent F(1) atoms to form KF12 cuboctahedra that share corners with twelve equivalent K(1)F12 cuboctahedra, faces with six equivalent K(1)F12 cuboctahedra, and faces with four equivalent Co(1)F6 octahedra. Co(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form CoF6 octahedra that share faces with eight equivalent K(1)F12 cuboctahedra. There are two inequivalent F sites. In the first F site, F(2) is bonded in a single-bond geometry to four equivalent K(1) and one Co(1) atom. In the second F site, F(1) is bonded in a distorted single-bond geometry to four equivalent K(1) and one Co(1) atom. is represented by the CIF file [CIF]
data_K2CoF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.648
_cell_length_b   5.648
_cell_length_c   5.695
_cell_angle_alpha   59.725
_cell_angle_beta   59.725
_cell_angle_gamma   60.551
_symmetry_Int_Tables_number   1
_cell_volume   128.460
_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
  K  K0  1  0.250  0.250  0.250  1.0
  K  K1  1  0.750  0.750  0.750  1.0
  Co  Co2  1  0.000  0.000  0.000  1.0
  F  F3  1  0.777  0.223  0.223  1.0
  F  F4  1  0.223  0.777  0.777  1.0
  F  F5  1  0.223  0.777  0.223  1.0
  F  F6  1  0.777  0.223  0.777  1.0
  F  F7  1  0.224  0.224  0.776  1.0
  F  F8  1  0.776  0.776  0.224  1.0
[/CIF]
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The structure described by K2CoF6 crystallizes in the tetragonal I4/mmm space group. K(1) is bonded to four equivalent F(2) and eight equivalent F(1) atoms to form KF12 cuboctahedra that share corners with twelve equivalent K(1)F12 cuboctahedra, faces with six equivalent K(1)F12 cuboctahedra, and faces with four equivalent Co(1)F6 octahedra. Co(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form CoF6 octahedra that share faces with eight equivalent K(1)F12 cuboctahedra. There are two inequivalent F sites. In the first F site, F(2) is bonded in a single-bond geometry to four equivalent K(1) and one Co(1) atom. In the second F site, F(1) is bonded in a distorted single-bond geometry to four equivalent K(1) and one Co(1) atom. is represented by the CIF file [CIF]
data_K2CoF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.648
_cell_length_b   5.648
_cell_length_c   5.695
_cell_angle_alpha   59.725
_cell_angle_beta   59.725
_cell_angle_gamma   60.551
_symmetry_Int_Tables_number   1
_cell_volume   128.460
_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
  K  K0  1  0.250  0.250  0.250  1.0
  K  K1  1  0.750  0.750  0.750  1.0
  Co  Co2  1  0.000  0.000  0.000  1.0
  F  F3  1  0.777  0.223  0.223  1.0
  F  F4  1  0.223  0.777  0.777  1.0
  F  F5  1  0.223  0.777  0.223  1.0
  F  F6  1  0.777  0.223  0.777  1.0
  F  F7  1  0.224  0.224  0.776  1.0
  F  F8  1  0.776  0.776  0.224  1.0
[/CIF]
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