The crystal structure described by K3AsF6 is Ilmenite-like structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a distorted hexagonal planar geometry to two equivalent F(1) and four equivalent F(2) atoms. In the second K site, K(2) is bonded in a distorted hexagonal planar geometry to two equivalent F(1) and four equivalent F(2) atoms. As(1) is bonded in an octahedral geometry to two equivalent F(1) and four equivalent F(2) atoms. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted rectangular see-saw-like geometry to one K(2), two equivalent K(1), and one As(1) atom. In the second F site, F(2) is bonded in a distorted rectangular see-saw-like geometry to one K(2), two equivalent K(1), and one As(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3AsF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.684
_cell_length_b   8.297
_cell_length_c   6.683
_cell_angle_alpha   128.366
_cell_angle_beta   76.648
_cell_angle_gamma   111.770
_symmetry_Int_Tables_number   1
_cell_volume   269.872
_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  0.500  0.000  0.000  1.0
  K  K1  1  0.000  0.500  0.500  1.0
  K  K2  1  0.000  0.000  0.500  1.0
  As  As3  1  0.000  0.000  0.000  1.0
  F  F4  1  0.776  0.065  0.289  1.0
  F  F5  1  0.224  0.935  0.711  1.0
  F  F6  1  0.777  0.776  0.709  1.0
  F  F7  1  0.223  0.224  0.291  1.0
  F  F8  1  0.067  0.777  1.000  1.0
  F  F9  1  0.933  0.223  0.000  1.0
[/CIF]
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The crystal structure described by K3AsF6 is Ilmenite-like structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a distorted hexagonal planar geometry to two equivalent F(1) and four equivalent F(2) atoms. In the second K site, K(2) is bonded in a distorted hexagonal planar geometry to two equivalent F(1) and four equivalent F(2) atoms. As(1) is bonded in an octahedral geometry to two equivalent F(1) and four equivalent F(2) atoms. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted rectangular see-saw-like geometry to one K(2), two equivalent K(1), and one As(1) atom. In the second F site, F(2) is bonded in a distorted rectangular see-saw-like geometry to one K(2), two equivalent K(1), and one As(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3AsF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.684
_cell_length_b   8.297
_cell_length_c   6.683
_cell_angle_alpha   128.366
_cell_angle_beta   76.648
_cell_angle_gamma   111.770
_symmetry_Int_Tables_number   1
_cell_volume   269.872
_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  0.500  0.000  0.000  1.0
  K  K1  1  0.000  0.500  0.500  1.0
  K  K2  1  0.000  0.000  0.500  1.0
  As  As3  1  0.000  0.000  0.000  1.0
  F  F4  1  0.776  0.065  0.289  1.0
  F  F5  1  0.224  0.935  0.711  1.0
  F  F6  1  0.777  0.776  0.709  1.0
  F  F7  1  0.223  0.224  0.291  1.0
  F  F8  1  0.067  0.777  1.000  1.0
  F  F9  1  0.933  0.223  0.000  1.0
[/CIF]
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