The crystal structure described by K2AgF4 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Cmce space group. K(1) is bonded in a 8-coordinate geometry to four equivalent F(1) and four equivalent F(2) atoms. Ag(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form corner-sharing AgF6 octahedra. The corner-sharing octahedral tilt angles are 17°. There are two inequivalent F sites. In the first F site, F(1) is bonded in a 6-coordinate geometry to four equivalent K(1) and two equivalent Ag(1) atoms. In the second F site, F(2) is bonded in a 5-coordinate geometry to four equivalent K(1) and one Ag(1) atom. is represented by the CIF file [CIF]
data_K2AgF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.163
_cell_length_b   6.483
_cell_length_c   7.198
_cell_angle_alpha   90.000
_cell_angle_beta   115.349
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   259.899
_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
  K  K0  1  0.643  0.020  0.285  1.0
  K  K1  1  0.357  0.980  0.715  1.0
  K  K2  1  0.857  0.520  0.715  1.0
  K  K3  1  0.143  0.480  0.285  1.0
  Ag  Ag4  1  0.000  0.000  0.000  1.0
  Ag  Ag5  1  0.500  0.500  0.000  1.0
  F  F6  1  0.224  0.250  0.948  1.0
  F  F7  1  0.776  0.750  0.052  1.0
  F  F8  1  0.276  0.750  0.052  1.0
  F  F9  1  0.724  0.250  0.948  1.0
  F  F10  1  0.663  0.429  0.326  1.0
  F  F11  1  0.337  0.571  0.674  1.0
  F  F12  1  0.837  0.929  0.674  1.0
  F  F13  1  0.163  0.071  0.326  1.0
[/CIF]
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The crystal structure described by K2AgF4 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Cmce space group. K(1) is bonded in a 8-coordinate geometry to four equivalent F(1) and four equivalent F(2) atoms. Ag(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form corner-sharing AgF6 octahedra. The corner-sharing octahedral tilt angles are 17°. There are two inequivalent F sites. In the first F site, F(1) is bonded in a 6-coordinate geometry to four equivalent K(1) and two equivalent Ag(1) atoms. In the second F site, F(2) is bonded in a 5-coordinate geometry to four equivalent K(1) and one Ag(1) atom. is represented by the CIF file [CIF]
data_K2AgF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.163
_cell_length_b   6.483
_cell_length_c   7.198
_cell_angle_alpha   90.000
_cell_angle_beta   115.349
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   259.899
_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
  K  K0  1  0.643  0.020  0.285  1.0
  K  K1  1  0.357  0.980  0.715  1.0
  K  K2  1  0.857  0.520  0.715  1.0
  K  K3  1  0.143  0.480  0.285  1.0
  Ag  Ag4  1  0.000  0.000  0.000  1.0
  Ag  Ag5  1  0.500  0.500  0.000  1.0
  F  F6  1  0.224  0.250  0.948  1.0
  F  F7  1  0.776  0.750  0.052  1.0
  F  F8  1  0.276  0.750  0.052  1.0
  F  F9  1  0.724  0.250  0.948  1.0
  F  F10  1  0.663  0.429  0.326  1.0
  F  F11  1  0.337  0.571  0.674  1.0
  F  F12  1  0.837  0.929  0.674  1.0
  F  F13  1  0.163  0.071  0.326  1.0
[/CIF]
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