The crystal structure described by K2VAgSe4 crystallizes in the orthorhombic Fddd space group. K(1) is bonded in a 8-coordinate geometry to eight equivalent Se(1) atoms. V(1) is bonded in a tetrahedral geometry to four equivalent Se(1) atoms. Ag(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) atoms. Se(1) is bonded in a 6-coordinate geometry to four equivalent K(1), one V(1), and one Ag(1) atom. is represented by the CIF card [CIF]
data_K2VAgSe4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.615
_cell_length_b   12.162
_cell_length_c   7.458
_cell_angle_alpha   84.252
_cell_angle_beta   62.722
_cell_angle_gamma   33.025
_symmetry_Int_Tables_number   1
_cell_volume   484.497
_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  0.682  0.682  0.318  1.0
  K  K1  1  0.318  0.318  0.682  1.0
  K  K2  1  0.568  0.568  0.932  1.0
  K  K3  1  0.932  0.932  0.568  1.0
  V  V4  1  0.500  0.500  0.500  1.0
  V  V5  1  0.750  0.750  0.750  1.0
  Ag  Ag6  1  0.000  0.000  0.000  1.0
  Ag  Ag7  1  0.250  0.250  0.250  1.0
  Se  Se8  1  0.382  0.001  0.913  1.0
  Se  Se9  1  0.249  0.868  0.547  1.0
  Se  Se10  1  0.001  0.382  0.703  1.0
  Se  Se11  1  0.703  0.913  0.001  1.0
  Se  Se12  1  0.913  0.703  0.382  1.0
  Se  Se13  1  0.547  0.337  0.249  1.0
  Se  Se14  1  0.868  0.249  0.337  1.0
  Se  Se15  1  0.337  0.547  0.868  1.0
[/CIF]
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The crystal structure described by K2VAgSe4 crystallizes in the orthorhombic Fddd space group. K(1) is bonded in a 8-coordinate geometry to eight equivalent Se(1) atoms. V(1) is bonded in a tetrahedral geometry to four equivalent Se(1) atoms. Ag(1) is bonded in a 4-coordinate geometry to four equivalent Se(1) atoms. Se(1) is bonded in a 6-coordinate geometry to four equivalent K(1), one V(1), and one Ag(1) atom. is represented by the CIF card [CIF]
data_K2VAgSe4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.615
_cell_length_b   12.162
_cell_length_c   7.458
_cell_angle_alpha   84.252
_cell_angle_beta   62.722
_cell_angle_gamma   33.025
_symmetry_Int_Tables_number   1
_cell_volume   484.497
_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  0.682  0.682  0.318  1.0
  K  K1  1  0.318  0.318  0.682  1.0
  K  K2  1  0.568  0.568  0.932  1.0
  K  K3  1  0.932  0.932  0.568  1.0
  V  V4  1  0.500  0.500  0.500  1.0
  V  V5  1  0.750  0.750  0.750  1.0
  Ag  Ag6  1  0.000  0.000  0.000  1.0
  Ag  Ag7  1  0.250  0.250  0.250  1.0
  Se  Se8  1  0.382  0.001  0.913  1.0
  Se  Se9  1  0.249  0.868  0.547  1.0
  Se  Se10  1  0.001  0.382  0.703  1.0
  Se  Se11  1  0.703  0.913  0.001  1.0
  Se  Se12  1  0.913  0.703  0.382  1.0
  Se  Se13  1  0.547  0.337  0.249  1.0
  Se  Se14  1  0.868  0.249  0.337  1.0
  Se  Se15  1  0.337  0.547  0.868  1.0
[/CIF]
.