The compound described by K2SiAs2 crystallizes in the orthorhombic Ibam space group. K(1) is bonded in a 8-coordinate geometry to two equivalent Si(1) and six equivalent As(1) atoms. Si(1) is bonded in a 4-coordinate geometry to four equivalent K(1) and four equivalent As(1) atoms. As(1) is bonded in a 8-coordinate geometry to six equivalent K(1) and two equivalent Si(1) atoms. is represented by the CIF file [CIF]
data_K2SiAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.360
_cell_length_b   7.009
_cell_length_c   8.170
_cell_angle_alpha   115.400
_cell_angle_beta   112.907
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   296.894
_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  0.857  0.021  0.713  1.0
  K  K1  1  0.357  0.692  0.713  1.0
  K  K2  1  0.643  0.308  0.287  1.0
  K  K3  1  0.143  0.979  0.287  1.0
  Si  Si4  1  0.250  0.500  0.000  1.0
  Si  Si5  1  0.750  0.500  0.000  1.0
  As  As6  1  0.600  0.767  0.201  1.0
  As  As7  1  0.100  0.434  0.201  1.0
  As  As8  1  0.900  0.566  0.799  1.0
  As  As9  1  0.400  0.233  0.799  1.0
[/CIF]
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The compound described by K2SiAs2 crystallizes in the orthorhombic Ibam space group. K(1) is bonded in a 8-coordinate geometry to two equivalent Si(1) and six equivalent As(1) atoms. Si(1) is bonded in a 4-coordinate geometry to four equivalent K(1) and four equivalent As(1) atoms. As(1) is bonded in a 8-coordinate geometry to six equivalent K(1) and two equivalent Si(1) atoms. is represented by the CIF file [CIF]
data_K2SiAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.360
_cell_length_b   7.009
_cell_length_c   8.170
_cell_angle_alpha   115.400
_cell_angle_beta   112.907
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   296.894
_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  0.857  0.021  0.713  1.0
  K  K1  1  0.357  0.692  0.713  1.0
  K  K2  1  0.643  0.308  0.287  1.0
  K  K3  1  0.143  0.979  0.287  1.0
  Si  Si4  1  0.250  0.500  0.000  1.0
  Si  Si5  1  0.750  0.500  0.000  1.0
  As  As6  1  0.600  0.767  0.201  1.0
  As  As7  1  0.100  0.434  0.201  1.0
  As  As8  1  0.900  0.566  0.799  1.0
  As  As9  1  0.400  0.233  0.799  1.0
[/CIF]
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