The material described by K4Ni(NO2)6 crystallizes in the trigonal R-3 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to three equivalent O(2) and six equivalent O(1) atoms. In the second K site, K(2) is bonded in a 9-coordinate geometry to three equivalent O(1) and six equivalent O(2) atoms. Ni(1) is bonded in an octahedral geometry to six equivalent N(1) atoms. N(1) is bonded in a trigonal planar geometry to one Ni(1), one O(1), and one O(2) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2), two equivalent K(1), and one N(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), two equivalent K(2), and one N(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K4Ni(NO2)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.635
_cell_length_b   7.635
_cell_length_c   8.864
_cell_angle_alpha   90.008
_cell_angle_beta   115.514
_cell_angle_gamma   119.990
_symmetry_Int_Tables_number   1
_cell_volume   388.282
_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  0.618  0.809  0.427  1.0
  K  K1  1  0.382  0.191  0.573  1.0
  K  K2  1  0.755  0.377  0.132  1.0
  K  K3  1  0.245  0.623  0.868  1.0
  N  N4  1  0.851  0.922  0.166  1.0
  N  N5  1  0.756  0.071  0.834  1.0
  N  N6  1  0.237  0.315  0.166  1.0
  N  N7  1  0.763  0.685  0.834  1.0
  N  N8  1  0.244  0.929  0.166  1.0
  N  N9  1  0.149  0.078  0.834  1.0
  Ni  Ni10  1  0.000  1.000  0.000  1.0
  O  O11  1  0.923  0.856  0.295  1.0
  O  O12  1  0.772  0.628  0.705  1.0
  O  O13  1  0.561  0.933  0.705  1.0
  O  O14  1  0.077  0.144  0.705  1.0
  O  O15  1  0.228  0.372  0.295  1.0
  O  O16  1  0.439  0.067  0.295  1.0
  O  O17  1  0.810  0.258  0.857  1.0
  O  O18  1  0.401  0.448  0.143  1.0
  O  O19  1  0.694  0.952  0.143  1.0
  O  O20  1  0.190  0.742  0.143  1.0
  O  O21  1  0.306  0.048  0.857  1.0
  O  O22  1  0.599  0.552  0.857  1.0
[/CIF]
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The material described by K4Ni(NO2)6 crystallizes in the trigonal R-3 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to three equivalent O(2) and six equivalent O(1) atoms. In the second K site, K(2) is bonded in a 9-coordinate geometry to three equivalent O(1) and six equivalent O(2) atoms. Ni(1) is bonded in an octahedral geometry to six equivalent N(1) atoms. N(1) is bonded in a trigonal planar geometry to one Ni(1), one O(1), and one O(2) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2), two equivalent K(1), and one N(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), two equivalent K(2), and one N(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K4Ni(NO2)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.635
_cell_length_b   7.635
_cell_length_c   8.864
_cell_angle_alpha   90.008
_cell_angle_beta   115.514
_cell_angle_gamma   119.990
_symmetry_Int_Tables_number   1
_cell_volume   388.282
_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  0.618  0.809  0.427  1.0
  K  K1  1  0.382  0.191  0.573  1.0
  K  K2  1  0.755  0.377  0.132  1.0
  K  K3  1  0.245  0.623  0.868  1.0
  N  N4  1  0.851  0.922  0.166  1.0
  N  N5  1  0.756  0.071  0.834  1.0
  N  N6  1  0.237  0.315  0.166  1.0
  N  N7  1  0.763  0.685  0.834  1.0
  N  N8  1  0.244  0.929  0.166  1.0
  N  N9  1  0.149  0.078  0.834  1.0
  Ni  Ni10  1  0.000  1.000  0.000  1.0
  O  O11  1  0.923  0.856  0.295  1.0
  O  O12  1  0.772  0.628  0.705  1.0
  O  O13  1  0.561  0.933  0.705  1.0
  O  O14  1  0.077  0.144  0.705  1.0
  O  O15  1  0.228  0.372  0.295  1.0
  O  O16  1  0.439  0.067  0.295  1.0
  O  O17  1  0.810  0.258  0.857  1.0
  O  O18  1  0.401  0.448  0.143  1.0
  O  O19  1  0.694  0.952  0.143  1.0
  O  O20  1  0.190  0.742  0.143  1.0
  O  O21  1  0.306  0.048  0.857  1.0
  O  O22  1  0.599  0.552  0.857  1.0
[/CIF]
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