The crystal structure described by K2ZnN4 crystallizes in the triclinic P-1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded to one N(1), one N(2), two equivalent N(3), and two equivalent N(4) atoms to form distorted KN6 pentagonal pyramids that share corners with two equivalent Zn(1)N4 tetrahedra, edges with two equivalent K(1)N6 pentagonal pyramids, and edges with two equivalent Zn(1)N4 tetrahedra. In the second K site, K(2) is bonded in a 6-coordinate geometry to one N(3), one N(4), two equivalent N(1), and two equivalent N(2) atoms. Zn(1) is bonded to one N(1), one N(2), one N(3), and one N(4) atom to form ZnN4 tetrahedra that share corners with two equivalent K(1)N6 pentagonal pyramids and edges with two equivalent K(1)N6 pentagonal pyramids. There are four inequivalent N sites. In the first N site, N(1) is bonded in a rectangular see-saw-like geometry to one K(1), two equivalent K(2), and one Zn(1) atom. In the second N site, N(2) is bonded in a 4-coordinate geometry to one K(1), two equivalent K(2), and one Zn(1) atom. In the third N site, N(3) is bonded in a distorted see-saw-like geometry to one K(2), two equivalent K(1), and one Zn(1) atom. In the fourth N site, N(4) is bonded in a distorted rectangular see-saw-like geometry to one K(2), two equivalent K(1), and one Zn(1) atom. is represented by the CIF file [CIF]
data_K2ZnN4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.001
_cell_length_b   7.142
_cell_length_c   8.186
_cell_angle_alpha   72.630
_cell_angle_beta   70.299
_cell_angle_gamma   61.770
_symmetry_Int_Tables_number   1
_cell_volume   334.660
_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  0.307  0.720  0.840  1.0
  K  K1  1  0.693  0.280  0.160  1.0
  K  K2  1  0.287  0.832  0.338  1.0
  K  K3  1  0.713  0.168  0.662  1.0
  Zn  Zn4  1  0.103  0.290  0.757  1.0
  Zn  Zn5  1  0.897  0.710  0.243  1.0
  N  N6  1  0.167  0.097  0.603  1.0
  N  N7  1  0.833  0.903  0.397  1.0
  N  N8  1  0.266  0.467  0.661  1.0
  N  N9  1  0.734  0.533  0.339  1.0
  N  N10  1  0.189  0.105  0.976  1.0
  N  N11  1  0.811  0.895  0.024  1.0
  N  N12  1  0.784  0.459  0.811  1.0
  N  N13  1  0.216  0.541  0.189  1.0
[/CIF]
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The crystal structure described by K2ZnN4 crystallizes in the triclinic P-1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded to one N(1), one N(2), two equivalent N(3), and two equivalent N(4) atoms to form distorted KN6 pentagonal pyramids that share corners with two equivalent Zn(1)N4 tetrahedra, edges with two equivalent K(1)N6 pentagonal pyramids, and edges with two equivalent Zn(1)N4 tetrahedra. In the second K site, K(2) is bonded in a 6-coordinate geometry to one N(3), one N(4), two equivalent N(1), and two equivalent N(2) atoms. Zn(1) is bonded to one N(1), one N(2), one N(3), and one N(4) atom to form ZnN4 tetrahedra that share corners with two equivalent K(1)N6 pentagonal pyramids and edges with two equivalent K(1)N6 pentagonal pyramids. There are four inequivalent N sites. In the first N site, N(1) is bonded in a rectangular see-saw-like geometry to one K(1), two equivalent K(2), and one Zn(1) atom. In the second N site, N(2) is bonded in a 4-coordinate geometry to one K(1), two equivalent K(2), and one Zn(1) atom. In the third N site, N(3) is bonded in a distorted see-saw-like geometry to one K(2), two equivalent K(1), and one Zn(1) atom. In the fourth N site, N(4) is bonded in a distorted rectangular see-saw-like geometry to one K(2), two equivalent K(1), and one Zn(1) atom. is represented by the CIF file [CIF]
data_K2ZnN4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.001
_cell_length_b   7.142
_cell_length_c   8.186
_cell_angle_alpha   72.630
_cell_angle_beta   70.299
_cell_angle_gamma   61.770
_symmetry_Int_Tables_number   1
_cell_volume   334.660
_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  0.307  0.720  0.840  1.0
  K  K1  1  0.693  0.280  0.160  1.0
  K  K2  1  0.287  0.832  0.338  1.0
  K  K3  1  0.713  0.168  0.662  1.0
  Zn  Zn4  1  0.103  0.290  0.757  1.0
  Zn  Zn5  1  0.897  0.710  0.243  1.0
  N  N6  1  0.167  0.097  0.603  1.0
  N  N7  1  0.833  0.903  0.397  1.0
  N  N8  1  0.266  0.467  0.661  1.0
  N  N9  1  0.734  0.533  0.339  1.0
  N  N10  1  0.189  0.105  0.976  1.0
  N  N11  1  0.811  0.895  0.024  1.0
  N  N12  1  0.784  0.459  0.811  1.0
  N  N13  1  0.216  0.541  0.189  1.0
[/CIF]
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