The compound described by KZnP2H5O9 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 8-coordinate geometry to one O(2), one O(5), one O(8), one O(9), two equivalent O(3), and two equivalent O(7) atoms. Zn(1) is bonded to one O(3), one O(4), one O(6), and one O(7) atom to form ZnO4 tetrahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra. In the second P site, P(2) is bonded to one O(4), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. In the third H site, H(3) is bonded in a linear geometry to one O(1) and one O(8) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(1) and one O(5) atom. In the fifth H site, H(5) is bonded in a linear geometry to one O(2) and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted water-like geometry to one K(1), one H(1), one H(2), and one H(5) atom. In the second O site, O(1) is bonded in a trigonal planar geometry to one P(1), one H(3), and one H(4) atom. In the third O site, O(2) is bonded in a distorted bent 120 degrees geometry to one K(1), one P(1), and one H(5) atom. In the fourth O site, O(3) is bonded in a 2-coordinate geometry to two equivalent K(1), one Zn(1), and one P(1) atom. In the fifth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the sixth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one K(1), one P(2), and one H(4) atom. In the seventh O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one P(1) atom. In the eighth O site, O(7) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Zn(1), and one P(2) atom. In the ninth O site, O(8) is bonded in a distorted water-like geometry to one K(1), one P(2), and one H(3) atom. is represented by the CIF card [CIF]
data_KZnP2H5O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.739
_cell_length_b   7.912
_cell_length_c   8.068
_cell_angle_alpha   115.311
_cell_angle_beta   84.884
_cell_angle_gamma   107.938
_symmetry_Int_Tables_number   1
_cell_volume   424.342
_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  0.862  0.776  0.776  1.0
  K  K1  1  0.138  0.224  0.224  1.0
  Zn  Zn2  1  0.739  0.232  0.969  1.0
  Zn  Zn3  1  0.261  0.768  0.031  1.0
  P  P4  1  0.378  0.951  0.746  1.0
  P  P5  1  0.622  0.049  0.254  1.0
  P  P6  1  0.080  0.321  0.740  1.0
  P  P7  1  0.920  0.679  0.260  1.0
  H  H8  1  0.544  0.523  0.273  1.0
  H  H9  1  0.456  0.477  0.727  1.0
  H  H10  1  0.447  0.669  0.274  1.0
  H  H11  1  0.553  0.331  0.726  1.0
  H  H12  1  0.861  0.281  0.563  1.0
  H  H13  1  0.139  0.719  0.437  1.0
  H  H14  1  0.202  0.079  0.577  1.0
  H  H15  1  0.798  0.921  0.423  1.0
  H  H16  1  0.466  0.703  0.538  1.0
  H  H17  1  0.534  0.297  0.462  1.0
  O  O18  1  0.257  0.918  0.586  1.0
  O  O19  1  0.477  0.785  0.677  1.0
  O  O20  1  0.738  0.064  0.092  1.0
  O  O21  1  0.523  0.215  0.323  1.0
  O  O22  1  0.765  0.503  0.142  1.0
  O  O23  1  0.235  0.497  0.858  1.0
  O  O24  1  0.839  0.813  0.435  1.0
  O  O25  1  0.161  0.187  0.565  1.0
  O  O26  1  0.525  0.154  0.811  1.0
  O  O27  1  0.475  0.846  0.189  1.0
  O  O28  1  0.968  0.202  0.843  1.0
  O  O29  1  0.032  0.798  0.157  1.0
  O  O30  1  0.045  0.603  0.340  1.0
  O  O31  1  0.955  0.397  0.660  1.0
  O  O32  1  0.562  0.429  0.677  1.0
  O  O33  1  0.438  0.571  0.323  1.0
  O  O34  1  0.262  0.936  0.908  1.0
  O  O35  1  0.743  0.082  0.414  1.0
[/CIF]
.
The compound described by KZnP2H5O9 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 8-coordinate geometry to one O(2), one O(5), one O(8), one O(9), two equivalent O(3), and two equivalent O(7) atoms. Zn(1) is bonded to one O(3), one O(4), one O(6), and one O(7) atom to form ZnO4 tetrahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra. In the second P site, P(2) is bonded to one O(4), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. In the third H site, H(3) is bonded in a linear geometry to one O(1) and one O(8) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(1) and one O(5) atom. In the fifth H site, H(5) is bonded in a linear geometry to one O(2) and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted water-like geometry to one K(1), one H(1), one H(2), and one H(5) atom. In the second O site, O(1) is bonded in a trigonal planar geometry to one P(1), one H(3), and one H(4) atom. In the third O site, O(2) is bonded in a distorted bent 120 degrees geometry to one K(1), one P(1), and one H(5) atom. In the fourth O site, O(3) is bonded in a 2-coordinate geometry to two equivalent K(1), one Zn(1), and one P(1) atom. In the fifth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the sixth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one K(1), one P(2), and one H(4) atom. In the seventh O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one P(1) atom. In the eighth O site, O(7) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Zn(1), and one P(2) atom. In the ninth O site, O(8) is bonded in a distorted water-like geometry to one K(1), one P(2), and one H(3) atom. is represented by the CIF card [CIF]
data_KZnP2H5O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.739
_cell_length_b   7.912
_cell_length_c   8.068
_cell_angle_alpha   115.311
_cell_angle_beta   84.884
_cell_angle_gamma   107.938
_symmetry_Int_Tables_number   1
_cell_volume   424.342
_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  0.862  0.776  0.776  1.0
  K  K1  1  0.138  0.224  0.224  1.0
  Zn  Zn2  1  0.739  0.232  0.969  1.0
  Zn  Zn3  1  0.261  0.768  0.031  1.0
  P  P4  1  0.378  0.951  0.746  1.0
  P  P5  1  0.622  0.049  0.254  1.0
  P  P6  1  0.080  0.321  0.740  1.0
  P  P7  1  0.920  0.679  0.260  1.0
  H  H8  1  0.544  0.523  0.273  1.0
  H  H9  1  0.456  0.477  0.727  1.0
  H  H10  1  0.447  0.669  0.274  1.0
  H  H11  1  0.553  0.331  0.726  1.0
  H  H12  1  0.861  0.281  0.563  1.0
  H  H13  1  0.139  0.719  0.437  1.0
  H  H14  1  0.202  0.079  0.577  1.0
  H  H15  1  0.798  0.921  0.423  1.0
  H  H16  1  0.466  0.703  0.538  1.0
  H  H17  1  0.534  0.297  0.462  1.0
  O  O18  1  0.257  0.918  0.586  1.0
  O  O19  1  0.477  0.785  0.677  1.0
  O  O20  1  0.738  0.064  0.092  1.0
  O  O21  1  0.523  0.215  0.323  1.0
  O  O22  1  0.765  0.503  0.142  1.0
  O  O23  1  0.235  0.497  0.858  1.0
  O  O24  1  0.839  0.813  0.435  1.0
  O  O25  1  0.161  0.187  0.565  1.0
  O  O26  1  0.525  0.154  0.811  1.0
  O  O27  1  0.475  0.846  0.189  1.0
  O  O28  1  0.968  0.202  0.843  1.0
  O  O29  1  0.032  0.798  0.157  1.0
  O  O30  1  0.045  0.603  0.340  1.0
  O  O31  1  0.955  0.397  0.660  1.0
  O  O32  1  0.562  0.429  0.677  1.0
  O  O33  1  0.438  0.571  0.323  1.0
  O  O34  1  0.262  0.936  0.908  1.0
  O  O35  1  0.743  0.082  0.414  1.0
[/CIF]
.