The structure described by LiKZnP2O7 crystallizes in the monoclinic Pc space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to one O(11), one O(4), one O(9), two equivalent O(10), two equivalent O(13), and two equivalent O(14) atoms. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(1), one O(7), two equivalent O(12), two equivalent O(5), and two equivalent O(6) atoms. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(13), one O(2), one O(4), and one O(7) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(14), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(10), one O(3), one O(6), and one O(8) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. In the second Zn site, Zn(2) is bonded to one O(11), one O(12), one O(2), and one O(4) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(13), one O(4), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(12), one O(2), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(14), one O(3), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Zn(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(1), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Zn(1)O4 tetrahedra. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one K(2), one P(2), and one P(4) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(1), one Zn(2), and one P(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one K(1), one Li(1), one Zn(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to two equivalent K(2), one Li(2), and one P(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent K(2), one Zn(1), and one P(4) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one K(2), one Li(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one K(1), one P(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Zn(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one K(1), one Zn(2), and one P(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to two equivalent K(2), one Zn(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to two equivalent K(1), one Li(1), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Li(2), and one P(3) atom. is represented by the CIF card [CIF]
data_KLiZnP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.150
_cell_length_b   10.405
_cell_length_c   12.517
_cell_angle_alpha   90.902
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   670.590
_cell_formula_units_Z   4
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  0.997  0.757  0.005  1.0
  K  K1  1  0.003  0.257  0.005  1.0
  K  K2  1  0.502  0.977  0.506  1.0
  K  K3  1  0.498  0.477  0.506  1.0
  Li  Li4  1  0.974  0.969  0.249  1.0
  Li  Li5  1  0.026  0.469  0.249  1.0
  Li  Li6  1  0.950  0.963  0.750  1.0
  Li  Li7  1  0.050  0.463  0.750  1.0
  Zn  Zn8  1  0.457  0.769  0.750  1.0
  Zn  Zn9  1  0.543  0.269  0.750  1.0
  Zn  Zn10  1  0.471  0.761  0.249  1.0
  Zn  Zn11  1  0.529  0.261  0.249  1.0
  P  P12  1  0.506  0.510  0.115  1.0
  P  P13  1  0.494  0.010  0.115  1.0
  P  P14  1  0.989  0.716  0.384  1.0
  P  P15  1  0.011  0.216  0.384  1.0
  P  P16  1  0.561  0.524  0.880  1.0
  P  P17  1  0.439  0.024  0.880  1.0
  P  P18  1  0.955  0.707  0.619  1.0
  P  P19  1  0.045  0.207  0.619  1.0
  O  O20  1  0.057  0.767  0.506  1.0
  O  O21  1  0.943  0.267  0.506  1.0
  O  O22  1  0.135  0.814  0.314  1.0
  O  O23  1  0.865  0.314  0.314  1.0
  O  O24  1  0.418  0.444  0.793  1.0
  O  O25  1  0.582  0.944  0.793  1.0
  O  O26  1  0.353  0.408  0.178  1.0
  O  O27  1  0.647  0.908  0.178  1.0
  O  O28  1  0.025  0.566  0.622  1.0
  O  O29  1  0.975  0.066  0.622  1.0
  O  O30  1  0.661  0.734  0.621  1.0
  O  O31  1  0.339  0.234  0.621  1.0
  O  O32  1  0.087  0.580  0.371  1.0
  O  O33  1  0.913  0.080  0.371  1.0
  O  O34  1  0.093  0.791  0.705  1.0
  O  O35  1  0.907  0.291  0.705  1.0
  O  O36  1  0.447  0.467  0.991  1.0
  O  O37  1  0.553  0.967  0.991  1.0
  O  O38  1  0.470  0.666  0.878  1.0
  O  O39  1  0.530  0.166  0.878  1.0
  O  O40  1  0.379  0.644  0.131  1.0
  O  O41  1  0.621  0.144  0.131  1.0
  O  O42  1  0.692  0.732  0.374  1.0
  O  O43  1  0.308  0.232  0.374  1.0
  O  O44  1  0.795  0.509  0.133  1.0
  O  O45  1  0.205  0.009  0.133  1.0
  O  O46  1  0.852  0.507  0.877  1.0
  O  O47  1  0.148  0.007  0.877  1.0
[/CIF]
.
The structure described by LiKZnP2O7 crystallizes in the monoclinic Pc space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to one O(11), one O(4), one O(9), two equivalent O(10), two equivalent O(13), and two equivalent O(14) atoms. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(1), one O(7), two equivalent O(12), two equivalent O(5), and two equivalent O(6) atoms. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(13), one O(2), one O(4), and one O(7) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(14), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(10), one O(3), one O(6), and one O(8) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. In the second Zn site, Zn(2) is bonded to one O(11), one O(12), one O(2), and one O(4) atom to form ZnO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(13), one O(4), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(12), one O(2), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(14), one O(3), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Zn(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(1), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, and corners with two equivalent Zn(1)O4 tetrahedra. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one K(2), one P(2), and one P(4) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(1), one Zn(2), and one P(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one K(1), one Li(1), one Zn(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to two equivalent K(2), one Li(2), and one P(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent K(2), one Zn(1), and one P(4) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one K(2), one Li(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(2), one Zn(1), and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one K(1), one P(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Zn(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one K(1), one Zn(2), and one P(1) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to two equivalent K(2), one Zn(2), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to two equivalent K(1), one Li(1), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Li(2), and one P(3) atom. is represented by the CIF card [CIF]
data_KLiZnP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.150
_cell_length_b   10.405
_cell_length_c   12.517
_cell_angle_alpha   90.902
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   670.590
_cell_formula_units_Z   4
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  0.997  0.757  0.005  1.0
  K  K1  1  0.003  0.257  0.005  1.0
  K  K2  1  0.502  0.977  0.506  1.0
  K  K3  1  0.498  0.477  0.506  1.0
  Li  Li4  1  0.974  0.969  0.249  1.0
  Li  Li5  1  0.026  0.469  0.249  1.0
  Li  Li6  1  0.950  0.963  0.750  1.0
  Li  Li7  1  0.050  0.463  0.750  1.0
  Zn  Zn8  1  0.457  0.769  0.750  1.0
  Zn  Zn9  1  0.543  0.269  0.750  1.0
  Zn  Zn10  1  0.471  0.761  0.249  1.0
  Zn  Zn11  1  0.529  0.261  0.249  1.0
  P  P12  1  0.506  0.510  0.115  1.0
  P  P13  1  0.494  0.010  0.115  1.0
  P  P14  1  0.989  0.716  0.384  1.0
  P  P15  1  0.011  0.216  0.384  1.0
  P  P16  1  0.561  0.524  0.880  1.0
  P  P17  1  0.439  0.024  0.880  1.0
  P  P18  1  0.955  0.707  0.619  1.0
  P  P19  1  0.045  0.207  0.619  1.0
  O  O20  1  0.057  0.767  0.506  1.0
  O  O21  1  0.943  0.267  0.506  1.0
  O  O22  1  0.135  0.814  0.314  1.0
  O  O23  1  0.865  0.314  0.314  1.0
  O  O24  1  0.418  0.444  0.793  1.0
  O  O25  1  0.582  0.944  0.793  1.0
  O  O26  1  0.353  0.408  0.178  1.0
  O  O27  1  0.647  0.908  0.178  1.0
  O  O28  1  0.025  0.566  0.622  1.0
  O  O29  1  0.975  0.066  0.622  1.0
  O  O30  1  0.661  0.734  0.621  1.0
  O  O31  1  0.339  0.234  0.621  1.0
  O  O32  1  0.087  0.580  0.371  1.0
  O  O33  1  0.913  0.080  0.371  1.0
  O  O34  1  0.093  0.791  0.705  1.0
  O  O35  1  0.907  0.291  0.705  1.0
  O  O36  1  0.447  0.467  0.991  1.0
  O  O37  1  0.553  0.967  0.991  1.0
  O  O38  1  0.470  0.666  0.878  1.0
  O  O39  1  0.530  0.166  0.878  1.0
  O  O40  1  0.379  0.644  0.131  1.0
  O  O41  1  0.621  0.144  0.131  1.0
  O  O42  1  0.692  0.732  0.374  1.0
  O  O43  1  0.308  0.232  0.374  1.0
  O  O44  1  0.795  0.509  0.133  1.0
  O  O45  1  0.205  0.009  0.133  1.0
  O  O46  1  0.852  0.507  0.877  1.0
  O  O47  1  0.148  0.007  0.877  1.0
[/CIF]
.