The structure described by K2LiNb2P2(CO7)2 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), and two equivalent O(5) atoms. In the second K site, K(2) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(13), one O(14), and one O(8) atom. Li(1) is bonded in a 4-coordinate geometry to one O(1), one O(14), one O(2), and one O(3) atom. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form NbO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. In the second Nb site, Nb(2) is bonded to one O(10), one O(11), one O(12), one O(13), one O(7), and one O(9) atom to form NbO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(14), one O(2), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(12), and one O(13) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(4), one O(5), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with two equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-45°. In the second P site, P(2) is bonded to one O(10), one O(11), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with two equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-46°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one K(1), one Li(1), and one C(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(1), one Li(1), one Nb(1), and one C(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one Li(1), one Nb(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(1), one Nb(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent K(1), one Nb(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Nb(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one Nb(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(2), one Nb(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Nb(2) and one P(1) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one K(2), one Nb(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one Nb(2) and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Nb(2), and one C(2) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one K(2), one Nb(2), and one C(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one K(2), one Li(1), and one C(1) atom. is represented by the CIF file [CIF]
data_K2LiNb2P2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.522
_cell_length_b   6.607
_cell_length_c   5.283
_cell_angle_alpha   89.818
_cell_angle_beta   87.541
_cell_angle_gamma   87.636
_symmetry_Int_Tables_number   1
_cell_volume   366.606
_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  0.226  0.400  0.253  1.0
  K  K1  1  0.775  0.905  0.755  1.0
  Li  Li2  1  0.092  0.897  0.265  1.0
  Nb  Nb3  1  0.360  0.793  0.794  1.0
  Nb  Nb4  1  0.659  0.280  0.220  1.0
  P  P5  1  0.441  0.284  0.722  1.0
  P  P6  1  0.574  0.779  0.294  1.0
  C  C7  1  0.115  0.775  0.706  1.0
  C  C8  1  0.900  0.213  0.267  1.0
  O  O9  1  0.017  0.166  0.290  1.0
  O  O10  1  0.157  0.781  0.939  1.0
  O  O11  1  0.209  0.785  0.527  1.0
  O  O12  1  0.351  0.105  0.777  1.0
  O  O13  1  0.356  0.477  0.789  1.0
  O  O14  1  0.455  0.785  0.133  1.0
  O  O15  1  0.480  0.289  0.436  1.0
  O  O16  1  0.538  0.782  0.580  1.0
  O  O17  1  0.558  0.267  0.886  1.0
  O  O18  1  0.659  0.961  0.232  1.0
  O  O19  1  0.660  0.586  0.230  1.0
  O  O20  1  0.818  0.239  0.462  1.0
  O  O21  1  0.847  0.235  0.047  1.0
  O  O22  1  0.003  0.762  0.645  1.0
[/CIF]
.
The structure described by K2LiNb2P2(CO7)2 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), and two equivalent O(5) atoms. In the second K site, K(2) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(13), one O(14), and one O(8) atom. Li(1) is bonded in a 4-coordinate geometry to one O(1), one O(14), one O(2), and one O(3) atom. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form NbO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. In the second Nb site, Nb(2) is bonded to one O(10), one O(11), one O(12), one O(13), one O(7), and one O(9) atom to form NbO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(14), one O(2), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(12), and one O(13) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(4), one O(5), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with two equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-45°. In the second P site, P(2) is bonded to one O(10), one O(11), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with two equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-46°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one K(1), one Li(1), and one C(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(1), one Li(1), one Nb(1), and one C(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one Li(1), one Nb(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(1), one Nb(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent K(1), one Nb(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Nb(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one Nb(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(2), one Nb(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Nb(2) and one P(1) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one K(2), one Nb(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one Nb(2) and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Nb(2), and one C(2) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one K(2), one Nb(2), and one C(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one K(2), one Li(1), and one C(1) atom. is represented by the CIF file [CIF]
data_K2LiNb2P2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.522
_cell_length_b   6.607
_cell_length_c   5.283
_cell_angle_alpha   89.818
_cell_angle_beta   87.541
_cell_angle_gamma   87.636
_symmetry_Int_Tables_number   1
_cell_volume   366.606
_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  0.226  0.400  0.253  1.0
  K  K1  1  0.775  0.905  0.755  1.0
  Li  Li2  1  0.092  0.897  0.265  1.0
  Nb  Nb3  1  0.360  0.793  0.794  1.0
  Nb  Nb4  1  0.659  0.280  0.220  1.0
  P  P5  1  0.441  0.284  0.722  1.0
  P  P6  1  0.574  0.779  0.294  1.0
  C  C7  1  0.115  0.775  0.706  1.0
  C  C8  1  0.900  0.213  0.267  1.0
  O  O9  1  0.017  0.166  0.290  1.0
  O  O10  1  0.157  0.781  0.939  1.0
  O  O11  1  0.209  0.785  0.527  1.0
  O  O12  1  0.351  0.105  0.777  1.0
  O  O13  1  0.356  0.477  0.789  1.0
  O  O14  1  0.455  0.785  0.133  1.0
  O  O15  1  0.480  0.289  0.436  1.0
  O  O16  1  0.538  0.782  0.580  1.0
  O  O17  1  0.558  0.267  0.886  1.0
  O  O18  1  0.659  0.961  0.232  1.0
  O  O19  1  0.660  0.586  0.230  1.0
  O  O20  1  0.818  0.239  0.462  1.0
  O  O21  1  0.847  0.235  0.047  1.0
  O  O22  1  0.003  0.762  0.645  1.0
[/CIF]
.