The material structure described by KCoP3O9 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(18), one O(4), one O(5), and one O(7) atom. In the second K site, K(2) is bonded in a 7-coordinate geometry to one O(1), one O(15), one O(2), one O(3), one O(4), one O(8), and one O(9) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), one O(8), and one O(9) atom. In the second Co site, Co(2) is bonded to one O(10), one O(13), one O(14), one O(18), one O(3), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(17), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 52°. In the second P site, P(2) is bonded to one O(16), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles are 38°. In the third P site, P(3) is bonded to one O(12), one O(13), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. In the fourth P site, P(4) is bonded to one O(10), one O(11), one O(12), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 28°. In the fifth P site, P(5) is bonded to one O(1), one O(14), one O(16), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 35°. In the sixth P site, P(6) is bonded to one O(15), one O(18), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles are 27°. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one K(2), one Co(1), and one P(5) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(2), one Co(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one K(2), one Co(2), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one K(1), one Co(1), one P(5), and one P(6) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one P(1) and one P(6) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one Co(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 Co(1), and one P(4) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one K(2), one Co(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Co(2) and one P(4) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one P(1) and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one P(3) and one P(4) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one K(1), one Co(2), and one P(3) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one K(1), one Co(2), and one P(5) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one P(6) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one K(1), one P(2), and one P(5) atom. In the seventeenth O site, O(17) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one K(1), one Co(2), and one P(6) atom. is represented by the CIF file [CIF]
data_KCo(PO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.198
_cell_length_b   7.619
_cell_length_c   10.033
_cell_angle_alpha   90.623
_cell_angle_beta   108.734
_cell_angle_gamma   117.288
_symmetry_Int_Tables_number   1
_cell_volume   454.870
_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  0.143  0.442  0.041  1.0
  K  K1  1  0.533  0.451  0.395  1.0
  Co  Co2  1  0.677  0.037  0.471  1.0
  Co  Co3  1  0.689  0.542  0.003  1.0
  P  P4  1  0.232  0.099  0.853  1.0
  P  P5  1  0.888  0.340  0.273  1.0
  P  P6  1  0.576  0.154  0.746  1.0
  P  P7  1  0.700  0.838  0.737  1.0
  P  P8  1  0.663  0.899  0.204  1.0
  P  P9  1  0.229  0.932  0.115  1.0
  O  O10  1  0.768  0.883  0.357  1.0
  O  O11  1  0.830  0.287  0.409  1.0
  O  O12  1  0.736  0.416  0.180  1.0
  O  O13  1  0.134  0.454  0.300  1.0
  O  O14  1  0.435  0.899  0.211  1.0
  O  O15  1  0.286  0.969  0.964  1.0
  O  O16  1  0.333  0.316  0.908  1.0
  O  O17  1  0.602  0.800  0.576  1.0
  O  O18  1  0.578  0.169  0.597  1.0
  O  O19  1  0.667  0.668  0.813  1.0
  O  O20  1  0.970  0.001  0.776  1.0
  O  O21  1  0.627  0.978  0.804  1.0
  O  O22  1  0.719  0.333  0.865  1.0
  O  O23  1  0.592  0.733  0.086  1.0
  O  O24  1  0.241  0.115  0.179  1.0
  O  O25  1  0.796  0.113  0.170  1.0
  O  O26  1  0.311  0.056  0.730  1.0
  O  O27  1  0.026  0.730  0.073  1.0
[/CIF]
.
The material structure described by KCoP3O9 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(18), one O(4), one O(5), and one O(7) atom. In the second K site, K(2) is bonded in a 7-coordinate geometry to one O(1), one O(15), one O(2), one O(3), one O(4), one O(8), and one O(9) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), one O(8), and one O(9) atom. In the second Co site, Co(2) is bonded to one O(10), one O(13), one O(14), one O(18), one O(3), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(17), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 52°. In the second P site, P(2) is bonded to one O(16), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles are 38°. In the third P site, P(3) is bonded to one O(12), one O(13), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. In the fourth P site, P(4) is bonded to one O(10), one O(11), one O(12), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 28°. In the fifth P site, P(5) is bonded to one O(1), one O(14), one O(16), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 35°. In the sixth P site, P(6) is bonded to one O(15), one O(18), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles are 27°. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one K(2), one Co(1), and one P(5) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(2), one Co(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one K(2), one Co(2), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one K(1), one Co(1), one P(5), and one P(6) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one P(1) and one P(6) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one Co(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 Co(1), and one P(4) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one K(2), one Co(1), and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Co(2) and one P(4) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one P(1) and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one P(3) and one P(4) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one K(1), one Co(2), and one P(3) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one K(1), one Co(2), and one P(5) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one P(6) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one K(1), one P(2), and one P(5) atom. In the seventeenth O site, O(17) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one K(1), one Co(2), and one P(6) atom. is represented by the CIF file [CIF]
data_KCo(PO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.198
_cell_length_b   7.619
_cell_length_c   10.033
_cell_angle_alpha   90.623
_cell_angle_beta   108.734
_cell_angle_gamma   117.288
_symmetry_Int_Tables_number   1
_cell_volume   454.870
_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  0.143  0.442  0.041  1.0
  K  K1  1  0.533  0.451  0.395  1.0
  Co  Co2  1  0.677  0.037  0.471  1.0
  Co  Co3  1  0.689  0.542  0.003  1.0
  P  P4  1  0.232  0.099  0.853  1.0
  P  P5  1  0.888  0.340  0.273  1.0
  P  P6  1  0.576  0.154  0.746  1.0
  P  P7  1  0.700  0.838  0.737  1.0
  P  P8  1  0.663  0.899  0.204  1.0
  P  P9  1  0.229  0.932  0.115  1.0
  O  O10  1  0.768  0.883  0.357  1.0
  O  O11  1  0.830  0.287  0.409  1.0
  O  O12  1  0.736  0.416  0.180  1.0
  O  O13  1  0.134  0.454  0.300  1.0
  O  O14  1  0.435  0.899  0.211  1.0
  O  O15  1  0.286  0.969  0.964  1.0
  O  O16  1  0.333  0.316  0.908  1.0
  O  O17  1  0.602  0.800  0.576  1.0
  O  O18  1  0.578  0.169  0.597  1.0
  O  O19  1  0.667  0.668  0.813  1.0
  O  O20  1  0.970  0.001  0.776  1.0
  O  O21  1  0.627  0.978  0.804  1.0
  O  O22  1  0.719  0.333  0.865  1.0
  O  O23  1  0.592  0.733  0.086  1.0
  O  O24  1  0.241  0.115  0.179  1.0
  O  O25  1  0.796  0.113  0.170  1.0
  O  O26  1  0.311  0.056  0.730  1.0
  O  O27  1  0.026  0.730  0.073  1.0
[/CIF]
.