The structure described by Li2Co3(P2O7)2 crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form distorted LiO4 trigonal pyramids that share corners with three equivalent Co(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-71°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, corners with three equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Co(2)O6 octahedra. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with four equivalent P(2)O4 tetrahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Li(1)O4 trigonal pyramids. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(4), one O(5), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 52-64°. In the second P site, P(2) 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 Co(2)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with two equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 49-64°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Co(1), one Co(2), and one P(2) atom to form distorted corner-sharing OLiCo2P tetrahedra. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Co(1), one Co(2), and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one Co(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to two equivalent Co(1) and one P(1) atom. is represented by the CIF file [CIF]
data_Li2Co3(P2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.525
_cell_length_b   6.910
_cell_length_c   7.403
_cell_angle_alpha   74.461
_cell_angle_beta   82.368
_cell_angle_gamma   67.421
_symmetry_Int_Tables_number   1
_cell_volume   251.279
_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
  Li  Li0  1  0.641  0.026  0.689  1.0
  Li  Li1  1  0.359  0.974  0.311  1.0
  Co  Co2  1  0.809  0.484  0.684  1.0
  Co  Co3  1  0.191  0.516  0.316  1.0
  Co  Co4  1  0.000  0.000  0.000  1.0
  P  P5  1  0.800  0.269  0.343  1.0
  P  P6  1  0.651  0.690  0.063  1.0
  P  P7  1  0.200  0.731  0.657  1.0
  P  P8  1  0.349  0.310  0.937  1.0
  O  O9  1  0.635  0.223  0.858  1.0
  O  O10  1  0.742  0.434  0.138  1.0
  O  O11  1  0.839  0.764  0.142  1.0
  O  O12  1  0.258  0.566  0.862  1.0
  O  O13  1  0.968  0.060  0.286  1.0
  O  O14  1  0.161  0.236  0.858  1.0
  O  O15  1  0.540  0.272  0.447  1.0
  O  O16  1  0.672  0.727  0.851  1.0
  O  O17  1  0.058  0.644  0.550  1.0
  O  O18  1  0.460  0.728  0.553  1.0
  O  O19  1  0.365  0.777  0.142  1.0
  O  O20  1  0.328  0.273  0.149  1.0
  O  O21  1  0.032  0.940  0.714  1.0
  O  O22  1  0.942  0.356  0.450  1.0
[/CIF]
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The structure described by Li2Co3(P2O7)2 crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form distorted LiO4 trigonal pyramids that share corners with three equivalent Co(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-71°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, corners with three equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Co(2)O6 octahedra. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with four equivalent P(2)O4 tetrahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Li(1)O4 trigonal pyramids. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(4), one O(5), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 52-64°. In the second P site, P(2) 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 Co(2)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with two equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 49-64°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Co(1), one Co(2), and one P(2) atom to form distorted corner-sharing OLiCo2P tetrahedra. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Co(1), one Co(2), and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one Co(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to two equivalent Co(1) and one P(1) atom. is represented by the CIF file [CIF]
data_Li2Co3(P2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.525
_cell_length_b   6.910
_cell_length_c   7.403
_cell_angle_alpha   74.461
_cell_angle_beta   82.368
_cell_angle_gamma   67.421
_symmetry_Int_Tables_number   1
_cell_volume   251.279
_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
  Li  Li0  1  0.641  0.026  0.689  1.0
  Li  Li1  1  0.359  0.974  0.311  1.0
  Co  Co2  1  0.809  0.484  0.684  1.0
  Co  Co3  1  0.191  0.516  0.316  1.0
  Co  Co4  1  0.000  0.000  0.000  1.0
  P  P5  1  0.800  0.269  0.343  1.0
  P  P6  1  0.651  0.690  0.063  1.0
  P  P7  1  0.200  0.731  0.657  1.0
  P  P8  1  0.349  0.310  0.937  1.0
  O  O9  1  0.635  0.223  0.858  1.0
  O  O10  1  0.742  0.434  0.138  1.0
  O  O11  1  0.839  0.764  0.142  1.0
  O  O12  1  0.258  0.566  0.862  1.0
  O  O13  1  0.968  0.060  0.286  1.0
  O  O14  1  0.161  0.236  0.858  1.0
  O  O15  1  0.540  0.272  0.447  1.0
  O  O16  1  0.672  0.727  0.851  1.0
  O  O17  1  0.058  0.644  0.550  1.0
  O  O18  1  0.460  0.728  0.553  1.0
  O  O19  1  0.365  0.777  0.142  1.0
  O  O20  1  0.328  0.273  0.149  1.0
  O  O21  1  0.032  0.940  0.714  1.0
  O  O22  1  0.942  0.356  0.450  1.0
[/CIF]
.