The structure described by Li6FeCoP2(CO7)2 crystallizes in the monoclinic Pm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(12), one O(2), and two equivalent O(4) atoms. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, and edges with two equivalent Li(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 66-87°. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(7), one O(8), and one O(9) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Li(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 67-86°. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(1), one O(11), and two equivalent O(9) atoms. Fe(1) is bonded to one O(10), one O(12), one O(6), one O(8), and two equivalent O(9) atoms to form FeO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent Li(2)O5 trigonal bipyramids, corners with two equivalent Li(3)O5 trigonal bipyramids, and edges with two equivalent Li(3)O5 trigonal bipyramids. Co(1) is bonded to one O(1), one O(3), one O(5), one O(7), and two equivalent O(4) atoms to form distorted CoO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent Li(2)O5 trigonal bipyramids, corners with two equivalent Li(3)O5 trigonal bipyramids, and edges with two equivalent Li(2)O5 trigonal bipyramids. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(11), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(10), one O(12), and one O(2) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(6), one O(8), and two equivalent O(4) atoms to form PO4 tetrahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Li(3)O5 trigonal bipyramids, and corners with four equivalent Li(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 44-60°. In the second P site, P(2) is bonded to one O(5), one O(7), and two equivalent O(9) atoms to form PO4 tetrahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Li(2)O5 trigonal bipyramids, and corners with four equivalent Li(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 45-60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(4), one Co(1), and one C(1) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(2), and one C(2) atom to form OLi3C tetrahedra that share corners with two equivalent O(5)Li2CoP trigonal pyramids, corners with four equivalent O(4)Li2CoP trigonal pyramids, and  an edgeedge with one O(6)Li2FeP tetrahedra. In the third O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Li(2), one Co(1), and one C(1) atom. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Co(1), and one P(1) atom to form distorted OLi2CoP trigonal pyramids that share  a cornercorner with one O(7)Li2CoP tetrahedra, corners with two equivalent O(6)Li2FeP tetrahedra, corners with two equivalent O(2)Li3C tetrahedra,  a cornercorner with one O(4)Li2CoP trigonal pyramid,  a cornercorner with one O(8)Li2FeP trigonal pyramid,  an edgeedge with one O(4)Li2CoP trigonal pyramid, and  an edgeedge with one O(5)Li2CoP trigonal pyramid. In the fifth O site, O(5) is bonded to two equivalent Li(2), one Co(1), and one P(2) atom to form distorted OLi2CoP trigonal pyramids that share corners with two equivalent O(7)Li2CoP tetrahedra, corners with two equivalent O(6)Li2FeP tetrahedra, corners with two equivalent O(2)Li3C tetrahedra, corners with two equivalent O(9)Li2FeP trigonal pyramids, and edges with two equivalent O(4)Li2CoP trigonal pyramids. In the sixth O site, O(6) is bonded to two equivalent Li(2), one Fe(1), and one P(1) atom to form distorted OLi2FeP tetrahedra that share corners with two equivalent O(5)Li2CoP trigonal pyramids, corners with two equivalent O(8)Li2FeP trigonal pyramids, corners with two equivalent O(9)Li2FeP trigonal pyramids, corners with four equivalent O(4)Li2CoP trigonal pyramids, and  an edgeedge with one O(2)Li3C tetrahedra. In the seventh O site, O(7) is bonded to two equivalent Li(3), one Co(1), and one P(2) atom to form distorted OLi2CoP tetrahedra that share corners with two equivalent O(4)Li2CoP trigonal pyramids, corners with two equivalent O(5)Li2CoP trigonal pyramids, corners with two equivalent O(8)Li2FeP trigonal pyramids, corners with four equivalent O(9)Li2FeP trigonal pyramids, and  an edgeedge with one O(11)Li3C tetrahedra. In the eighth O site, O(8) is bonded to two equivalent Li(3), one Fe(1), and one P(1) atom to form distorted OLi2FeP trigonal pyramids that share corners with two equivalent O(7)Li2CoP tetrahedra, corners with two equivalent O(6)Li2FeP tetrahedra, corners with two equivalent O(11)Li3C tetrahedra, corners with two equivalent O(4)Li2CoP trigonal pyramids, and edges with two equivalent O(9)Li2FeP trigonal pyramids. In the ninth O site, O(9) is bonded to one Li(3), one Li(4), one Fe(1), and one P(2) atom to form distorted OLi2FeP trigonal pyramids that share  a cornercorner with one O(6)Li2FeP tetrahedra, corners with two equivalent O(7)Li2CoP tetrahedra, corners with two equivalent O(11)Li3C tetrahedra,  a cornercorner with one O(5)Li2CoP trigonal pyramid,  a cornercorner with one O(9)Li2FeP trigonal pyramid,  an edgeedge with one O(8)Li2FeP trigonal pyramid, and  an edgeedge with one O(9)Li2FeP trigonal pyramid. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to two equivalent Li(3), one Fe(1), and one C(2) atom. In the eleventh O site, O(11) is bonded to one Li(4), two equivalent Li(3), and one C(1) atom to form OLi3C tetrahedra that share corners with two equivalent O(8)Li2FeP trigonal pyramids, corners with four equivalent O(9)Li2FeP trigonal pyramids, and  an edgeedge with one O(7)Li2CoP tetrahedra. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one C(2) atom. is represented by the CIF file [CIF]
data_Li6FeCoP2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.415
_cell_length_b   4.987
_cell_length_c   8.397
_cell_angle_alpha   85.410
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   267.791
_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  0.500  0.764  0.096  1.0
  Li  Li1  1  0.271  0.248  0.276  1.0
  Li  Li2  1  0.729  0.248  0.276  1.0
  Li  Li3  1  0.772  0.751  0.724  1.0
  Li  Li4  1  0.228  0.751  0.724  1.0
  Li  Li5  1  0.000  0.237  0.904  1.0
  Fe  Fe6  1  0.500  0.204  0.670  1.0
  Co  Co7  1  0.000  0.794  0.335  1.0
  P  P8  1  0.500  0.719  0.414  1.0
  P  P9  1  0.000  0.280  0.587  1.0
  C  C10  1  0.000  0.702  0.037  1.0
  C  C11  1  0.500  0.299  0.963  1.0
  O  O12  1  0.000  0.949  0.073  1.0
  O  O13  1  0.500  0.359  0.110  1.0
  O  O14  1  0.000  0.510  0.152  1.0
  O  O15  1  0.313  0.825  0.309  1.0
  O  O16  1  0.687  0.825  0.309  1.0
  O  O17  1  0.000  0.174  0.419  1.0
  O  O18  1  0.500  0.405  0.435  1.0
  O  O19  1  0.000  0.594  0.566  1.0
  O  O20  1  0.500  0.828  0.581  1.0
  O  O21  1  0.188  0.175  0.691  1.0
  O  O22  1  0.812  0.175  0.691  1.0
  O  O23  1  0.500  0.488  0.846  1.0
  O  O24  1  0.000  0.641  0.889  1.0
  O  O25  1  0.500  0.052  0.924  1.0
[/CIF]
.
The structure described by Li6FeCoP2(CO7)2 crystallizes in the monoclinic Pm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(12), one O(2), and two equivalent O(4) atoms. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, and edges with two equivalent Li(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 66-87°. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(7), one O(8), and one O(9) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Li(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 67-86°. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(1), one O(11), and two equivalent O(9) atoms. Fe(1) is bonded to one O(10), one O(12), one O(6), one O(8), and two equivalent O(9) atoms to form FeO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent Li(2)O5 trigonal bipyramids, corners with two equivalent Li(3)O5 trigonal bipyramids, and edges with two equivalent Li(3)O5 trigonal bipyramids. Co(1) is bonded to one O(1), one O(3), one O(5), one O(7), and two equivalent O(4) atoms to form distorted CoO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent Li(2)O5 trigonal bipyramids, corners with two equivalent Li(3)O5 trigonal bipyramids, and edges with two equivalent Li(2)O5 trigonal bipyramids. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(11), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(10), one O(12), and one O(2) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(6), one O(8), and two equivalent O(4) atoms to form PO4 tetrahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Li(3)O5 trigonal bipyramids, and corners with four equivalent Li(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 44-60°. In the second P site, P(2) is bonded to one O(5), one O(7), and two equivalent O(9) atoms to form PO4 tetrahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Li(2)O5 trigonal bipyramids, and corners with four equivalent Li(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 45-60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(4), one Co(1), and one C(1) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(2), and one C(2) atom to form OLi3C tetrahedra that share corners with two equivalent O(5)Li2CoP trigonal pyramids, corners with four equivalent O(4)Li2CoP trigonal pyramids, and  an edgeedge with one O(6)Li2FeP tetrahedra. In the third O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Li(2), one Co(1), and one C(1) atom. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Co(1), and one P(1) atom to form distorted OLi2CoP trigonal pyramids that share  a cornercorner with one O(7)Li2CoP tetrahedra, corners with two equivalent O(6)Li2FeP tetrahedra, corners with two equivalent O(2)Li3C tetrahedra,  a cornercorner with one O(4)Li2CoP trigonal pyramid,  a cornercorner with one O(8)Li2FeP trigonal pyramid,  an edgeedge with one O(4)Li2CoP trigonal pyramid, and  an edgeedge with one O(5)Li2CoP trigonal pyramid. In the fifth O site, O(5) is bonded to two equivalent Li(2), one Co(1), and one P(2) atom to form distorted OLi2CoP trigonal pyramids that share corners with two equivalent O(7)Li2CoP tetrahedra, corners with two equivalent O(6)Li2FeP tetrahedra, corners with two equivalent O(2)Li3C tetrahedra, corners with two equivalent O(9)Li2FeP trigonal pyramids, and edges with two equivalent O(4)Li2CoP trigonal pyramids. In the sixth O site, O(6) is bonded to two equivalent Li(2), one Fe(1), and one P(1) atom to form distorted OLi2FeP tetrahedra that share corners with two equivalent O(5)Li2CoP trigonal pyramids, corners with two equivalent O(8)Li2FeP trigonal pyramids, corners with two equivalent O(9)Li2FeP trigonal pyramids, corners with four equivalent O(4)Li2CoP trigonal pyramids, and  an edgeedge with one O(2)Li3C tetrahedra. In the seventh O site, O(7) is bonded to two equivalent Li(3), one Co(1), and one P(2) atom to form distorted OLi2CoP tetrahedra that share corners with two equivalent O(4)Li2CoP trigonal pyramids, corners with two equivalent O(5)Li2CoP trigonal pyramids, corners with two equivalent O(8)Li2FeP trigonal pyramids, corners with four equivalent O(9)Li2FeP trigonal pyramids, and  an edgeedge with one O(11)Li3C tetrahedra. In the eighth O site, O(8) is bonded to two equivalent Li(3), one Fe(1), and one P(1) atom to form distorted OLi2FeP trigonal pyramids that share corners with two equivalent O(7)Li2CoP tetrahedra, corners with two equivalent O(6)Li2FeP tetrahedra, corners with two equivalent O(11)Li3C tetrahedra, corners with two equivalent O(4)Li2CoP trigonal pyramids, and edges with two equivalent O(9)Li2FeP trigonal pyramids. In the ninth O site, O(9) is bonded to one Li(3), one Li(4), one Fe(1), and one P(2) atom to form distorted OLi2FeP trigonal pyramids that share  a cornercorner with one O(6)Li2FeP tetrahedra, corners with two equivalent O(7)Li2CoP tetrahedra, corners with two equivalent O(11)Li3C tetrahedra,  a cornercorner with one O(5)Li2CoP trigonal pyramid,  a cornercorner with one O(9)Li2FeP trigonal pyramid,  an edgeedge with one O(8)Li2FeP trigonal pyramid, and  an edgeedge with one O(9)Li2FeP trigonal pyramid. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to two equivalent Li(3), one Fe(1), and one C(2) atom. In the eleventh O site, O(11) is bonded to one Li(4), two equivalent Li(3), and one C(1) atom to form OLi3C tetrahedra that share corners with two equivalent O(8)Li2FeP trigonal pyramids, corners with four equivalent O(9)Li2FeP trigonal pyramids, and  an edgeedge with one O(7)Li2CoP tetrahedra. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one C(2) atom. is represented by the CIF file [CIF]
data_Li6FeCoP2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.415
_cell_length_b   4.987
_cell_length_c   8.397
_cell_angle_alpha   85.410
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   267.791
_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  0.500  0.764  0.096  1.0
  Li  Li1  1  0.271  0.248  0.276  1.0
  Li  Li2  1  0.729  0.248  0.276  1.0
  Li  Li3  1  0.772  0.751  0.724  1.0
  Li  Li4  1  0.228  0.751  0.724  1.0
  Li  Li5  1  0.000  0.237  0.904  1.0
  Fe  Fe6  1  0.500  0.204  0.670  1.0
  Co  Co7  1  0.000  0.794  0.335  1.0
  P  P8  1  0.500  0.719  0.414  1.0
  P  P9  1  0.000  0.280  0.587  1.0
  C  C10  1  0.000  0.702  0.037  1.0
  C  C11  1  0.500  0.299  0.963  1.0
  O  O12  1  0.000  0.949  0.073  1.0
  O  O13  1  0.500  0.359  0.110  1.0
  O  O14  1  0.000  0.510  0.152  1.0
  O  O15  1  0.313  0.825  0.309  1.0
  O  O16  1  0.687  0.825  0.309  1.0
  O  O17  1  0.000  0.174  0.419  1.0
  O  O18  1  0.500  0.405  0.435  1.0
  O  O19  1  0.000  0.594  0.566  1.0
  O  O20  1  0.500  0.828  0.581  1.0
  O  O21  1  0.188  0.175  0.691  1.0
  O  O22  1  0.812  0.175  0.691  1.0
  O  O23  1  0.500  0.488  0.846  1.0
  O  O24  1  0.000  0.641  0.889  1.0
  O  O25  1  0.500  0.052  0.924  1.0
[/CIF]
.