The compound described by Li3Cr2P2(CO7)2 crystallizes in the triclinic P1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(3), one O(5), one O(6), and one O(7) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 65-76°. In the second Li site, Li(2) is bonded to one O(10), one O(12), one O(14), one O(8), and one O(9) atom to form LiO5 trigonal bipyramids that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-73°. In the third Li site, Li(3) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(14), and one O(2) atom. There are two inequivalent Cr sites. In the first Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Li(1)O5 trigonal bipyramid,  a cornercorner with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(1)O5 trigonal bipyramid. In the second Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Li(1)O5 trigonal bipyramid,  a cornercorner with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O5 trigonal bipyramid. 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 Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(2)O5 trigonal bipyramid, and corners with two equivalent Li(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 35-47°. 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 Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 trigonal bipyramid, and corners with two equivalent Li(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 35-50°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Li(1) and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(3), one Cr(1), and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one Cr(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(1), one Cr(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(1), one Cr(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(2), one Cr(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Li(2), one Cr(2), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(3), one Cr(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(3), one Cr(2), and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Li(2), one Cr(2), and one C(2) atom. In the thirteenth O site, O(13) is bonded in an L-shaped geometry to one Cr(2) and one C(2) atom. In the fourteenth O site, O(14) is bonded in a trigonal non-coplanar geometry to one Li(2), one Li(3), and one C(1) atom. is represented by the CIF file [CIF]
data_Li3Cr2P2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.091
_cell_length_b   6.382
_cell_length_c   8.302
_cell_angle_alpha   90.174
_cell_angle_beta   95.170
_cell_angle_gamma   90.322
_symmetry_Int_Tables_number   1
_cell_volume   268.648
_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  0.249  0.544  0.724  1.0
  Li  Li1  1  0.745  0.030  0.273  1.0
  Li  Li2  1  0.232  0.255  0.093  1.0
  Cr  Cr3  1  0.797  0.245  0.677  1.0
  Cr  Cr4  1  0.202  0.742  0.324  1.0
  P  P5  1  0.728  0.748  0.584  1.0
  P  P6  1  0.277  0.248  0.421  1.0
  C  C7  1  0.696  0.249  0.957  1.0
  C  C8  1  0.298  0.749  0.045  1.0
  O  O9  1  0.359  0.723  0.906  1.0
  O  O10  1  0.941  0.247  0.919  1.0
  O  O11  1  0.522  0.272  0.831  1.0
  O  O12  1  0.796  0.942  0.687  1.0
  O  O13  1  0.834  0.557  0.681  1.0
  O  O14  1  0.141  0.268  0.577  1.0
  O  O15  1  0.426  0.724  0.537  1.0
  O  O16  1  0.578  0.225  0.461  1.0
  O  O17  1  0.867  0.768  0.423  1.0
  O  O18  1  0.171  0.063  0.311  1.0
  O  O19  1  0.215  0.438  0.305  1.0
  O  O20  1  0.477  0.778  0.173  1.0
  O  O21  1  0.058  0.745  0.092  1.0
  O  O22  1  0.627  0.227  0.098  1.0
[/CIF]
.
The compound described by Li3Cr2P2(CO7)2 crystallizes in the triclinic P1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(3), one O(5), one O(6), and one O(7) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 65-76°. In the second Li site, Li(2) is bonded to one O(10), one O(12), one O(14), one O(8), and one O(9) atom to form LiO5 trigonal bipyramids that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 64-73°. In the third Li site, Li(3) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(14), and one O(2) atom. There are two inequivalent Cr sites. In the first Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Li(1)O5 trigonal bipyramid,  a cornercorner with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(1)O5 trigonal bipyramid. In the second Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Li(1)O5 trigonal bipyramid,  a cornercorner with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O5 trigonal bipyramid. 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 Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(2)O5 trigonal bipyramid, and corners with two equivalent Li(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 35-47°. 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 Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 trigonal bipyramid, and corners with two equivalent Li(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 35-50°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Li(1) and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(3), one Cr(1), and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one Cr(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(1), one Cr(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(1), one Cr(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Li(2), one Cr(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Li(2), one Cr(2), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(3), one Cr(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(3), one Cr(2), and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Li(2), one Cr(2), and one C(2) atom. In the thirteenth O site, O(13) is bonded in an L-shaped geometry to one Cr(2) and one C(2) atom. In the fourteenth O site, O(14) is bonded in a trigonal non-coplanar geometry to one Li(2), one Li(3), and one C(1) atom. is represented by the CIF file [CIF]
data_Li3Cr2P2(CO7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.091
_cell_length_b   6.382
_cell_length_c   8.302
_cell_angle_alpha   90.174
_cell_angle_beta   95.170
_cell_angle_gamma   90.322
_symmetry_Int_Tables_number   1
_cell_volume   268.648
_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  0.249  0.544  0.724  1.0
  Li  Li1  1  0.745  0.030  0.273  1.0
  Li  Li2  1  0.232  0.255  0.093  1.0
  Cr  Cr3  1  0.797  0.245  0.677  1.0
  Cr  Cr4  1  0.202  0.742  0.324  1.0
  P  P5  1  0.728  0.748  0.584  1.0
  P  P6  1  0.277  0.248  0.421  1.0
  C  C7  1  0.696  0.249  0.957  1.0
  C  C8  1  0.298  0.749  0.045  1.0
  O  O9  1  0.359  0.723  0.906  1.0
  O  O10  1  0.941  0.247  0.919  1.0
  O  O11  1  0.522  0.272  0.831  1.0
  O  O12  1  0.796  0.942  0.687  1.0
  O  O13  1  0.834  0.557  0.681  1.0
  O  O14  1  0.141  0.268  0.577  1.0
  O  O15  1  0.426  0.724  0.537  1.0
  O  O16  1  0.578  0.225  0.461  1.0
  O  O17  1  0.867  0.768  0.423  1.0
  O  O18  1  0.171  0.063  0.311  1.0
  O  O19  1  0.215  0.438  0.305  1.0
  O  O20  1  0.477  0.778  0.173  1.0
  O  O21  1  0.058  0.745  0.092  1.0
  O  O22  1  0.627  0.227  0.098  1.0
[/CIF]
.