The structure described by LiCoP2O7 crystallizes in the monoclinic Pc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(14), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra and corners with three equivalent P(1)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(12), one O(13), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra and corners with three equivalent P(2)O4 tetrahedra. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a square co-planar geometry to one O(10), one O(2), one O(4), and one O(8) atom. In the second Co site, Co(2) is bonded in a square co-planar geometry to one O(1), one O(3), one O(7), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(11), one O(5), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra and corners with three equivalent Li(1)O4 tetrahedra. In the second P site, P(2) is bonded to one O(12), one O(2), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra and corners with three equivalent Li(2)O4 tetrahedra. In the third P site, P(3) is bonded to one O(13), one O(3), one O(5), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra and  a cornercorner with one P(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(10), one O(14), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra and  a cornercorner with one P(2)O4 tetrahedra. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(1), and one P(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(2) and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(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 Co(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Co(2) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Co(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Li(1) and one P(1) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Li(2) and one P(2) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Li(2) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Li(1) and one P(4) atom. is represented by the CIF card [CIF]
data_LiCoP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.053
_cell_length_b   8.779
_cell_length_c   14.588
_cell_angle_alpha   102.657
_cell_angle_beta   89.994
_cell_angle_gamma   90.010
_symmetry_Int_Tables_number   1
_cell_volume   631.355
_cell_formula_units_Z   4
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  0.932  0.410  0.449  1.0
  Li  Li1  1  0.420  0.907  0.949  1.0
  Li  Li2  1  0.568  0.910  0.449  1.0
  Li  Li3  1  0.080  0.407  0.949  1.0
  Co  Co4  1  0.232  0.253  0.745  1.0
  Co  Co5  1  0.268  0.753  0.745  1.0
  Co  Co6  1  0.732  0.754  0.249  1.0
  Co  Co7  1  0.769  0.254  0.249  1.0
  P  P8  1  0.096  0.038  0.347  1.0
  P  P9  1  0.606  0.538  0.849  1.0
  P  P10  1  0.404  0.538  0.347  1.0
  P  P11  1  0.894  0.038  0.849  1.0
  P  P12  1  0.412  0.454  0.150  1.0
  P  P13  1  0.886  0.955  0.649  1.0
  P  P14  1  0.088  0.954  0.150  1.0
  P  P15  1  0.614  0.455  0.649  1.0
  O  O16  1  0.536  0.700  0.347  1.0
  O  O17  1  0.030  0.197  0.847  1.0
  O  O18  1  0.964  0.200  0.347  1.0
  O  O19  1  0.470  0.697  0.847  1.0
  O  O20  1  0.575  0.305  0.154  1.0
  O  O21  1  0.058  0.810  0.654  1.0
  O  O22  1  0.925  0.805  0.154  1.0
  O  O23  1  0.442  0.310  0.654  1.0
  O  O24  1  0.259  0.990  0.249  1.0
  O  O25  1  0.772  0.491  0.750  1.0
  O  O26  1  0.241  0.490  0.249  1.0
  O  O27  1  0.728  0.991  0.750  1.0
  O  O28  1  0.867  0.915  0.342  1.0
  O  O29  1  0.383  0.412  0.842  1.0
  O  O30  1  0.633  0.415  0.342  1.0
  O  O31  1  0.117  0.912  0.842  1.0
  O  O32  1  0.599  0.597  0.157  1.0
  O  O33  1  0.071  0.099  0.657  1.0
  O  O34  1  0.901  0.096  0.157  1.0
  O  O35  1  0.429  0.599  0.657  1.0
  O  O36  1  0.282  0.044  0.426  1.0
  O  O37  1  0.799  0.542  0.926  1.0
  O  O38  1  0.218  0.544  0.426  1.0
  O  O39  1  0.701  0.042  0.926  1.0
  O  O40  1  0.273  0.929  0.070  1.0
  O  O41  1  0.807  0.431  0.571  1.0
  O  O42  1  0.227  0.429  0.070  1.0
  O  O43  1  0.693  0.931  0.571  1.0
[/CIF]
.
The structure described by LiCoP2O7 crystallizes in the monoclinic Pc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(14), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra and corners with three equivalent P(1)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(12), one O(13), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra and corners with three equivalent P(2)O4 tetrahedra. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a square co-planar geometry to one O(10), one O(2), one O(4), and one O(8) atom. In the second Co site, Co(2) is bonded in a square co-planar geometry to one O(1), one O(3), one O(7), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(11), one O(5), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra and corners with three equivalent Li(1)O4 tetrahedra. In the second P site, P(2) is bonded to one O(12), one O(2), one O(6), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one P(4)O4 tetrahedra and corners with three equivalent Li(2)O4 tetrahedra. In the third P site, P(3) is bonded to one O(13), one O(3), one O(5), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra and  a cornercorner with one P(1)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(10), one O(14), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra and  a cornercorner with one P(2)O4 tetrahedra. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(1), and one P(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(2) and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(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 Co(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Co(2) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Co(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Li(1) and one P(1) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Li(2) and one P(2) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Li(2) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Li(1) and one P(4) atom. is represented by the CIF card [CIF]
data_LiCoP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.053
_cell_length_b   8.779
_cell_length_c   14.588
_cell_angle_alpha   102.657
_cell_angle_beta   89.994
_cell_angle_gamma   90.010
_symmetry_Int_Tables_number   1
_cell_volume   631.355
_cell_formula_units_Z   4
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  0.932  0.410  0.449  1.0
  Li  Li1  1  0.420  0.907  0.949  1.0
  Li  Li2  1  0.568  0.910  0.449  1.0
  Li  Li3  1  0.080  0.407  0.949  1.0
  Co  Co4  1  0.232  0.253  0.745  1.0
  Co  Co5  1  0.268  0.753  0.745  1.0
  Co  Co6  1  0.732  0.754  0.249  1.0
  Co  Co7  1  0.769  0.254  0.249  1.0
  P  P8  1  0.096  0.038  0.347  1.0
  P  P9  1  0.606  0.538  0.849  1.0
  P  P10  1  0.404  0.538  0.347  1.0
  P  P11  1  0.894  0.038  0.849  1.0
  P  P12  1  0.412  0.454  0.150  1.0
  P  P13  1  0.886  0.955  0.649  1.0
  P  P14  1  0.088  0.954  0.150  1.0
  P  P15  1  0.614  0.455  0.649  1.0
  O  O16  1  0.536  0.700  0.347  1.0
  O  O17  1  0.030  0.197  0.847  1.0
  O  O18  1  0.964  0.200  0.347  1.0
  O  O19  1  0.470  0.697  0.847  1.0
  O  O20  1  0.575  0.305  0.154  1.0
  O  O21  1  0.058  0.810  0.654  1.0
  O  O22  1  0.925  0.805  0.154  1.0
  O  O23  1  0.442  0.310  0.654  1.0
  O  O24  1  0.259  0.990  0.249  1.0
  O  O25  1  0.772  0.491  0.750  1.0
  O  O26  1  0.241  0.490  0.249  1.0
  O  O27  1  0.728  0.991  0.750  1.0
  O  O28  1  0.867  0.915  0.342  1.0
  O  O29  1  0.383  0.412  0.842  1.0
  O  O30  1  0.633  0.415  0.342  1.0
  O  O31  1  0.117  0.912  0.842  1.0
  O  O32  1  0.599  0.597  0.157  1.0
  O  O33  1  0.071  0.099  0.657  1.0
  O  O34  1  0.901  0.096  0.157  1.0
  O  O35  1  0.429  0.599  0.657  1.0
  O  O36  1  0.282  0.044  0.426  1.0
  O  O37  1  0.799  0.542  0.926  1.0
  O  O38  1  0.218  0.544  0.426  1.0
  O  O39  1  0.701  0.042  0.926  1.0
  O  O40  1  0.273  0.929  0.070  1.0
  O  O41  1  0.807  0.431  0.571  1.0
  O  O42  1  0.227  0.429  0.070  1.0
  O  O43  1  0.693  0.931  0.571  1.0
[/CIF]
.