The compound described by Li2Mn2(PO4)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(11), one O(3), and one O(9) atom. In the second Li site, Li(2) is bonded to one O(10), one O(11), one O(12), one O(5), and one O(8) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-54°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(2), one O(5), one O(6), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent Li(2)O5 trigonal bipyramids. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra,  a cornercorner with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O5 trigonal bipyramid. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-45°. In the second P site, P(2) is bonded to one O(11), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  a cornercorner with one Li(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 30-47°. In the third P site, P(3) is bonded to one O(1), one O(10), one O(12), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 16-48°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(3) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Mn(2), and one P(1) atom. In the fourth O site, O(4) is bonded in a linear geometry to one Mn(2) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(2), one Mn(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Li(2), one Mn(2), and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Li(1), one Mn(1), and one P(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(2), one Mn(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a trigonal pyramidal geometry to one Li(1), one Li(2), one Mn(2), and one P(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(2), one Mn(1), and one P(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Mn2(PO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.366
_cell_length_b   8.395
_cell_length_c   9.031
_cell_angle_alpha   88.115
_cell_angle_beta   60.021
_cell_angle_gamma   118.196
_symmetry_Int_Tables_number   1
_cell_volume   453.190
_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
  Li  Li0  1  0.465  0.228  0.140  1.0
  Li  Li1  1  0.354  0.355  0.453  1.0
  Li  Li2  1  0.646  0.645  0.547  1.0
  Li  Li3  1  0.535  0.772  0.860  1.0
  Mn  Mn4  1  0.202  0.854  0.445  1.0
  Mn  Mn5  1  0.209  0.353  0.925  1.0
  Mn  Mn6  1  0.791  0.647  0.075  1.0
  Mn  Mn7  1  0.798  0.146  0.555  1.0
  P  P8  1  0.286  0.540  0.253  1.0
  P  P9  1  0.287  0.759  0.750  1.0
  P  P10  1  0.007  0.043  0.738  1.0
  P  P11  1  0.993  0.957  0.262  1.0
  P  P12  1  0.713  0.241  0.250  1.0
  P  P13  1  0.714  0.460  0.747  1.0
  O  O14  1  0.188  0.983  0.267  1.0
  O  O15  1  0.212  0.674  0.317  1.0
  O  O16  1  0.325  0.542  0.068  1.0
  O  O17  1  0.107  0.120  0.092  1.0
  O  O18  1  0.121  0.327  0.395  1.0
  O  O19  1  0.250  0.753  0.600  1.0
  O  O20  1  0.078  0.691  0.941  1.0
  O  O21  1  0.498  0.600  0.246  1.0
  O  O22  1  0.473  0.956  0.727  1.0
  O  O23  1  0.151  0.247  0.729  1.0
  O  O24  1  0.365  0.621  0.751  1.0
  O  O25  1  0.183  0.041  0.556  1.0
  O  O26  1  0.817  0.959  0.444  1.0
  O  O27  1  0.635  0.379  0.249  1.0
  O  O28  1  0.849  0.753  0.271  1.0
  O  O29  1  0.527  0.044  0.273  1.0
  O  O30  1  0.502  0.400  0.754  1.0
  O  O31  1  0.922  0.309  0.059  1.0
  O  O32  1  0.750  0.247  0.400  1.0
  O  O33  1  0.879  0.673  0.605  1.0
  O  O34  1  0.893  0.880  0.908  1.0
  O  O35  1  0.675  0.458  0.932  1.0
  O  O36  1  0.788  0.326  0.683  1.0
  O  O37  1  0.812  0.017  0.733  1.0
[/CIF]
.
The compound described by Li2Mn2(PO4)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(11), one O(3), and one O(9) atom. In the second Li site, Li(2) is bonded to one O(10), one O(11), one O(12), one O(5), and one O(8) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-54°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(2), one O(5), one O(6), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent Li(2)O5 trigonal bipyramids. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra,  a cornercorner with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O5 trigonal bipyramid. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-45°. In the second P site, P(2) is bonded to one O(11), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  a cornercorner with one Li(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 30-47°. In the third P site, P(3) is bonded to one O(1), one O(10), one O(12), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 16-48°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(3) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Mn(2), and one P(1) atom. In the fourth O site, O(4) is bonded in a linear geometry to one Mn(2) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(2), one Mn(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Li(2), one Mn(2), and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Li(1), one Mn(1), and one P(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(2), one Mn(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a trigonal pyramidal geometry to one Li(1), one Li(2), one Mn(2), and one P(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(2), one Mn(1), and one P(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Mn2(PO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.366
_cell_length_b   8.395
_cell_length_c   9.031
_cell_angle_alpha   88.115
_cell_angle_beta   60.021
_cell_angle_gamma   118.196
_symmetry_Int_Tables_number   1
_cell_volume   453.190
_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
  Li  Li0  1  0.465  0.228  0.140  1.0
  Li  Li1  1  0.354  0.355  0.453  1.0
  Li  Li2  1  0.646  0.645  0.547  1.0
  Li  Li3  1  0.535  0.772  0.860  1.0
  Mn  Mn4  1  0.202  0.854  0.445  1.0
  Mn  Mn5  1  0.209  0.353  0.925  1.0
  Mn  Mn6  1  0.791  0.647  0.075  1.0
  Mn  Mn7  1  0.798  0.146  0.555  1.0
  P  P8  1  0.286  0.540  0.253  1.0
  P  P9  1  0.287  0.759  0.750  1.0
  P  P10  1  0.007  0.043  0.738  1.0
  P  P11  1  0.993  0.957  0.262  1.0
  P  P12  1  0.713  0.241  0.250  1.0
  P  P13  1  0.714  0.460  0.747  1.0
  O  O14  1  0.188  0.983  0.267  1.0
  O  O15  1  0.212  0.674  0.317  1.0
  O  O16  1  0.325  0.542  0.068  1.0
  O  O17  1  0.107  0.120  0.092  1.0
  O  O18  1  0.121  0.327  0.395  1.0
  O  O19  1  0.250  0.753  0.600  1.0
  O  O20  1  0.078  0.691  0.941  1.0
  O  O21  1  0.498  0.600  0.246  1.0
  O  O22  1  0.473  0.956  0.727  1.0
  O  O23  1  0.151  0.247  0.729  1.0
  O  O24  1  0.365  0.621  0.751  1.0
  O  O25  1  0.183  0.041  0.556  1.0
  O  O26  1  0.817  0.959  0.444  1.0
  O  O27  1  0.635  0.379  0.249  1.0
  O  O28  1  0.849  0.753  0.271  1.0
  O  O29  1  0.527  0.044  0.273  1.0
  O  O30  1  0.502  0.400  0.754  1.0
  O  O31  1  0.922  0.309  0.059  1.0
  O  O32  1  0.750  0.247  0.400  1.0
  O  O33  1  0.879  0.673  0.605  1.0
  O  O34  1  0.893  0.880  0.908  1.0
  O  O35  1  0.675  0.458  0.932  1.0
  O  O36  1  0.788  0.326  0.683  1.0
  O  O37  1  0.812  0.017  0.733  1.0
[/CIF]
.