The structure described by LiMnPO4 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(3), one O(4), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with three equivalent P(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(2), one O(5), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent Mn(1)O4 tetrahedra, and corners with three equivalent P(1)O4 tetrahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(4), one O(6), and one O(7) atom to form MnO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with three equivalent Li(2)O4 tetrahedra. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(5), and one O(8) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra, and corners with three equivalent Li(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra, and corners with three equivalent Li(1)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Mn(2), and one P(2) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(2), one Mn(1), and one P(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(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 Mn(1), one Mn(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(2), one Mn(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Li(2), one Mn(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(2), one Mn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Li(1), one Mn(2), and one P(1) atom. is represented by the CIF file [CIF]
data_LiMnPO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.334
_cell_length_b   8.241
_cell_length_c   8.606
_cell_angle_alpha   105.998
_cell_angle_beta   90.000
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   363.601
_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  0.339  0.870  0.212  1.0
  Li  Li1  1  0.661  0.870  0.713  1.0
  Li  Li2  1  0.824  0.362  0.381  1.0
  Li  Li3  1  0.176  0.362  0.881  1.0
  Mn  Mn4  1  0.324  0.489  0.268  1.0
  Mn  Mn5  1  0.676  0.489  0.768  1.0
  Mn  Mn6  1  0.840  0.962  0.070  1.0
  Mn  Mn7  1  0.160  0.962  0.570  1.0
  P  P8  1  0.675  0.251  0.006  1.0
  P  P9  1  0.325  0.251  0.506  1.0
  P  P10  1  0.820  0.740  0.336  1.0
  P  P11  1  0.180  0.740  0.836  1.0
  O  O12  1  0.200  0.873  0.005  1.0
  O  O13  1  0.799  0.873  0.505  1.0
  O  O14  1  0.403  0.319  0.043  1.0
  O  O15  1  0.597  0.319  0.543  1.0
  O  O16  1  0.697  0.810  0.204  1.0
  O  O17  1  0.303  0.810  0.704  1.0
  O  O18  1  0.108  0.711  0.301  1.0
  O  O19  1  0.892  0.711  0.801  1.0
  O  O20  1  0.801  0.228  0.162  1.0
  O  O21  1  0.199  0.228  0.662  1.0
  O  O22  1  0.687  0.576  0.342  1.0
  O  O23  1  0.313  0.576  0.842  1.0
  O  O24  1  0.176  0.378  0.436  1.0
  O  O25  1  0.824  0.378  0.936  1.0
  O  O26  1  0.315  0.070  0.387  1.0
  O  O27  1  0.685  0.070  0.887  1.0
[/CIF]
.
The structure described by LiMnPO4 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(3), one O(4), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with three equivalent P(2)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(2), one O(5), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent Mn(1)O4 tetrahedra, and corners with three equivalent P(1)O4 tetrahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(4), one O(6), and one O(7) atom to form MnO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with three equivalent Li(2)O4 tetrahedra. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(5), and one O(8) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra, and corners with three equivalent Li(2)O4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Mn(1)O4 tetrahedra, and corners with three equivalent Li(1)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Mn(2), and one P(2) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(2), one Mn(1), and one P(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(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 Mn(1), one Mn(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(2), one Mn(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Li(2), one Mn(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(2), one Mn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Li(1), one Mn(2), and one P(1) atom. is represented by the CIF file [CIF]
data_LiMnPO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.334
_cell_length_b   8.241
_cell_length_c   8.606
_cell_angle_alpha   105.998
_cell_angle_beta   90.000
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   363.601
_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  0.339  0.870  0.212  1.0
  Li  Li1  1  0.661  0.870  0.713  1.0
  Li  Li2  1  0.824  0.362  0.381  1.0
  Li  Li3  1  0.176  0.362  0.881  1.0
  Mn  Mn4  1  0.324  0.489  0.268  1.0
  Mn  Mn5  1  0.676  0.489  0.768  1.0
  Mn  Mn6  1  0.840  0.962  0.070  1.0
  Mn  Mn7  1  0.160  0.962  0.570  1.0
  P  P8  1  0.675  0.251  0.006  1.0
  P  P9  1  0.325  0.251  0.506  1.0
  P  P10  1  0.820  0.740  0.336  1.0
  P  P11  1  0.180  0.740  0.836  1.0
  O  O12  1  0.200  0.873  0.005  1.0
  O  O13  1  0.799  0.873  0.505  1.0
  O  O14  1  0.403  0.319  0.043  1.0
  O  O15  1  0.597  0.319  0.543  1.0
  O  O16  1  0.697  0.810  0.204  1.0
  O  O17  1  0.303  0.810  0.704  1.0
  O  O18  1  0.108  0.711  0.301  1.0
  O  O19  1  0.892  0.711  0.801  1.0
  O  O20  1  0.801  0.228  0.162  1.0
  O  O21  1  0.199  0.228  0.662  1.0
  O  O22  1  0.687  0.576  0.342  1.0
  O  O23  1  0.313  0.576  0.842  1.0
  O  O24  1  0.176  0.378  0.436  1.0
  O  O25  1  0.824  0.378  0.936  1.0
  O  O26  1  0.315  0.070  0.387  1.0
  O  O27  1  0.685  0.070  0.887  1.0
[/CIF]
.