The material structure described by LiMn2(PO5)2 crystallizes in the monoclinic P2_1 space group. Li(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(9) atom to form distorted LiO6 pentagonal pyramids that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 25-47°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share  a cornercorner with one Li(1)O6 pentagonal pyramid, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Li(1)O6 pentagonal pyramid. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Li(1)O6 pentagonal pyramid, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, and edges with two equivalent Li(1)O6 pentagonal pyramids. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(4), 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  a cornercorner with one Li(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 16-51°. In the second P site, P(2) is bonded to one O(1), one O(3), 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,  a cornercorner with one Li(1)O6 pentagonal pyramid, and  an edgeedge with one Li(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 22-53°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Li(1), one Mn(1), and one P(2) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Li(1), one Mn(1), and one Mn(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Mn(1), and one Mn(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Mn(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a linear geometry to one Mn(2) and one P(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Li(1), one Mn(2), and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(2), and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiMn2(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.303
_cell_length_b   4.948
_cell_length_c   7.002
_cell_angle_alpha   72.185
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   339.885
_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  0.401  0.622  0.416  1.0
  Li  Li1  1  0.901  0.378  0.584  1.0
  Mn  Mn2  1  0.932  0.619  0.935  1.0
  Mn  Mn3  1  0.432  0.381  0.065  1.0
  Mn  Mn4  1  0.572  0.122  0.432  1.0
  Mn  Mn5  1  0.072  0.878  0.568  1.0
  P  P6  1  0.347  0.027  0.780  1.0
  P  P7  1  0.151  0.526  0.277  1.0
  P  P8  1  0.847  0.973  0.220  1.0
  P  P9  1  0.651  0.474  0.723  1.0
  O  O10  1  0.784  0.575  0.772  1.0
  O  O11  1  0.955  0.980  0.744  1.0
  O  O12  1  0.576  0.312  0.915  1.0
  O  O13  1  0.426  0.773  0.910  1.0
  O  O14  1  0.317  0.239  0.896  1.0
  O  O15  1  0.076  0.688  0.085  1.0
  O  O16  1  0.817  0.761  0.104  1.0
  O  O17  1  0.284  0.425  0.228  1.0
  O  O18  1  0.926  0.227  0.090  1.0
  O  O19  1  0.542  0.481  0.250  1.0
  O  O20  1  0.455  0.020  0.256  1.0
  O  O21  1  0.068  0.282  0.411  1.0
  O  O22  1  0.722  0.080  0.286  1.0
  O  O23  1  0.187  0.735  0.397  1.0
  O  O24  1  0.927  0.806  0.410  1.0
  O  O25  1  0.687  0.265  0.603  1.0
  O  O26  1  0.568  0.718  0.589  1.0
  O  O27  1  0.427  0.194  0.590  1.0
  O  O28  1  0.042  0.519  0.750  1.0
  O  O29  1  0.222  0.920  0.714  1.0
[/CIF]
.
The material structure described by LiMn2(PO5)2 crystallizes in the monoclinic P2_1 space group. Li(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(9) atom to form distorted LiO6 pentagonal pyramids that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 25-47°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share  a cornercorner with one Li(1)O6 pentagonal pyramid, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Li(1)O6 pentagonal pyramid. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Li(1)O6 pentagonal pyramid, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, and edges with two equivalent Li(1)O6 pentagonal pyramids. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(4), 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  a cornercorner with one Li(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 16-51°. In the second P site, P(2) is bonded to one O(1), one O(3), 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,  a cornercorner with one Li(1)O6 pentagonal pyramid, and  an edgeedge with one Li(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 22-53°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Li(1), one Mn(1), and one P(2) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Li(1), one Mn(1), and one Mn(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Mn(1), and one Mn(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Mn(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a linear geometry to one Mn(2) and one P(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Li(1), one Mn(2), and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(2), and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiMn2(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.303
_cell_length_b   4.948
_cell_length_c   7.002
_cell_angle_alpha   72.185
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   339.885
_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  0.401  0.622  0.416  1.0
  Li  Li1  1  0.901  0.378  0.584  1.0
  Mn  Mn2  1  0.932  0.619  0.935  1.0
  Mn  Mn3  1  0.432  0.381  0.065  1.0
  Mn  Mn4  1  0.572  0.122  0.432  1.0
  Mn  Mn5  1  0.072  0.878  0.568  1.0
  P  P6  1  0.347  0.027  0.780  1.0
  P  P7  1  0.151  0.526  0.277  1.0
  P  P8  1  0.847  0.973  0.220  1.0
  P  P9  1  0.651  0.474  0.723  1.0
  O  O10  1  0.784  0.575  0.772  1.0
  O  O11  1  0.955  0.980  0.744  1.0
  O  O12  1  0.576  0.312  0.915  1.0
  O  O13  1  0.426  0.773  0.910  1.0
  O  O14  1  0.317  0.239  0.896  1.0
  O  O15  1  0.076  0.688  0.085  1.0
  O  O16  1  0.817  0.761  0.104  1.0
  O  O17  1  0.284  0.425  0.228  1.0
  O  O18  1  0.926  0.227  0.090  1.0
  O  O19  1  0.542  0.481  0.250  1.0
  O  O20  1  0.455  0.020  0.256  1.0
  O  O21  1  0.068  0.282  0.411  1.0
  O  O22  1  0.722  0.080  0.286  1.0
  O  O23  1  0.187  0.735  0.397  1.0
  O  O24  1  0.927  0.806  0.410  1.0
  O  O25  1  0.687  0.265  0.603  1.0
  O  O26  1  0.568  0.718  0.589  1.0
  O  O27  1  0.427  0.194  0.590  1.0
  O  O28  1  0.042  0.519  0.750  1.0
  O  O29  1  0.222  0.920  0.714  1.0
[/CIF]
.