The material described by Li2Mn(PO4)2 crystallizes in the monoclinic C2/c space group. Li(1) is bonded to one O(1), one O(2), and two equivalent O(4) atoms to form distorted LiO4 trigonal pyramids that share corners with four equivalent P(1)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(1)O4 trigonal pyramid. Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form MnO6 octahedra that share corners with six equivalent P(1)O4 tetrahedra and edges with two equivalent Li(1)O4 trigonal pyramids. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra and corners with four equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 42-46°. There are four 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(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to two equivalent Li(1) and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Mn(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.184
_cell_length_b   6.183
_cell_length_c   9.475
_cell_angle_alpha   66.220
_cell_angle_beta   113.782
_cell_angle_gamma   98.847
_symmetry_Int_Tables_number   1
_cell_volume   303.344
_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  0.324  0.613  0.491  1.0
  Li  Li1  1  0.613  0.324  0.009  1.0
  Li  Li2  1  0.387  0.676  0.991  1.0
  Li  Li3  1  0.676  0.387  0.509  1.0
  Mn  Mn4  1  0.904  0.904  0.750  1.0
  Mn  Mn5  1  0.096  0.096  0.250  1.0
  P  P6  1  0.022  0.363  0.857  1.0
  P  P7  1  0.637  0.978  0.357  1.0
  P  P8  1  0.363  0.022  0.643  1.0
  P  P9  1  0.978  0.637  0.143  1.0
  O  O10  1  0.229  0.927  0.764  1.0
  O  O11  1  0.229  0.937  0.493  1.0
  O  O12  1  0.073  0.771  0.265  1.0
  O  O13  1  0.596  0.870  0.754  1.0
  O  O14  1  0.063  0.771  0.993  1.0
  O  O15  1  0.284  0.407  0.910  1.0
  O  O16  1  0.130  0.404  0.254  1.0
  O  O17  1  0.593  0.716  0.410  1.0
  O  O18  1  0.407  0.284  0.590  1.0
  O  O19  1  0.870  0.596  0.746  1.0
  O  O20  1  0.716  0.593  0.090  1.0
  O  O21  1  0.937  0.229  0.007  1.0
  O  O22  1  0.404  0.130  0.246  1.0
  O  O23  1  0.927  0.229  0.736  1.0
  O  O24  1  0.771  0.063  0.507  1.0
  O  O25  1  0.771  0.073  0.235  1.0
[/CIF]
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The material described by Li2Mn(PO4)2 crystallizes in the monoclinic C2/c space group. Li(1) is bonded to one O(1), one O(2), and two equivalent O(4) atoms to form distorted LiO4 trigonal pyramids that share corners with four equivalent P(1)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(1)O4 trigonal pyramid. Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form MnO6 octahedra that share corners with six equivalent P(1)O4 tetrahedra and edges with two equivalent Li(1)O4 trigonal pyramids. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra and corners with four equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 42-46°. There are four 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(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to two equivalent Li(1) and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2Mn(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.184
_cell_length_b   6.183
_cell_length_c   9.475
_cell_angle_alpha   66.220
_cell_angle_beta   113.782
_cell_angle_gamma   98.847
_symmetry_Int_Tables_number   1
_cell_volume   303.344
_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  0.324  0.613  0.491  1.0
  Li  Li1  1  0.613  0.324  0.009  1.0
  Li  Li2  1  0.387  0.676  0.991  1.0
  Li  Li3  1  0.676  0.387  0.509  1.0
  Mn  Mn4  1  0.904  0.904  0.750  1.0
  Mn  Mn5  1  0.096  0.096  0.250  1.0
  P  P6  1  0.022  0.363  0.857  1.0
  P  P7  1  0.637  0.978  0.357  1.0
  P  P8  1  0.363  0.022  0.643  1.0
  P  P9  1  0.978  0.637  0.143  1.0
  O  O10  1  0.229  0.927  0.764  1.0
  O  O11  1  0.229  0.937  0.493  1.0
  O  O12  1  0.073  0.771  0.265  1.0
  O  O13  1  0.596  0.870  0.754  1.0
  O  O14  1  0.063  0.771  0.993  1.0
  O  O15  1  0.284  0.407  0.910  1.0
  O  O16  1  0.130  0.404  0.254  1.0
  O  O17  1  0.593  0.716  0.410  1.0
  O  O18  1  0.407  0.284  0.590  1.0
  O  O19  1  0.870  0.596  0.746  1.0
  O  O20  1  0.716  0.593  0.090  1.0
  O  O21  1  0.937  0.229  0.007  1.0
  O  O22  1  0.404  0.130  0.246  1.0
  O  O23  1  0.927  0.229  0.736  1.0
  O  O24  1  0.771  0.063  0.507  1.0
  O  O25  1  0.771  0.073  0.235  1.0
[/CIF]
.