The material structure described by Li4Mn(SiO3)3 crystallizes in the monoclinic C2 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a rectangular see-saw-like geometry to one O(3), one O(5), one O(6), and one O(8) atom. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(5), one O(6), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Li(5)O5 trigonal bipyramids, and edges with two equivalent Si(3)O4 tetrahedra. In the third Li site, Li(3) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form distorted LiO4 trigonal pyramids that share corners with two equivalent Si(1)O4 tetrahedra and corners with four equivalent Si(2)O4 tetrahedra. In the fourth Li site, Li(4) is bonded in a single-bond geometry to one O(9) atom. In the fifth Li site, Li(5) is bonded to one O(10), two equivalent O(5), and two equivalent O(8) atoms to form LiO5 trigonal bipyramids that share corners with four equivalent Li(2)O5 square pyramids, corners with two equivalent Si(1)O4 tetrahedra, and corners with four equivalent Si(3)O4 tetrahedra. In the sixth Li site, Li(6) is bonded in a distorted rectangular see-saw-like geometry to two equivalent O(1) and two equivalent O(3) atoms. Mn(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(6), and one O(8) atom. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form SiO4 tetrahedra that share corners with two equivalent Li(2)O5 square pyramids,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Li(5)O5 trigonal bipyramid, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the second Si site, Si(2) is bonded to one O(2), one O(4), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Li(3)O4 trigonal pyramids. In the third Si site, Si(3) is bonded to one O(10), one O(3), one O(5), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Li(5)O5 trigonal bipyramids, and edges with two equivalent Li(2)O5 square pyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(2), one Li(6), one Mn(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(3), one Si(1), and one Si(2) atom. In the third O site, O(3) is bonded to one Li(1), one Li(6), one Mn(1), and one Si(3) atom to form distorted corner-sharing OLi2MnSi tetrahedra. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(3), one Mn(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Li(5), and one Si(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Mn(1), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(2), one Si(1), and one Si(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(5), one Mn(1), and one Si(1) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(4) and two equivalent Si(2) atoms. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(5), two equivalent Li(2), and two equivalent Si(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4Mn(SiO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.354
_cell_length_b   6.354
_cell_length_c   10.127
_cell_angle_alpha   89.039
_cell_angle_beta   89.039
_cell_angle_gamma   107.464
_symmetry_Int_Tables_number   1
_cell_volume   389.814
_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  0.810  0.619  0.206  1.0
  Li  Li1  1  0.463  0.812  0.792  1.0
  Li  Li2  1  0.995  0.005  0.500  1.0
  Li  Li3  1  0.543  0.457  0.500  1.0
  Li  Li4  1  0.629  0.371  0.000  1.0
  Li  Li5  1  0.997  0.003  0.000  1.0
  Li  Li6  1  0.188  0.537  0.208  1.0
  Li  Li7  1  0.381  0.190  0.794  1.0
  Mn  Mn8  1  0.826  0.171  0.256  1.0
  Mn  Mn9  1  0.829  0.174  0.744  1.0
  Si  Si10  1  0.882  0.659  0.748  1.0
  Si  Si11  1  0.476  0.928  0.499  1.0
  Si  Si12  1  0.509  0.869  0.054  1.0
  Si  Si13  1  0.131  0.491  0.946  1.0
  Si  Si14  1  0.072  0.524  0.501  1.0
  Si  Si15  1  0.341  0.118  0.252  1.0
  O  O16  1  0.797  0.858  0.797  1.0
  O  O17  1  0.950  0.687  0.586  1.0
  O  O18  1  0.745  0.881  0.116  1.0
  O  O19  1  0.709  0.965  0.422  1.0
  O  O20  1  0.950  0.494  0.059  1.0
  O  O21  1  0.979  0.516  0.353  1.0
  O  O22  1  0.336  0.881  0.179  1.0
  O  O23  1  0.689  0.428  0.776  1.0
  O  O24  1  0.349  0.651  0.500  1.0
  O  O25  1  0.390  0.610  0.000  1.0
  O  O26  1  0.572  0.311  0.224  1.0
  O  O27  1  0.119  0.664  0.821  1.0
  O  O28  1  0.484  0.021  0.647  1.0
  O  O29  1  0.506  0.050  0.941  1.0
  O  O30  1  0.035  0.291  0.578  1.0
  O  O31  1  0.119  0.255  0.884  1.0
  O  O32  1  0.313  0.050  0.414  1.0
  O  O33  1  0.142  0.203  0.203  1.0
[/CIF]
.
The material structure described by Li4Mn(SiO3)3 crystallizes in the monoclinic C2 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a rectangular see-saw-like geometry to one O(3), one O(5), one O(6), and one O(8) atom. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(5), one O(6), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Li(5)O5 trigonal bipyramids, and edges with two equivalent Si(3)O4 tetrahedra. In the third Li site, Li(3) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form distorted LiO4 trigonal pyramids that share corners with two equivalent Si(1)O4 tetrahedra and corners with four equivalent Si(2)O4 tetrahedra. In the fourth Li site, Li(4) is bonded in a single-bond geometry to one O(9) atom. In the fifth Li site, Li(5) is bonded to one O(10), two equivalent O(5), and two equivalent O(8) atoms to form LiO5 trigonal bipyramids that share corners with four equivalent Li(2)O5 square pyramids, corners with two equivalent Si(1)O4 tetrahedra, and corners with four equivalent Si(3)O4 tetrahedra. In the sixth Li site, Li(6) is bonded in a distorted rectangular see-saw-like geometry to two equivalent O(1) and two equivalent O(3) atoms. Mn(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(6), and one O(8) atom. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form SiO4 tetrahedra that share corners with two equivalent Li(2)O5 square pyramids,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Li(5)O5 trigonal bipyramid, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the second Si site, Si(2) is bonded to one O(2), one O(4), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Li(3)O4 trigonal pyramids. In the third Si site, Si(3) is bonded to one O(10), one O(3), one O(5), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Li(5)O5 trigonal bipyramids, and edges with two equivalent Li(2)O5 square pyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(2), one Li(6), one Mn(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(3), one Si(1), and one Si(2) atom. In the third O site, O(3) is bonded to one Li(1), one Li(6), one Mn(1), and one Si(3) atom to form distorted corner-sharing OLi2MnSi tetrahedra. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(3), one Mn(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Li(5), and one Si(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Mn(1), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(2), one Si(1), and one Si(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(5), one Mn(1), and one Si(1) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(4) and two equivalent Si(2) atoms. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(5), two equivalent Li(2), and two equivalent Si(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4Mn(SiO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.354
_cell_length_b   6.354
_cell_length_c   10.127
_cell_angle_alpha   89.039
_cell_angle_beta   89.039
_cell_angle_gamma   107.464
_symmetry_Int_Tables_number   1
_cell_volume   389.814
_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  0.810  0.619  0.206  1.0
  Li  Li1  1  0.463  0.812  0.792  1.0
  Li  Li2  1  0.995  0.005  0.500  1.0
  Li  Li3  1  0.543  0.457  0.500  1.0
  Li  Li4  1  0.629  0.371  0.000  1.0
  Li  Li5  1  0.997  0.003  0.000  1.0
  Li  Li6  1  0.188  0.537  0.208  1.0
  Li  Li7  1  0.381  0.190  0.794  1.0
  Mn  Mn8  1  0.826  0.171  0.256  1.0
  Mn  Mn9  1  0.829  0.174  0.744  1.0
  Si  Si10  1  0.882  0.659  0.748  1.0
  Si  Si11  1  0.476  0.928  0.499  1.0
  Si  Si12  1  0.509  0.869  0.054  1.0
  Si  Si13  1  0.131  0.491  0.946  1.0
  Si  Si14  1  0.072  0.524  0.501  1.0
  Si  Si15  1  0.341  0.118  0.252  1.0
  O  O16  1  0.797  0.858  0.797  1.0
  O  O17  1  0.950  0.687  0.586  1.0
  O  O18  1  0.745  0.881  0.116  1.0
  O  O19  1  0.709  0.965  0.422  1.0
  O  O20  1  0.950  0.494  0.059  1.0
  O  O21  1  0.979  0.516  0.353  1.0
  O  O22  1  0.336  0.881  0.179  1.0
  O  O23  1  0.689  0.428  0.776  1.0
  O  O24  1  0.349  0.651  0.500  1.0
  O  O25  1  0.390  0.610  0.000  1.0
  O  O26  1  0.572  0.311  0.224  1.0
  O  O27  1  0.119  0.664  0.821  1.0
  O  O28  1  0.484  0.021  0.647  1.0
  O  O29  1  0.506  0.050  0.941  1.0
  O  O30  1  0.035  0.291  0.578  1.0
  O  O31  1  0.119  0.255  0.884  1.0
  O  O32  1  0.313  0.050  0.414  1.0
  O  O33  1  0.142  0.203  0.203  1.0
[/CIF]
.