The structure described by LiSr4Mn2(GaO5)2 crystallizes in the monoclinic C2/m space group. Li(1) is bonded in a distorted linear geometry to two equivalent O(4) atoms. Sr(1) is bonded in a 7-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. 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 four equivalent Mn(1)O6 octahedra and corners with two equivalent Ga(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 2-6°. Ga(1) is bonded to two equivalent O(3) and two equivalent O(4) atoms to form distorted GaO4 trigonal pyramids that share corners with two equivalent Mn(1)O6 octahedra and  an edgeedge with one Ga(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 35°. There are four inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sr(1) and two equivalent Mn(1) atoms to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(1)Sr4Mn2 octahedra, corners with four equivalent O(4)Sr2LiGa2 trigonal bipyramids, edges with two equivalent O(1)Sr4Mn2 octahedra, and faces with four equivalent O(2)Sr4Mn2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to four equivalent Sr(1) and two equivalent Mn(1) atoms to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(2)Sr4Mn2 octahedra, corners with four equivalent O(4)Sr2LiGa2 trigonal bipyramids, edges with two equivalent O(2)Sr4Mn2 octahedra, and faces with four equivalent O(1)Sr4Mn2 octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Sr(1), one Mn(1), and one Ga(1) atom. In the fourth O site, O(4) is bonded to one Li(1), two equivalent Sr(1), and two equivalent Ga(1) atoms to form distorted OSr2LiGa2 trigonal bipyramids that share corners with four equivalent O(1)Sr4Mn2 octahedra, corners with four equivalent O(2)Sr4Mn2 octahedra,  a cornercorner with one O(4)Sr2LiGa2 trigonal bipyramid, and  an edgeedge with one O(4)Sr2LiGa2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 28-72°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr4LiMn2(GaO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.661
_cell_length_b   5.747
_cell_length_c   9.118
_cell_angle_alpha   71.791
_cell_angle_beta   72.074
_cell_angle_gamma   90.481
_symmetry_Int_Tables_number   1
_cell_volume   266.265
_cell_formula_units_Z   1
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
  Sr  Sr0  1  0.086  0.621  0.792  1.0
  Sr  Sr1  1  0.914  0.379  0.208  1.0
  Sr  Sr2  1  0.622  0.086  0.792  1.0
  Sr  Sr3  1  0.378  0.914  0.208  1.0
  Li  Li4  1  0.500  0.000  0.500  1.0
  Mn  Mn5  1  0.500  0.500  0.000  1.0
  Mn  Mn6  1  0.000  0.000  0.000  1.0
  Ga  Ga7  1  0.704  0.644  0.500  1.0
  Ga  Ga8  1  0.296  0.356  0.500  1.0
  O  O9  1  0.257  0.256  0.987  1.0
  O  O10  1  0.248  0.748  0.003  1.0
  O  O11  1  0.752  0.252  0.997  1.0
  O  O12  1  0.743  0.744  0.013  1.0
  O  O13  1  0.669  0.691  0.695  1.0
  O  O14  1  0.331  0.309  0.305  1.0
  O  O15  1  0.136  0.114  0.695  1.0
  O  O16  1  0.864  0.886  0.305  1.0
  O  O17  1  0.341  0.683  0.500  1.0
  O  O18  1  0.659  0.317  0.500  1.0
[/CIF]
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The structure described by LiSr4Mn2(GaO5)2 crystallizes in the monoclinic C2/m space group. Li(1) is bonded in a distorted linear geometry to two equivalent O(4) atoms. Sr(1) is bonded in a 7-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. 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 four equivalent Mn(1)O6 octahedra and corners with two equivalent Ga(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 2-6°. Ga(1) is bonded to two equivalent O(3) and two equivalent O(4) atoms to form distorted GaO4 trigonal pyramids that share corners with two equivalent Mn(1)O6 octahedra and  an edgeedge with one Ga(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 35°. There are four inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sr(1) and two equivalent Mn(1) atoms to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(1)Sr4Mn2 octahedra, corners with four equivalent O(4)Sr2LiGa2 trigonal bipyramids, edges with two equivalent O(1)Sr4Mn2 octahedra, and faces with four equivalent O(2)Sr4Mn2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to four equivalent Sr(1) and two equivalent Mn(1) atoms to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(2)Sr4Mn2 octahedra, corners with four equivalent O(4)Sr2LiGa2 trigonal bipyramids, edges with two equivalent O(2)Sr4Mn2 octahedra, and faces with four equivalent O(1)Sr4Mn2 octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Sr(1), one Mn(1), and one Ga(1) atom. In the fourth O site, O(4) is bonded to one Li(1), two equivalent Sr(1), and two equivalent Ga(1) atoms to form distorted OSr2LiGa2 trigonal bipyramids that share corners with four equivalent O(1)Sr4Mn2 octahedra, corners with four equivalent O(2)Sr4Mn2 octahedra,  a cornercorner with one O(4)Sr2LiGa2 trigonal bipyramid, and  an edgeedge with one O(4)Sr2LiGa2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 28-72°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr4LiMn2(GaO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.661
_cell_length_b   5.747
_cell_length_c   9.118
_cell_angle_alpha   71.791
_cell_angle_beta   72.074
_cell_angle_gamma   90.481
_symmetry_Int_Tables_number   1
_cell_volume   266.265
_cell_formula_units_Z   1
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
  Sr  Sr0  1  0.086  0.621  0.792  1.0
  Sr  Sr1  1  0.914  0.379  0.208  1.0
  Sr  Sr2  1  0.622  0.086  0.792  1.0
  Sr  Sr3  1  0.378  0.914  0.208  1.0
  Li  Li4  1  0.500  0.000  0.500  1.0
  Mn  Mn5  1  0.500  0.500  0.000  1.0
  Mn  Mn6  1  0.000  0.000  0.000  1.0
  Ga  Ga7  1  0.704  0.644  0.500  1.0
  Ga  Ga8  1  0.296  0.356  0.500  1.0
  O  O9  1  0.257  0.256  0.987  1.0
  O  O10  1  0.248  0.748  0.003  1.0
  O  O11  1  0.752  0.252  0.997  1.0
  O  O12  1  0.743  0.744  0.013  1.0
  O  O13  1  0.669  0.691  0.695  1.0
  O  O14  1  0.331  0.309  0.305  1.0
  O  O15  1  0.136  0.114  0.695  1.0
  O  O16  1  0.864  0.886  0.305  1.0
  O  O17  1  0.341  0.683  0.500  1.0
  O  O18  1  0.659  0.317  0.500  1.0
[/CIF]
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