The crystal structure described by Sr4CaMn2Ga2O11 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(6), one O(9), two equivalent O(1), and two equivalent O(2) atoms. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(5), one O(9), two equivalent O(1), and two equivalent O(2) atoms. In the third Sr site, Sr(3) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(5), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(4) atoms. In the fourth Sr site, Sr(4) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(5), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(4) atoms. Ca(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form distorted CaO6 octahedra that share  a cornercorner with one Ga(1)O5 square pyramid,  a cornercorner with one Ga(2)O5 trigonal bipyramid, edges with two equivalent Mn(1)O5 trigonal bipyramids, and edges with two equivalent Mn(2)O5 trigonal bipyramids. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Ga(1)O5 square pyramid, corners with four equivalent Mn(2)O5 trigonal bipyramids, and edges with two equivalent Ca(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Ga(2)O5 trigonal bipyramid, corners with four equivalent Mn(1)O5 trigonal bipyramids, and edges with two equivalent Ca(1)O6 octahedra. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(10), one O(11), one O(2), one O(3), and one O(9) atom to form GaO5 square pyramids that share  a cornercorner with one Ca(1)O6 octahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid, and corners with three equivalent Ga(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 32°. In the second Ga site, Ga(2) is bonded to one O(1), one O(10), one O(11), one O(4), and one O(9) atom to form GaO5 trigonal bipyramids that share  a cornercorner with one Ca(1)O6 octahedra, corners with three equivalent Ga(1)O5 square pyramids, and  a cornercorner with one Mn(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 23°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Ca(1), and one Ga(2) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Ca(1), and one Ga(1) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Mn(1), and one Ga(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Mn(2), and one Ga(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Ca(1), one Mn(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded to one Sr(1), one Ca(1), one Mn(1), and one Mn(2) atom to form distorted OSrCaMn2 trigonal pyramids that share  a cornercorner with one O(10)Sr4Ga2 octahedra,  a cornercorner with one O(11)Sr4Ga2 octahedra,  a cornercorner with one O(9)Sr4Ga2 octahedra,  a cornercorner with one O(7)Sr2CaMn2 square pyramid,  a cornercorner with one O(8)Sr2CaMn2 square pyramid,  an edgeedge with one O(7)Sr2CaMn2 square pyramid, and  an edgeedge with one O(8)Sr2CaMn2 square pyramid. The corner-sharing octahedral tilt angles range from 45-52°. In the seventh O site, O(7) is bonded to one Sr(3), one Sr(4), one Ca(1), one Mn(1), and one Mn(2) atom to form OSr2CaMn2 square pyramids that share corners with two equivalent O(10)Sr4Ga2 octahedra, corners with two equivalent O(9)Sr4Ga2 octahedra, corners with three equivalent O(8)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid,  an edgeedge with one O(11)Sr4Ga2 octahedra,  an edgeedge with one O(8)Sr2CaMn2 square pyramid, and  an edgeedge with one O(6)SrCaMn2 trigonal pyramid. The corner-sharing octahedral tilt angles range from 4-60°. In the eighth O site, O(8) is bonded to one Sr(3), one Sr(4), one Ca(1), one Mn(1), and one Mn(2) atom to form OSr2CaMn2 square pyramids that share corners with two equivalent O(11)Sr4Ga2 octahedra, corners with two equivalent O(9)Sr4Ga2 octahedra, corners with three equivalent O(7)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid,  an edgeedge with one O(10)Sr4Ga2 octahedra,  an edgeedge with one O(7)Sr2CaMn2 square pyramid, and  an edgeedge with one O(6)SrCaMn2 trigonal pyramid. The corner-sharing octahedral tilt angles range from 5-61°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr4Ga2 octahedra that share corners with two equivalent O(7)Sr2CaMn2 square pyramids, corners with two equivalent O(8)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid, faces with two equivalent O(10)Sr4Ga2 octahedra, and faces with two equivalent O(11)Sr4Ga2 octahedra. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr4Ga2 octahedra that share corners with two equivalent O(11)Sr4Ga2 octahedra, corners with two equivalent O(7)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid, edges with two equivalent O(11)Sr4Ga2 octahedra,  an edgeedge with one O(8)Sr2CaMn2 square pyramid, and faces with two equivalent O(9)Sr4Ga2 octahedra. The corner-sharing octahedral tilt angles are 4°. In the eleventh O site, O(11) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr4Ga2 octahedra that share corners with two equivalent O(10)Sr4Ga2 octahedra, corners with two equivalent O(8)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid, edges with two equivalent O(10)Sr4Ga2 octahedra,  an edgeedge with one O(7)Sr2CaMn2 square pyramid, and faces with two equivalent O(9)Sr4Ga2 octahedra. The corner-sharing octahedral tilt angles are 4°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr4CaMn2Ga2O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.545
_cell_length_b   5.549
_cell_length_c   9.382
_cell_angle_alpha   79.689
_cell_angle_beta   80.439
_cell_angle_gamma   85.420
_symmetry_Int_Tables_number   1
_cell_volume   279.679
_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  0.972  0.489  0.826  1.0
  Sr  Sr1  1  0.533  0.054  0.821  1.0
  Sr  Sr2  1  0.418  0.909  0.219  1.0
  Sr  Sr3  1  0.895  0.382  0.243  1.0
  Ca  Ca4  1  0.329  0.802  0.601  1.0
  Mn  Mn5  1  0.346  0.347  0.443  1.0
  Mn  Mn6  1  0.865  0.828  0.442  1.0
  Ga  Ga7  1  0.459  0.459  0.014  1.0
  Ga  Ga8  1  0.959  0.959  0.015  1.0
  O  O9  1  0.078  0.950  0.811  1.0
  O  O10  1  0.478  0.550  0.801  1.0
  O  O11  1  0.360  0.445  0.221  1.0
  O  O12  1  0.961  0.844  0.216  1.0
  O  O13  1  0.604  0.089  0.483  1.0
  O  O14  1  0.076  0.556  0.531  1.0
  O  O15  1  0.124  0.069  0.435  1.0
  O  O16  1  0.588  0.611  0.433  1.0
  O  O17  1  0.709  0.208  0.018  1.0
  O  O18  1  0.693  0.719  0.009  1.0
  O  O19  1  0.206  0.218  0.012  1.0
[/CIF]
.
The crystal structure described by Sr4CaMn2Ga2O11 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(6), one O(9), two equivalent O(1), and two equivalent O(2) atoms. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(5), one O(9), two equivalent O(1), and two equivalent O(2) atoms. In the third Sr site, Sr(3) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(5), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(4) atoms. In the fourth Sr site, Sr(4) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(5), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(4) atoms. Ca(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form distorted CaO6 octahedra that share  a cornercorner with one Ga(1)O5 square pyramid,  a cornercorner with one Ga(2)O5 trigonal bipyramid, edges with two equivalent Mn(1)O5 trigonal bipyramids, and edges with two equivalent Mn(2)O5 trigonal bipyramids. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Ga(1)O5 square pyramid, corners with four equivalent Mn(2)O5 trigonal bipyramids, and edges with two equivalent Ca(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Ga(2)O5 trigonal bipyramid, corners with four equivalent Mn(1)O5 trigonal bipyramids, and edges with two equivalent Ca(1)O6 octahedra. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(10), one O(11), one O(2), one O(3), and one O(9) atom to form GaO5 square pyramids that share  a cornercorner with one Ca(1)O6 octahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid, and corners with three equivalent Ga(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 32°. In the second Ga site, Ga(2) is bonded to one O(1), one O(10), one O(11), one O(4), and one O(9) atom to form GaO5 trigonal bipyramids that share  a cornercorner with one Ca(1)O6 octahedra, corners with three equivalent Ga(1)O5 square pyramids, and  a cornercorner with one Mn(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 23°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Ca(1), and one Ga(2) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Ca(1), and one Ga(1) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Mn(1), and one Ga(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Mn(2), and one Ga(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Ca(1), one Mn(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded to one Sr(1), one Ca(1), one Mn(1), and one Mn(2) atom to form distorted OSrCaMn2 trigonal pyramids that share  a cornercorner with one O(10)Sr4Ga2 octahedra,  a cornercorner with one O(11)Sr4Ga2 octahedra,  a cornercorner with one O(9)Sr4Ga2 octahedra,  a cornercorner with one O(7)Sr2CaMn2 square pyramid,  a cornercorner with one O(8)Sr2CaMn2 square pyramid,  an edgeedge with one O(7)Sr2CaMn2 square pyramid, and  an edgeedge with one O(8)Sr2CaMn2 square pyramid. The corner-sharing octahedral tilt angles range from 45-52°. In the seventh O site, O(7) is bonded to one Sr(3), one Sr(4), one Ca(1), one Mn(1), and one Mn(2) atom to form OSr2CaMn2 square pyramids that share corners with two equivalent O(10)Sr4Ga2 octahedra, corners with two equivalent O(9)Sr4Ga2 octahedra, corners with three equivalent O(8)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid,  an edgeedge with one O(11)Sr4Ga2 octahedra,  an edgeedge with one O(8)Sr2CaMn2 square pyramid, and  an edgeedge with one O(6)SrCaMn2 trigonal pyramid. The corner-sharing octahedral tilt angles range from 4-60°. In the eighth O site, O(8) is bonded to one Sr(3), one Sr(4), one Ca(1), one Mn(1), and one Mn(2) atom to form OSr2CaMn2 square pyramids that share corners with two equivalent O(11)Sr4Ga2 octahedra, corners with two equivalent O(9)Sr4Ga2 octahedra, corners with three equivalent O(7)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid,  an edgeedge with one O(10)Sr4Ga2 octahedra,  an edgeedge with one O(7)Sr2CaMn2 square pyramid, and  an edgeedge with one O(6)SrCaMn2 trigonal pyramid. The corner-sharing octahedral tilt angles range from 5-61°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr4Ga2 octahedra that share corners with two equivalent O(7)Sr2CaMn2 square pyramids, corners with two equivalent O(8)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid, faces with two equivalent O(10)Sr4Ga2 octahedra, and faces with two equivalent O(11)Sr4Ga2 octahedra. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr4Ga2 octahedra that share corners with two equivalent O(11)Sr4Ga2 octahedra, corners with two equivalent O(7)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid, edges with two equivalent O(11)Sr4Ga2 octahedra,  an edgeedge with one O(8)Sr2CaMn2 square pyramid, and faces with two equivalent O(9)Sr4Ga2 octahedra. The corner-sharing octahedral tilt angles are 4°. In the eleventh O site, O(11) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr4Ga2 octahedra that share corners with two equivalent O(10)Sr4Ga2 octahedra, corners with two equivalent O(8)Sr2CaMn2 square pyramids,  a cornercorner with one O(6)SrCaMn2 trigonal pyramid, edges with two equivalent O(10)Sr4Ga2 octahedra,  an edgeedge with one O(7)Sr2CaMn2 square pyramid, and faces with two equivalent O(9)Sr4Ga2 octahedra. The corner-sharing octahedral tilt angles are 4°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr4CaMn2Ga2O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.545
_cell_length_b   5.549
_cell_length_c   9.382
_cell_angle_alpha   79.689
_cell_angle_beta   80.439
_cell_angle_gamma   85.420
_symmetry_Int_Tables_number   1
_cell_volume   279.679
_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  0.972  0.489  0.826  1.0
  Sr  Sr1  1  0.533  0.054  0.821  1.0
  Sr  Sr2  1  0.418  0.909  0.219  1.0
  Sr  Sr3  1  0.895  0.382  0.243  1.0
  Ca  Ca4  1  0.329  0.802  0.601  1.0
  Mn  Mn5  1  0.346  0.347  0.443  1.0
  Mn  Mn6  1  0.865  0.828  0.442  1.0
  Ga  Ga7  1  0.459  0.459  0.014  1.0
  Ga  Ga8  1  0.959  0.959  0.015  1.0
  O  O9  1  0.078  0.950  0.811  1.0
  O  O10  1  0.478  0.550  0.801  1.0
  O  O11  1  0.360  0.445  0.221  1.0
  O  O12  1  0.961  0.844  0.216  1.0
  O  O13  1  0.604  0.089  0.483  1.0
  O  O14  1  0.076  0.556  0.531  1.0
  O  O15  1  0.124  0.069  0.435  1.0
  O  O16  1  0.588  0.611  0.433  1.0
  O  O17  1  0.709  0.208  0.018  1.0
  O  O18  1  0.693  0.719  0.009  1.0
  O  O19  1  0.206  0.218  0.012  1.0
[/CIF]
.