The material structure described by Ca3Mn2(GaO5)2 crystallizes in the triclinic P1 space group. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 7-coordinate geometry to one O(10), one O(2), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. In the second Ca site, Ca(2) is bonded in a 8-coordinate geometry to one O(10), one O(2), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. In the third Ca site, Ca(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(2)O6 octahedra,  a cornercorner with one Ga(1)O4 tetrahedra, and  a cornercorner with one Ga(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-23°. In the second Mn site, Mn(2) is bonded to one O(10), one O(3), one O(4), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra,  a cornercorner with one Ga(1)O4 tetrahedra, and  a cornercorner with one Ga(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-23°. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(1), one O(2), one O(3), and one O(6) atom to form GaO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Ga(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-46°. In the second Ga site, Ga(2) is bonded to one O(1), one O(2), one O(4), and one O(5) atom to form GaO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Ga(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 42-46°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to one Ca(3), one Ga(1), and one Ga(2) atom. In the second O site, O(2) is bonded to one Ca(1), one Ca(2), one Ga(1), and one Ga(2) atom to form distorted corner-sharing OCa2Ga2 tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ca(1), one Ca(3), one Mn(2), and one Ga(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Ca(2), one Mn(2), and one Ga(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ca(1), one Ca(3), one Mn(1), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Ca(2), one Mn(1), and one Ga(1) atom. In the seventh O site, O(7) is bonded to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom to form OCa3Mn2 square pyramids that share corners with two equivalent O(2)Ca2Ga2 tetrahedra,  an edgeedge with one O(10)Ca3Mn2 square pyramid, and  a faceface with one O(10)Ca3Mn2 square pyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom. In the tenth O site, O(10) is bonded to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom to form distorted OCa3Mn2 square pyramids that share corners with two equivalent O(2)Ca2Ga2 tetrahedra,  an edgeedge with one O(7)Ca3Mn2 square pyramid, and  a faceface with one O(7)Ca3Mn2 square pyramid. is represented by the CIF file [CIF]
data_Ca3Mn2(GaO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.415
_cell_length_b   5.684
_cell_length_c   7.887
_cell_angle_alpha   109.520
_cell_angle_beta   109.056
_cell_angle_gamma   90.479
_symmetry_Int_Tables_number   1
_cell_volume   214.387
_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
  Ca  Ca0  1  0.399  0.873  0.809  1.0
  Ca  Ca1  1  0.106  0.569  0.220  1.0
  Ca  Ca2  1  0.886  0.430  0.770  1.0
  Mn  Mn3  1  0.986  0.003  0.011  1.0
  Mn  Mn4  1  0.489  0.493  0.011  1.0
  Ga  Ga5  1  0.293  0.166  0.495  1.0
  Ga  Ga6  1  0.781  0.842  0.491  1.0
  O  O7  1  0.632  0.130  0.499  1.0
  O  O8  1  0.137  0.873  0.505  1.0
  O  O9  1  0.316  0.431  0.719  1.0
  O  O10  1  0.587  0.569  0.276  1.0
  O  O11  1  0.811  0.803  0.724  1.0
  O  O12  1  0.092  0.203  0.271  1.0
  O  O13  1  0.232  0.754  0.022  1.0
  O  O14  1  0.199  0.229  0.955  1.0
  O  O15  1  0.716  0.240  0.956  1.0
  O  O16  1  0.755  0.736  0.027  1.0
[/CIF]
.
The material structure described by Ca3Mn2(GaO5)2 crystallizes in the triclinic P1 space group. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 7-coordinate geometry to one O(10), one O(2), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. In the second Ca site, Ca(2) is bonded in a 8-coordinate geometry to one O(10), one O(2), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. In the third Ca site, Ca(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(2)O6 octahedra,  a cornercorner with one Ga(1)O4 tetrahedra, and  a cornercorner with one Ga(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-23°. In the second Mn site, Mn(2) is bonded to one O(10), one O(3), one O(4), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra,  a cornercorner with one Ga(1)O4 tetrahedra, and  a cornercorner with one Ga(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-23°. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one O(1), one O(2), one O(3), and one O(6) atom to form GaO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Ga(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-46°. In the second Ga site, Ga(2) is bonded to one O(1), one O(2), one O(4), and one O(5) atom to form GaO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and corners with two equivalent Ga(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 42-46°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to one Ca(3), one Ga(1), and one Ga(2) atom. In the second O site, O(2) is bonded to one Ca(1), one Ca(2), one Ga(1), and one Ga(2) atom to form distorted corner-sharing OCa2Ga2 tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ca(1), one Ca(3), one Mn(2), and one Ga(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Ca(2), one Mn(2), and one Ga(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ca(1), one Ca(3), one Mn(1), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Ca(2), one Mn(1), and one Ga(1) atom. In the seventh O site, O(7) is bonded to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom to form OCa3Mn2 square pyramids that share corners with two equivalent O(2)Ca2Ga2 tetrahedra,  an edgeedge with one O(10)Ca3Mn2 square pyramid, and  a faceface with one O(10)Ca3Mn2 square pyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom. In the tenth O site, O(10) is bonded to one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom to form distorted OCa3Mn2 square pyramids that share corners with two equivalent O(2)Ca2Ga2 tetrahedra,  an edgeedge with one O(7)Ca3Mn2 square pyramid, and  a faceface with one O(7)Ca3Mn2 square pyramid. is represented by the CIF file [CIF]
data_Ca3Mn2(GaO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.415
_cell_length_b   5.684
_cell_length_c   7.887
_cell_angle_alpha   109.520
_cell_angle_beta   109.056
_cell_angle_gamma   90.479
_symmetry_Int_Tables_number   1
_cell_volume   214.387
_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
  Ca  Ca0  1  0.399  0.873  0.809  1.0
  Ca  Ca1  1  0.106  0.569  0.220  1.0
  Ca  Ca2  1  0.886  0.430  0.770  1.0
  Mn  Mn3  1  0.986  0.003  0.011  1.0
  Mn  Mn4  1  0.489  0.493  0.011  1.0
  Ga  Ga5  1  0.293  0.166  0.495  1.0
  Ga  Ga6  1  0.781  0.842  0.491  1.0
  O  O7  1  0.632  0.130  0.499  1.0
  O  O8  1  0.137  0.873  0.505  1.0
  O  O9  1  0.316  0.431  0.719  1.0
  O  O10  1  0.587  0.569  0.276  1.0
  O  O11  1  0.811  0.803  0.724  1.0
  O  O12  1  0.092  0.203  0.271  1.0
  O  O13  1  0.232  0.754  0.022  1.0
  O  O14  1  0.199  0.229  0.955  1.0
  O  O15  1  0.716  0.240  0.956  1.0
  O  O16  1  0.755  0.736  0.027  1.0
[/CIF]
.