The compound described by Sr2MnGaO5 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(2), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(7), one O(8), one O(9), two equivalent O(4), and two equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(5), one O(7), one O(8), one O(9), and two equivalent O(3) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(10), one O(2), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(5) atoms. 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 6-8°. 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 6-8°. 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 29-34°. 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 29-34°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(2), one Sr(3), one Ga(1), and one Ga(2) atom to form distorted OSr2Ga2 tetrahedra that share corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(7)Sr4Mn2 octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, and corners with two equivalent O(2)Sr2Ga2 tetrahedra. The corner-sharing octahedral tilt angles range from 20-76°. In the second O site, O(2) is bonded to one Sr(1), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr2Ga2 tetrahedra that share corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(7)Sr4Mn2 octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, and corners with two equivalent O(1)Sr2Ga2 tetrahedra. The corner-sharing octahedral tilt angles range from 19-76°. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Mn(2), and one Ga(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Sr(1), two equivalent Sr(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 Sr(3), two equivalent Sr(4), one Mn(1), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Sr(2), one Mn(1), and one Ga(1) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(9)Sr4Mn2 octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(10)Sr4Mn2 octahedra, faces with two equivalent O(7)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(7)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(7)Sr4Mn2 octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(8)Sr4Mn2 octahedra, faces with two equivalent O(7)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2MnGaO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.471
_cell_length_b   5.643
_cell_length_c   8.968
_cell_angle_alpha   108.543
_cell_angle_beta   107.762
_cell_angle_gamma   89.793
_symmetry_Int_Tables_number   1
_cell_volume   248.624
_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
  Sr  Sr0  1  0.110  0.596  0.222  1.0
  Sr  Sr1  1  0.611  0.130  0.223  1.0
  Sr  Sr2  1  0.887  0.404  0.778  1.0
  Sr  Sr3  1  0.388  0.870  0.777  1.0
  Mn  Mn4  1  0.995  1.000  1.000  1.0
  Mn  Mn5  1  0.495  0.500  1.000  1.0
  Ga  Ga6  1  0.286  0.182  0.504  1.0
  Ga  Ga7  1  0.783  0.818  0.496  1.0
  O  O8  1  0.628  0.121  0.499  1.0
  O  O9  1  0.129  0.879  0.501  1.0
  O  O10  1  0.337  0.402  0.719  1.0
  O  O11  1  0.619  0.598  0.281  1.0
  O  O12  1  0.822  0.795  0.703  1.0
  O  O13  1  0.120  0.205  0.297  1.0
  O  O14  1  0.255  0.756  0.013  1.0
  O  O15  1  0.237  0.238  0.984  1.0
  O  O16  1  0.738  0.248  0.987  1.0
  O  O17  1  0.756  0.757  0.016  1.0
[/CIF]
.
The compound described by Sr2MnGaO5 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(2), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(7), one O(8), one O(9), two equivalent O(4), and two equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(5), one O(7), one O(8), one O(9), and two equivalent O(3) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(10), one O(2), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(5) atoms. 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 6-8°. 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 6-8°. 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 29-34°. 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 29-34°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(2), one Sr(3), one Ga(1), and one Ga(2) atom to form distorted OSr2Ga2 tetrahedra that share corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(7)Sr4Mn2 octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, and corners with two equivalent O(2)Sr2Ga2 tetrahedra. The corner-sharing octahedral tilt angles range from 20-76°. In the second O site, O(2) is bonded to one Sr(1), one Sr(4), one Ga(1), and one Ga(2) atom to form distorted OSr2Ga2 tetrahedra that share corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(7)Sr4Mn2 octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, and corners with two equivalent O(1)Sr2Ga2 tetrahedra. The corner-sharing octahedral tilt angles range from 19-76°. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Mn(2), and one Ga(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Sr(1), two equivalent Sr(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 Sr(3), two equivalent Sr(4), one Mn(1), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Sr(2), one Mn(1), and one Ga(1) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(9)Sr4Mn2 octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(10)Sr4Mn2 octahedra, faces with two equivalent O(7)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(7)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(7)Sr4Mn2 octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr2Ga2 tetrahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, edges with two equivalent O(8)Sr4Mn2 octahedra, faces with two equivalent O(7)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2MnGaO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.471
_cell_length_b   5.643
_cell_length_c   8.968
_cell_angle_alpha   108.543
_cell_angle_beta   107.762
_cell_angle_gamma   89.793
_symmetry_Int_Tables_number   1
_cell_volume   248.624
_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
  Sr  Sr0  1  0.110  0.596  0.222  1.0
  Sr  Sr1  1  0.611  0.130  0.223  1.0
  Sr  Sr2  1  0.887  0.404  0.778  1.0
  Sr  Sr3  1  0.388  0.870  0.777  1.0
  Mn  Mn4  1  0.995  1.000  1.000  1.0
  Mn  Mn5  1  0.495  0.500  1.000  1.0
  Ga  Ga6  1  0.286  0.182  0.504  1.0
  Ga  Ga7  1  0.783  0.818  0.496  1.0
  O  O8  1  0.628  0.121  0.499  1.0
  O  O9  1  0.129  0.879  0.501  1.0
  O  O10  1  0.337  0.402  0.719  1.0
  O  O11  1  0.619  0.598  0.281  1.0
  O  O12  1  0.822  0.795  0.703  1.0
  O  O13  1  0.120  0.205  0.297  1.0
  O  O14  1  0.255  0.756  0.013  1.0
  O  O15  1  0.237  0.238  0.984  1.0
  O  O16  1  0.738  0.248  0.987  1.0
  O  O17  1  0.756  0.757  0.016  1.0
[/CIF]
.