The crystal structure described by Sr2YMn2GaO7 crystallizes in the orthorhombic Ima2 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(4), and three equivalent O(3) atoms. Y(1) is bonded in a body-centered cubic geometry to four equivalent O(1) and four equivalent O(4) atoms. Mn(1) is bonded to one O(3), two equivalent O(1), and two equivalent O(4) atoms to form MnO5 trigonal bipyramids that share  a cornercorner with one Ga(1)O4 tetrahedra and corners with four equivalent Mn(1)O5 trigonal bipyramids. Ga(1) is bonded to two equivalent O(2) and two equivalent O(3) atoms to form GaO4 tetrahedra that share corners with two equivalent Ga(1)O4 tetrahedra and corners with two equivalent Mn(1)O5 trigonal bipyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Sr(1), two equivalent Y(1), and two equivalent Mn(1) atoms to form distorted OSr2Y2Mn2 octahedra that share corners with four equivalent O(1)Sr2Y2Mn2 octahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, and faces with two equivalent O(1)Sr2Y2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 2-71°. In the second O site, O(2) is bonded to two equivalent Sr(1) and two equivalent Ga(1) atoms to form distorted OSr2Ga2 tetrahedra that share corners with four equivalent O(1)Sr2Y2Mn2 octahedra and corners with two equivalent O(2)Sr2Ga2 tetrahedra. The corner-sharing octahedral tilt angles range from 16-50°. In the third O site, O(3) is bonded in a 4-coordinate geometry to three equivalent Sr(1), 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(1), two equivalent Y(1), and two equivalent Mn(1) atoms. is represented by the CIF file [CIF]
data_Sr2YMn2GaO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.943
_cell_length_b   11.943
_cell_length_c   11.943
_cell_angle_alpha   152.431
_cell_angle_beta   151.760
_cell_angle_gamma   39.877
_symmetry_Int_Tables_number   1
_cell_volume   372.323
_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  0.376  0.836  0.514  1.0
  Sr  Sr1  1  0.624  0.138  0.461  1.0
  Sr  Sr2  1  0.822  0.336  0.461  1.0
  Sr  Sr3  1  0.178  0.638  0.514  1.0
  Y  Y4  1  0.000  0.499  0.499  1.0
  Y  Y5  1  0.500  0.999  0.499  1.0
  Mn  Mn6  1  0.584  0.577  0.998  1.0
  Mn  Mn7  1  0.922  0.915  0.998  1.0
  Mn  Mn8  1  0.078  0.077  0.993  1.0
  Mn  Mn9  1  0.416  0.415  0.993  1.0
  Ga  Ga10  1  0.827  0.708  0.035  1.0
  Ga  Ga11  1  0.173  0.208  0.882  1.0
  O  O12  1  0.694  0.679  0.497  1.0
  O  O13  1  0.884  0.372  0.756  1.0
  O  O14  1  0.682  0.179  0.985  1.0
  O  O15  1  0.234  0.202  0.082  1.0
  O  O16  1  0.813  0.815  0.496  1.0
  O  O17  1  0.819  0.315  0.002  1.0
  O  O18  1  0.116  0.872  0.488  1.0
  O  O19  1  0.318  0.303  0.497  1.0
  O  O20  1  0.306  0.803  0.985  1.0
  O  O21  1  0.620  0.702  0.968  1.0
  O  O22  1  0.766  0.848  0.968  1.0
  O  O23  1  0.380  0.348  0.082  1.0
  O  O24  1  0.187  0.683  0.002  1.0
  O  O25  1  0.181  0.183  0.496  1.0
[/CIF]
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The crystal structure described by Sr2YMn2GaO7 crystallizes in the orthorhombic Ima2 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(4), and three equivalent O(3) atoms. Y(1) is bonded in a body-centered cubic geometry to four equivalent O(1) and four equivalent O(4) atoms. Mn(1) is bonded to one O(3), two equivalent O(1), and two equivalent O(4) atoms to form MnO5 trigonal bipyramids that share  a cornercorner with one Ga(1)O4 tetrahedra and corners with four equivalent Mn(1)O5 trigonal bipyramids. Ga(1) is bonded to two equivalent O(2) and two equivalent O(3) atoms to form GaO4 tetrahedra that share corners with two equivalent Ga(1)O4 tetrahedra and corners with two equivalent Mn(1)O5 trigonal bipyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Sr(1), two equivalent Y(1), and two equivalent Mn(1) atoms to form distorted OSr2Y2Mn2 octahedra that share corners with four equivalent O(1)Sr2Y2Mn2 octahedra, corners with two equivalent O(2)Sr2Ga2 tetrahedra, and faces with two equivalent O(1)Sr2Y2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 2-71°. In the second O site, O(2) is bonded to two equivalent Sr(1) and two equivalent Ga(1) atoms to form distorted OSr2Ga2 tetrahedra that share corners with four equivalent O(1)Sr2Y2Mn2 octahedra and corners with two equivalent O(2)Sr2Ga2 tetrahedra. The corner-sharing octahedral tilt angles range from 16-50°. In the third O site, O(3) is bonded in a 4-coordinate geometry to three equivalent Sr(1), 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(1), two equivalent Y(1), and two equivalent Mn(1) atoms. is represented by the CIF file [CIF]
data_Sr2YMn2GaO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.943
_cell_length_b   11.943
_cell_length_c   11.943
_cell_angle_alpha   152.431
_cell_angle_beta   151.760
_cell_angle_gamma   39.877
_symmetry_Int_Tables_number   1
_cell_volume   372.323
_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  0.376  0.836  0.514  1.0
  Sr  Sr1  1  0.624  0.138  0.461  1.0
  Sr  Sr2  1  0.822  0.336  0.461  1.0
  Sr  Sr3  1  0.178  0.638  0.514  1.0
  Y  Y4  1  0.000  0.499  0.499  1.0
  Y  Y5  1  0.500  0.999  0.499  1.0
  Mn  Mn6  1  0.584  0.577  0.998  1.0
  Mn  Mn7  1  0.922  0.915  0.998  1.0
  Mn  Mn8  1  0.078  0.077  0.993  1.0
  Mn  Mn9  1  0.416  0.415  0.993  1.0
  Ga  Ga10  1  0.827  0.708  0.035  1.0
  Ga  Ga11  1  0.173  0.208  0.882  1.0
  O  O12  1  0.694  0.679  0.497  1.0
  O  O13  1  0.884  0.372  0.756  1.0
  O  O14  1  0.682  0.179  0.985  1.0
  O  O15  1  0.234  0.202  0.082  1.0
  O  O16  1  0.813  0.815  0.496  1.0
  O  O17  1  0.819  0.315  0.002  1.0
  O  O18  1  0.116  0.872  0.488  1.0
  O  O19  1  0.318  0.303  0.497  1.0
  O  O20  1  0.306  0.803  0.985  1.0
  O  O21  1  0.620  0.702  0.968  1.0
  O  O22  1  0.766  0.848  0.968  1.0
  O  O23  1  0.380  0.348  0.082  1.0
  O  O24  1  0.187  0.683  0.002  1.0
  O  O25  1  0.181  0.183  0.496  1.0
[/CIF]
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