The compound described by Y3GaO6 crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. In the second Y site, Y(2) is bonded to one O(2), two equivalent O(3), and four equivalent O(1) atoms to form distorted YO7 pentagonal bipyramids that share  a cornercorner with one Ga(1)O4 tetrahedra, edges with two equivalent Y(2)O7 pentagonal bipyramids, and  an edgeedge with one Ga(1)O4 tetrahedra. Ga(1) is bonded to one O(2), one O(4), and two equivalent O(3) atoms to form GaO4 tetrahedra that share  a cornercorner with one Y(2)O7 pentagonal bipyramid and  an edgeedge with one Y(2)O7 pentagonal bipyramid. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Y(1) and two equivalent Y(2) atoms to form OY4 tetrahedra that share corners with two equivalent O(1)Y4 tetrahedra, corners with four equivalent O(2)Y3Ga tetrahedra, corners with two equivalent O(4)Y4Ga trigonal bipyramids, corners with six equivalent O(3)Y3Ga trigonal pyramids, edges with three equivalent O(1)Y4 tetrahedra,  an edgeedge with one O(4)Y4Ga trigonal bipyramid, and  an edgeedge with one O(3)Y3Ga trigonal pyramid. In the second O site, O(2) is bonded to one Y(2), two equivalent Y(1), and one Ga(1) atom to form distorted OY3Ga tetrahedra that share corners with eight equivalent O(1)Y4 tetrahedra,  a cornercorner with one O(4)Y4Ga trigonal bipyramid, corners with four equivalent O(3)Y3Ga trigonal pyramids, edges with two equivalent O(4)Y4Ga trigonal bipyramids, and edges with two equivalent O(3)Y3Ga trigonal pyramids. In the third O site, O(3) is bonded to one Y(2), two equivalent Y(1), and one Ga(1) atom to form distorted OY3Ga trigonal pyramids that share corners with two equivalent O(2)Y3Ga tetrahedra, corners with six equivalent O(1)Y4 tetrahedra, corners with three equivalent O(4)Y4Ga trigonal bipyramids, corners with two equivalent O(3)Y3Ga trigonal pyramids,  an edgeedge with one O(2)Y3Ga tetrahedra,  an edgeedge with one O(1)Y4 tetrahedra,  an edgeedge with one O(4)Y4Ga trigonal bipyramid, and  an edgeedge with one O(3)Y3Ga trigonal pyramid. In the fourth O site, O(4) is bonded to four equivalent Y(1) and one Ga(1) atom to form distorted OY4Ga trigonal bipyramids that share  a cornercorner with one O(2)Y3Ga tetrahedra, corners with four equivalent O(1)Y4 tetrahedra, corners with six equivalent O(3)Y3Ga trigonal pyramids, edges with two equivalent O(2)Y3Ga tetrahedra, edges with two equivalent O(1)Y4 tetrahedra, edges with two equivalent O(4)Y4Ga trigonal bipyramids, and edges with two equivalent O(3)Y3Ga trigonal pyramids. is represented by the CIF card [CIF]
data_Y3GaO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.093
_cell_length_b   7.093
_cell_length_c   5.408
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   102.861
_symmetry_Int_Tables_number   1
_cell_volume   265.215
_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
  Y  Y0  1  0.088  0.299  0.468  1.0
  Y  Y1  1  0.701  0.912  0.468  1.0
  Y  Y2  1  0.398  0.602  0.922  1.0
  Y  Y3  1  0.602  0.398  0.422  1.0
  Y  Y4  1  0.912  0.701  0.968  1.0
  Y  Y5  1  0.299  0.088  0.968  1.0
  Ga  Ga6  1  0.193  0.807  0.499  1.0
  Ga  Ga7  1  0.807  0.193  0.999  1.0
  O  O8  1  0.323  0.356  0.196  1.0
  O  O9  1  0.785  0.215  0.662  1.0
  O  O10  1  0.578  0.106  0.178  1.0
  O  O11  1  0.677  0.644  0.696  1.0
  O  O12  1  0.422  0.894  0.678  1.0
  O  O13  1  0.356  0.323  0.696  1.0
  O  O14  1  0.894  0.422  0.178  1.0
  O  O15  1  0.961  0.039  0.142  1.0
  O  O16  1  0.106  0.578  0.678  1.0
  O  O17  1  0.039  0.961  0.642  1.0
  O  O18  1  0.644  0.677  0.196  1.0
  O  O19  1  0.215  0.785  0.162  1.0
[/CIF]
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The compound described by Y3GaO6 crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. In the second Y site, Y(2) is bonded to one O(2), two equivalent O(3), and four equivalent O(1) atoms to form distorted YO7 pentagonal bipyramids that share  a cornercorner with one Ga(1)O4 tetrahedra, edges with two equivalent Y(2)O7 pentagonal bipyramids, and  an edgeedge with one Ga(1)O4 tetrahedra. Ga(1) is bonded to one O(2), one O(4), and two equivalent O(3) atoms to form GaO4 tetrahedra that share  a cornercorner with one Y(2)O7 pentagonal bipyramid and  an edgeedge with one Y(2)O7 pentagonal bipyramid. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Y(1) and two equivalent Y(2) atoms to form OY4 tetrahedra that share corners with two equivalent O(1)Y4 tetrahedra, corners with four equivalent O(2)Y3Ga tetrahedra, corners with two equivalent O(4)Y4Ga trigonal bipyramids, corners with six equivalent O(3)Y3Ga trigonal pyramids, edges with three equivalent O(1)Y4 tetrahedra,  an edgeedge with one O(4)Y4Ga trigonal bipyramid, and  an edgeedge with one O(3)Y3Ga trigonal pyramid. In the second O site, O(2) is bonded to one Y(2), two equivalent Y(1), and one Ga(1) atom to form distorted OY3Ga tetrahedra that share corners with eight equivalent O(1)Y4 tetrahedra,  a cornercorner with one O(4)Y4Ga trigonal bipyramid, corners with four equivalent O(3)Y3Ga trigonal pyramids, edges with two equivalent O(4)Y4Ga trigonal bipyramids, and edges with two equivalent O(3)Y3Ga trigonal pyramids. In the third O site, O(3) is bonded to one Y(2), two equivalent Y(1), and one Ga(1) atom to form distorted OY3Ga trigonal pyramids that share corners with two equivalent O(2)Y3Ga tetrahedra, corners with six equivalent O(1)Y4 tetrahedra, corners with three equivalent O(4)Y4Ga trigonal bipyramids, corners with two equivalent O(3)Y3Ga trigonal pyramids,  an edgeedge with one O(2)Y3Ga tetrahedra,  an edgeedge with one O(1)Y4 tetrahedra,  an edgeedge with one O(4)Y4Ga trigonal bipyramid, and  an edgeedge with one O(3)Y3Ga trigonal pyramid. In the fourth O site, O(4) is bonded to four equivalent Y(1) and one Ga(1) atom to form distorted OY4Ga trigonal bipyramids that share  a cornercorner with one O(2)Y3Ga tetrahedra, corners with four equivalent O(1)Y4 tetrahedra, corners with six equivalent O(3)Y3Ga trigonal pyramids, edges with two equivalent O(2)Y3Ga tetrahedra, edges with two equivalent O(1)Y4 tetrahedra, edges with two equivalent O(4)Y4Ga trigonal bipyramids, and edges with two equivalent O(3)Y3Ga trigonal pyramids. is represented by the CIF card [CIF]
data_Y3GaO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.093
_cell_length_b   7.093
_cell_length_c   5.408
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   102.861
_symmetry_Int_Tables_number   1
_cell_volume   265.215
_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
  Y  Y0  1  0.088  0.299  0.468  1.0
  Y  Y1  1  0.701  0.912  0.468  1.0
  Y  Y2  1  0.398  0.602  0.922  1.0
  Y  Y3  1  0.602  0.398  0.422  1.0
  Y  Y4  1  0.912  0.701  0.968  1.0
  Y  Y5  1  0.299  0.088  0.968  1.0
  Ga  Ga6  1  0.193  0.807  0.499  1.0
  Ga  Ga7  1  0.807  0.193  0.999  1.0
  O  O8  1  0.323  0.356  0.196  1.0
  O  O9  1  0.785  0.215  0.662  1.0
  O  O10  1  0.578  0.106  0.178  1.0
  O  O11  1  0.677  0.644  0.696  1.0
  O  O12  1  0.422  0.894  0.678  1.0
  O  O13  1  0.356  0.323  0.696  1.0
  O  O14  1  0.894  0.422  0.178  1.0
  O  O15  1  0.961  0.039  0.142  1.0
  O  O16  1  0.106  0.578  0.678  1.0
  O  O17  1  0.039  0.961  0.642  1.0
  O  O18  1  0.644  0.677  0.196  1.0
  O  O19  1  0.215  0.785  0.162  1.0
[/CIF]
.