The material described by MgLa4Ga2(FeO6)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(11), one O(3), and one O(4) atom to form MgO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ga(1)O6 octahedra,  a cornercorner with one Ga(2)O6 octahedra, and  an edgeedge with one Ga(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(5), one O(6), one O(7), and one O(9) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), one O(5), one O(6), and one O(8) atom. In the third La site, La(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. In the fourth La site, La(4) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(3), one O(4), one O(7), one O(8), and one O(9) atom. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(2), one O(4), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Ga(1)O6 octahedra, corners with four equivalent Ga(2)O6 octahedra, and  a cornercorner with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-45°. In the second Fe site, Fe(2) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(11), one O(6), and one O(7) atom. 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(4), one O(6), and one O(7) atom to form GaO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-45°. In the second Ga site, Ga(2) is bonded to one O(1), one O(12), one O(3), one O(5), one O(8), and one O(9) atom to form GaO6 octahedra that share corners with four equivalent Fe(1)O6 octahedra and  a cornercorner with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-38°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one La(1), one La(2), one Fe(2), and one Ga(2) atom to form a mixture of distorted corner and edge-sharing OLa2GaFe tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Fe(1), and one Ga(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one La(3), one La(4), and one Ga(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Mg(1), one La(3), one La(4), one Fe(1), and one Ga(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(3), one Fe(1), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Fe(2), and one Ga(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one La(1), one La(3), one La(4), one Fe(2), and one Ga(1) atom. In the eighth O site, O(8) is bonded to one La(2), one La(3), one La(4), one Fe(1), and one Ga(2) atom to form distorted OLa3GaFe square pyramids that share corners with two equivalent O(12)La3GaFe trigonal bipyramids,  an edgeedge with one O(1)La2GaFe tetrahedra,  an edgeedge with one O(12)La3GaFe trigonal bipyramid, and edges with two equivalent O(9)La3GaFe trigonal bipyramids. In the ninth O site, O(9) is bonded to one La(1), one La(3), one La(4), one Fe(1), and one Ga(2) atom to form distorted OLa3GaFe trigonal bipyramids that share edges with two equivalent O(8)La3GaFe square pyramids,  an edgeedge with one O(1)La2GaFe tetrahedra, and edges with two equivalent O(12)La3GaFe trigonal bipyramids. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Mg(1), one La(2), one La(3), one La(4), and one Ga(1) atom. In the eleventh O site, O(11) is bonded in a 6-coordinate geometry to one Mg(1), one La(1), one La(2), one La(3), one Fe(2), and one Ga(1) atom. In the twelfth O site, O(12) is bonded to one La(1), one La(2), one La(4), one Fe(1), and one Ga(2) atom to form distorted OLa3GaFe trigonal bipyramids that share corners with two equivalent O(8)La3GaFe square pyramids, corners with three equivalent O(1)La2GaFe tetrahedra,  an edgeedge with one O(8)La3GaFe square pyramid, and edges with two equivalent O(9)La3GaFe trigonal bipyramids. is represented by the CIF file [CIF]
data_La4MgGa2(FeO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.159
_cell_length_b   5.605
_cell_length_c   8.018
_cell_angle_alpha   89.950
_cell_angle_beta   89.088
_cell_angle_gamma   92.890
_symmetry_Int_Tables_number   1
_cell_volume   276.409
_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
  La  La0  1  0.433  0.481  0.741  1.0
  La  La1  1  0.927  0.023  0.745  1.0
  La  La2  1  0.576  0.557  0.260  1.0
  La  La3  1  0.118  0.961  0.293  1.0
  Mg  Mg4  1  0.748  0.117  0.123  1.0
  Ga  Ga5  1  0.005  0.520  0.997  1.0
  Ga  Ga6  1  0.522  0.009  0.507  1.0
  Fe  Fe7  1  0.997  0.488  0.508  1.0
  Fe  Fe8  1  0.389  0.984  0.950  1.0
  O  O9  1  0.536  0.902  0.744  1.0
  O  O10  1  0.042  0.617  0.757  1.0
  O  O11  1  0.488  0.105  0.262  1.0
  O  O12  1  0.945  0.363  0.242  1.0
  O  O13  1  0.687  0.303  0.555  1.0
  O  O14  1  0.171  0.226  0.942  1.0
  O  O15  1  0.293  0.690  0.067  1.0
  O  O16  1  0.799  0.820  0.453  1.0
  O  O17  1  0.328  0.705  0.459  1.0
  O  O18  1  0.844  0.803  0.072  1.0
  O  O19  1  0.703  0.331  0.942  1.0
  O  O20  1  0.210  0.187  0.555  1.0
[/CIF]
.
The material described by MgLa4Ga2(FeO6)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(11), one O(3), and one O(4) atom to form MgO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ga(1)O6 octahedra,  a cornercorner with one Ga(2)O6 octahedra, and  an edgeedge with one Ga(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(5), one O(6), one O(7), and one O(9) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), one O(5), one O(6), and one O(8) atom. In the third La site, La(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. In the fourth La site, La(4) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(3), one O(4), one O(7), one O(8), and one O(9) atom. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(2), one O(4), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Ga(1)O6 octahedra, corners with four equivalent Ga(2)O6 octahedra, and  a cornercorner with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-45°. In the second Fe site, Fe(2) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(11), one O(6), and one O(7) atom. 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(4), one O(6), and one O(7) atom to form GaO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-45°. In the second Ga site, Ga(2) is bonded to one O(1), one O(12), one O(3), one O(5), one O(8), and one O(9) atom to form GaO6 octahedra that share corners with four equivalent Fe(1)O6 octahedra and  a cornercorner with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-38°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one La(1), one La(2), one Fe(2), and one Ga(2) atom to form a mixture of distorted corner and edge-sharing OLa2GaFe tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Fe(1), and one Ga(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one La(3), one La(4), and one Ga(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Mg(1), one La(3), one La(4), one Fe(1), and one Ga(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(1), one La(2), one La(3), one Fe(1), and one Ga(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one La(1), one La(2), one Fe(2), and one Ga(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one La(1), one La(3), one La(4), one Fe(2), and one Ga(1) atom. In the eighth O site, O(8) is bonded to one La(2), one La(3), one La(4), one Fe(1), and one Ga(2) atom to form distorted OLa3GaFe square pyramids that share corners with two equivalent O(12)La3GaFe trigonal bipyramids,  an edgeedge with one O(1)La2GaFe tetrahedra,  an edgeedge with one O(12)La3GaFe trigonal bipyramid, and edges with two equivalent O(9)La3GaFe trigonal bipyramids. In the ninth O site, O(9) is bonded to one La(1), one La(3), one La(4), one Fe(1), and one Ga(2) atom to form distorted OLa3GaFe trigonal bipyramids that share edges with two equivalent O(8)La3GaFe square pyramids,  an edgeedge with one O(1)La2GaFe tetrahedra, and edges with two equivalent O(12)La3GaFe trigonal bipyramids. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Mg(1), one La(2), one La(3), one La(4), and one Ga(1) atom. In the eleventh O site, O(11) is bonded in a 6-coordinate geometry to one Mg(1), one La(1), one La(2), one La(3), one Fe(2), and one Ga(1) atom. In the twelfth O site, O(12) is bonded to one La(1), one La(2), one La(4), one Fe(1), and one Ga(2) atom to form distorted OLa3GaFe trigonal bipyramids that share corners with two equivalent O(8)La3GaFe square pyramids, corners with three equivalent O(1)La2GaFe tetrahedra,  an edgeedge with one O(8)La3GaFe square pyramid, and edges with two equivalent O(9)La3GaFe trigonal bipyramids. is represented by the CIF file [CIF]
data_La4MgGa2(FeO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.159
_cell_length_b   5.605
_cell_length_c   8.018
_cell_angle_alpha   89.950
_cell_angle_beta   89.088
_cell_angle_gamma   92.890
_symmetry_Int_Tables_number   1
_cell_volume   276.409
_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
  La  La0  1  0.433  0.481  0.741  1.0
  La  La1  1  0.927  0.023  0.745  1.0
  La  La2  1  0.576  0.557  0.260  1.0
  La  La3  1  0.118  0.961  0.293  1.0
  Mg  Mg4  1  0.748  0.117  0.123  1.0
  Ga  Ga5  1  0.005  0.520  0.997  1.0
  Ga  Ga6  1  0.522  0.009  0.507  1.0
  Fe  Fe7  1  0.997  0.488  0.508  1.0
  Fe  Fe8  1  0.389  0.984  0.950  1.0
  O  O9  1  0.536  0.902  0.744  1.0
  O  O10  1  0.042  0.617  0.757  1.0
  O  O11  1  0.488  0.105  0.262  1.0
  O  O12  1  0.945  0.363  0.242  1.0
  O  O13  1  0.687  0.303  0.555  1.0
  O  O14  1  0.171  0.226  0.942  1.0
  O  O15  1  0.293  0.690  0.067  1.0
  O  O16  1  0.799  0.820  0.453  1.0
  O  O17  1  0.328  0.705  0.459  1.0
  O  O18  1  0.844  0.803  0.072  1.0
  O  O19  1  0.703  0.331  0.942  1.0
  O  O20  1  0.210  0.187  0.555  1.0
[/CIF]
.