The crystal structure described by CaLaGa3O7 crystallizes in the orthorhombic Cmm2 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(3), one O(5), two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms. La(1) is bonded in a 8-coordinate geometry to one O(4), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form corner-sharing GaO4 tetrahedra. In the second Ga site, Ga(2) is bonded to one O(4), one O(5), and two equivalent O(1) atoms to form distorted corner-sharing GaO4 tetrahedra. In the third Ga site, Ga(3) is bonded to one O(3), one O(6), and two equivalent O(2) atoms to form distorted corner-sharing GaO4 tetrahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ca(1), one La(1), one Ga(1), and one Ga(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ca(1), one La(1), one Ga(1), and one Ga(3) atom. In the third O site, O(3) is bonded to two equivalent Ca(1) and two equivalent Ga(3) atoms to form OCa2Ga2 tetrahedra that share corners with two equivalent O(6)Ca2LaGa tetrahedra, corners with two equivalent O(5)CaLa2Ga tetrahedra, and edges with two equivalent O(6)Ca2LaGa tetrahedra. In the fourth O site, O(4) is bonded to two equivalent La(1) and two equivalent Ga(2) atoms to form distorted OLa2Ga2 tetrahedra that share corners with two equivalent O(6)Ca2LaGa tetrahedra, corners with two equivalent O(5)CaLa2Ga tetrahedra, and edges with two equivalent O(5)CaLa2Ga tetrahedra. In the fifth O site, O(5) is bonded to one Ca(1), two equivalent La(1), and one Ga(2) atom to form distorted OCaLa2Ga tetrahedra that share  a cornercorner with one O(3)Ca2Ga2 tetrahedra,  a cornercorner with one O(4)La2Ga2 tetrahedra, corners with four equivalent O(6)Ca2LaGa tetrahedra,  an edgeedge with one O(5)CaLa2Ga tetrahedra, and  an edgeedge with one O(4)La2Ga2 tetrahedra. In the sixth O site, O(6) is bonded to two equivalent Ca(1), one La(1), and one Ga(3) atom to form distorted OCa2LaGa tetrahedra that share  a cornercorner with one O(3)Ca2Ga2 tetrahedra,  a cornercorner with one O(4)La2Ga2 tetrahedra, corners with four equivalent O(5)CaLa2Ga tetrahedra,  an edgeedge with one O(3)Ca2Ga2 tetrahedra, and  an edgeedge with one O(6)Ca2LaGa tetrahedra. is represented by the CIF file [CIF]
data_CaLaGa3O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.028
_cell_length_b   8.028
_cell_length_c   5.315
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   91.063
_symmetry_Int_Tables_number   1
_cell_volume   342.455
_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
  Ca  Ca0  1  0.660  0.660  0.486  1.0
  Ca  Ca1  1  0.340  0.340  0.486  1.0
  La  La2  1  0.836  0.164  0.507  1.0
  La  La3  1  0.164  0.836  0.507  1.0
  Ga  Ga4  1  0.500  0.000  0.005  1.0
  Ga  Ga5  1  0.000  0.500  0.005  1.0
  Ga  Ga6  1  0.852  0.852  0.034  1.0
  Ga  Ga7  1  0.641  0.359  0.964  1.0
  Ga  Ga8  1  0.148  0.148  0.034  1.0
  Ga  Ga9  1  0.359  0.641  0.964  1.0
  O  O10  1  0.661  0.911  0.213  1.0
  O  O11  1  0.841  0.408  0.792  1.0
  O  O12  1  0.339  0.089  0.213  1.0
  O  O13  1  0.159  0.592  0.792  1.0
  O  O14  1  0.408  0.841  0.792  1.0
  O  O15  1  0.089  0.339  0.213  1.0
  O  O16  1  0.592  0.159  0.792  1.0
  O  O17  1  0.911  0.661  0.213  1.0
  O  O18  1  0.500  0.500  0.796  1.0
  O  O19  1  0.000  0.000  0.197  1.0
  O  O20  1  0.862  0.862  0.692  1.0
  O  O21  1  0.643  0.357  0.306  1.0
  O  O22  1  0.138  0.138  0.692  1.0
  O  O23  1  0.357  0.643  0.306  1.0
[/CIF]
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The crystal structure described by CaLaGa3O7 crystallizes in the orthorhombic Cmm2 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(3), one O(5), two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms. La(1) is bonded in a 8-coordinate geometry to one O(4), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form corner-sharing GaO4 tetrahedra. In the second Ga site, Ga(2) is bonded to one O(4), one O(5), and two equivalent O(1) atoms to form distorted corner-sharing GaO4 tetrahedra. In the third Ga site, Ga(3) is bonded to one O(3), one O(6), and two equivalent O(2) atoms to form distorted corner-sharing GaO4 tetrahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ca(1), one La(1), one Ga(1), and one Ga(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ca(1), one La(1), one Ga(1), and one Ga(3) atom. In the third O site, O(3) is bonded to two equivalent Ca(1) and two equivalent Ga(3) atoms to form OCa2Ga2 tetrahedra that share corners with two equivalent O(6)Ca2LaGa tetrahedra, corners with two equivalent O(5)CaLa2Ga tetrahedra, and edges with two equivalent O(6)Ca2LaGa tetrahedra. In the fourth O site, O(4) is bonded to two equivalent La(1) and two equivalent Ga(2) atoms to form distorted OLa2Ga2 tetrahedra that share corners with two equivalent O(6)Ca2LaGa tetrahedra, corners with two equivalent O(5)CaLa2Ga tetrahedra, and edges with two equivalent O(5)CaLa2Ga tetrahedra. In the fifth O site, O(5) is bonded to one Ca(1), two equivalent La(1), and one Ga(2) atom to form distorted OCaLa2Ga tetrahedra that share  a cornercorner with one O(3)Ca2Ga2 tetrahedra,  a cornercorner with one O(4)La2Ga2 tetrahedra, corners with four equivalent O(6)Ca2LaGa tetrahedra,  an edgeedge with one O(5)CaLa2Ga tetrahedra, and  an edgeedge with one O(4)La2Ga2 tetrahedra. In the sixth O site, O(6) is bonded to two equivalent Ca(1), one La(1), and one Ga(3) atom to form distorted OCa2LaGa tetrahedra that share  a cornercorner with one O(3)Ca2Ga2 tetrahedra,  a cornercorner with one O(4)La2Ga2 tetrahedra, corners with four equivalent O(5)CaLa2Ga tetrahedra,  an edgeedge with one O(3)Ca2Ga2 tetrahedra, and  an edgeedge with one O(6)Ca2LaGa tetrahedra. is represented by the CIF file [CIF]
data_CaLaGa3O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.028
_cell_length_b   8.028
_cell_length_c   5.315
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   91.063
_symmetry_Int_Tables_number   1
_cell_volume   342.455
_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
  Ca  Ca0  1  0.660  0.660  0.486  1.0
  Ca  Ca1  1  0.340  0.340  0.486  1.0
  La  La2  1  0.836  0.164  0.507  1.0
  La  La3  1  0.164  0.836  0.507  1.0
  Ga  Ga4  1  0.500  0.000  0.005  1.0
  Ga  Ga5  1  0.000  0.500  0.005  1.0
  Ga  Ga6  1  0.852  0.852  0.034  1.0
  Ga  Ga7  1  0.641  0.359  0.964  1.0
  Ga  Ga8  1  0.148  0.148  0.034  1.0
  Ga  Ga9  1  0.359  0.641  0.964  1.0
  O  O10  1  0.661  0.911  0.213  1.0
  O  O11  1  0.841  0.408  0.792  1.0
  O  O12  1  0.339  0.089  0.213  1.0
  O  O13  1  0.159  0.592  0.792  1.0
  O  O14  1  0.408  0.841  0.792  1.0
  O  O15  1  0.089  0.339  0.213  1.0
  O  O16  1  0.592  0.159  0.792  1.0
  O  O17  1  0.911  0.661  0.213  1.0
  O  O18  1  0.500  0.500  0.796  1.0
  O  O19  1  0.000  0.000  0.197  1.0
  O  O20  1  0.862  0.862  0.692  1.0
  O  O21  1  0.643  0.357  0.306  1.0
  O  O22  1  0.138  0.138  0.692  1.0
  O  O23  1  0.357  0.643  0.306  1.0
[/CIF]
.