The compound described by MgLa3Ti2N3O4 crystallizes in the monoclinic Cm space group. Mg(1) is bonded in a rectangular see-saw-like geometry to two equivalent N(1), one O(1), and one O(4) atom. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 4-coordinate geometry to one N(2), one N(3), and two equivalent N(1) atoms. In the second La site, La(2) is bonded to two equivalent N(3), one O(1), one O(2), and two equivalent O(3) atoms to form distorted LaN2O4 octahedra that share corners with four equivalent La(3)N2O4 octahedra,  a cornercorner with one Ti(1)N2O3 trigonal bipyramid, corners with two equivalent Ti(2)N2O3 trigonal bipyramids, edges with two equivalent La(2)N2O4 octahedra, and edges with two equivalent Ti(2)N2O3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. In the third La site, La(3) is bonded to two equivalent N(2), one O(3), one O(4), and two equivalent O(2) atoms to form distorted LaN2O4 octahedra that share corners with four equivalent La(2)N2O4 octahedra,  a cornercorner with one Ti(2)N2O3 trigonal bipyramid, corners with two equivalent Ti(1)N2O3 trigonal bipyramids, edges with two equivalent La(3)N2O4 octahedra, and edges with two equivalent Ti(1)N2O3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one N(1), one N(2), one O(2), and two equivalent O(4) atoms to form distorted TiN2O3 trigonal bipyramids that share  a cornercorner with one La(2)N2O4 octahedra, corners with two equivalent La(3)N2O4 octahedra,  a cornercorner with one Ti(2)N2O3 trigonal bipyramid, corners with two equivalent Ti(1)N2O3 trigonal bipyramids, and edges with two equivalent La(3)N2O4 octahedra. The corner-sharing octahedral tilt angles range from 59-62°. In the second Ti site, Ti(2) is bonded to one N(1), one N(3), one O(3), and two equivalent O(1) atoms to form distorted TiN2O3 trigonal bipyramids that share  a cornercorner with one La(3)N2O4 octahedra, corners with two equivalent La(2)N2O4 octahedra,  a cornercorner with one Ti(1)N2O3 trigonal bipyramid, corners with two equivalent Ti(2)N2O3 trigonal bipyramids, and edges with two equivalent La(2)N2O4 octahedra. The corner-sharing octahedral tilt angles range from 59-62°. There are three inequivalent N sites. In the first N site, N(1) is bonded to two equivalent Mg(1), two equivalent La(1), one Ti(1), and one Ti(2) atom to form distorted NLa2Mg2Ti2 octahedra that share corners with four equivalent N(1)La2Mg2Ti2 octahedra,  a cornercorner with one N(2)La3Ti tetrahedra,  a cornercorner with one N(3)La3Ti tetrahedra,  a cornercorner with one O(2)La3Ti tetrahedra,  a cornercorner with one O(3)La3Ti tetrahedra,  an edgeedge with one N(2)La3Ti tetrahedra,  an edgeedge with one N(3)La3Ti tetrahedra, and edges with two equivalent O(1)LaMgTi2 trigonal pyramids. The corner-sharing octahedral tilt angles range from 1-14°. In the second N site, N(2) is bonded to one La(1), two equivalent La(3), and one Ti(1) atom to form distorted NLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra,  a cornercorner with one N(3)La3Ti tetrahedra, corners with two equivalent N(2)La3Ti tetrahedra, corners with two equivalent O(3)La3Ti tetrahedra, corners with three equivalent O(2)La3Ti tetrahedra,  an edgeedge with one N(1)La2Mg2Ti2 octahedra, and  an edgeedge with one O(2)La3Ti tetrahedra. The corner-sharing octahedral tilt angles are 74°. In the third N site, N(3) is bonded to one La(1), two equivalent La(2), and one Ti(2) atom to form distorted NLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra,  a cornercorner with one N(2)La3Ti tetrahedra, corners with two equivalent N(3)La3Ti tetrahedra, corners with two equivalent O(2)La3Ti tetrahedra, corners with three equivalent O(3)La3Ti tetrahedra, corners with four equivalent O(1)LaMgTi2 trigonal pyramids,  an edgeedge with one N(1)La2Mg2Ti2 octahedra, and  an edgeedge with one O(3)La3Ti tetrahedra. The corner-sharing octahedral tilt angles are 73°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one La(2), and two equivalent Ti(2) atoms to form distorted OLaMgTi2 trigonal pyramids that share  a cornercorner with one O(2)La3Ti tetrahedra, corners with four equivalent N(3)La3Ti tetrahedra, corners with two equivalent O(1)LaMgTi2 trigonal pyramids, edges with two equivalent N(1)La2Mg2Ti2 octahedra, and edges with two equivalent O(3)La3Ti tetrahedra. In the second O site, O(2) is bonded to one La(2), two equivalent La(3), and one Ti(1) atom to form distorted OLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra, corners with two equivalent N(3)La3Ti tetrahedra, corners with two equivalent O(2)La3Ti tetrahedra, corners with three equivalent N(2)La3Ti tetrahedra, corners with four equivalent O(3)La3Ti tetrahedra,  a cornercorner with one O(1)LaMgTi2 trigonal pyramid, and  an edgeedge with one N(2)La3Ti tetrahedra. The corner-sharing octahedral tilt angles are 31°. In the third O site, O(3) is bonded to one La(3), two equivalent La(2), and one Ti(2) atom to form distorted OLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra, corners with two equivalent N(2)La3Ti tetrahedra, corners with two equivalent O(3)La3Ti tetrahedra, corners with three equivalent N(3)La3Ti tetrahedra, corners with four equivalent O(2)La3Ti tetrahedra,  an edgeedge with one N(3)La3Ti tetrahedra, and edges with two equivalent O(1)LaMgTi2 trigonal pyramids. The corner-sharing octahedral tilt angles are 30°. In the fourth O site, O(4) is bonded in a distorted square co-planar geometry to one Mg(1), one La(3), and two equivalent Ti(1) atoms. is represented by the CIF card [CIF]
data_La3MgTi2N3O4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.521
_cell_length_b   9.939
_cell_length_c   3.995
_cell_angle_alpha   78.402
_cell_angle_beta   90.004
_cell_angle_gamma   106.308
_symmetry_Int_Tables_number   1
_cell_volume   205.714
_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  0.526  0.001  0.036  1.0
  La  La1  1  0.797  0.370  0.351  1.0
  La  La2  1  0.429  0.630  0.721  1.0
  Mg  Mg3  1  0.024  0.999  0.537  1.0
  Ti  Ti4  1  0.958  0.773  0.150  1.0
  Ti  Ti5  1  0.181  0.226  0.923  1.0
  N  N6  1  0.068  0.999  0.037  1.0
  N  N7  1  0.274  0.746  0.163  1.0
  N  N8  1  0.524  0.255  0.909  1.0
  O  O9  1  0.071  0.211  0.431  1.0
  O  O10  1  0.679  0.586  0.243  1.0
  O  O11  1  0.092  0.413  0.830  1.0
  O  O12  1  0.867  0.785  0.644  1.0
[/CIF]
.
The compound described by MgLa3Ti2N3O4 crystallizes in the monoclinic Cm space group. Mg(1) is bonded in a rectangular see-saw-like geometry to two equivalent N(1), one O(1), and one O(4) atom. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 4-coordinate geometry to one N(2), one N(3), and two equivalent N(1) atoms. In the second La site, La(2) is bonded to two equivalent N(3), one O(1), one O(2), and two equivalent O(3) atoms to form distorted LaN2O4 octahedra that share corners with four equivalent La(3)N2O4 octahedra,  a cornercorner with one Ti(1)N2O3 trigonal bipyramid, corners with two equivalent Ti(2)N2O3 trigonal bipyramids, edges with two equivalent La(2)N2O4 octahedra, and edges with two equivalent Ti(2)N2O3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. In the third La site, La(3) is bonded to two equivalent N(2), one O(3), one O(4), and two equivalent O(2) atoms to form distorted LaN2O4 octahedra that share corners with four equivalent La(2)N2O4 octahedra,  a cornercorner with one Ti(2)N2O3 trigonal bipyramid, corners with two equivalent Ti(1)N2O3 trigonal bipyramids, edges with two equivalent La(3)N2O4 octahedra, and edges with two equivalent Ti(1)N2O3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one N(1), one N(2), one O(2), and two equivalent O(4) atoms to form distorted TiN2O3 trigonal bipyramids that share  a cornercorner with one La(2)N2O4 octahedra, corners with two equivalent La(3)N2O4 octahedra,  a cornercorner with one Ti(2)N2O3 trigonal bipyramid, corners with two equivalent Ti(1)N2O3 trigonal bipyramids, and edges with two equivalent La(3)N2O4 octahedra. The corner-sharing octahedral tilt angles range from 59-62°. In the second Ti site, Ti(2) is bonded to one N(1), one N(3), one O(3), and two equivalent O(1) atoms to form distorted TiN2O3 trigonal bipyramids that share  a cornercorner with one La(3)N2O4 octahedra, corners with two equivalent La(2)N2O4 octahedra,  a cornercorner with one Ti(1)N2O3 trigonal bipyramid, corners with two equivalent Ti(2)N2O3 trigonal bipyramids, and edges with two equivalent La(2)N2O4 octahedra. The corner-sharing octahedral tilt angles range from 59-62°. There are three inequivalent N sites. In the first N site, N(1) is bonded to two equivalent Mg(1), two equivalent La(1), one Ti(1), and one Ti(2) atom to form distorted NLa2Mg2Ti2 octahedra that share corners with four equivalent N(1)La2Mg2Ti2 octahedra,  a cornercorner with one N(2)La3Ti tetrahedra,  a cornercorner with one N(3)La3Ti tetrahedra,  a cornercorner with one O(2)La3Ti tetrahedra,  a cornercorner with one O(3)La3Ti tetrahedra,  an edgeedge with one N(2)La3Ti tetrahedra,  an edgeedge with one N(3)La3Ti tetrahedra, and edges with two equivalent O(1)LaMgTi2 trigonal pyramids. The corner-sharing octahedral tilt angles range from 1-14°. In the second N site, N(2) is bonded to one La(1), two equivalent La(3), and one Ti(1) atom to form distorted NLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra,  a cornercorner with one N(3)La3Ti tetrahedra, corners with two equivalent N(2)La3Ti tetrahedra, corners with two equivalent O(3)La3Ti tetrahedra, corners with three equivalent O(2)La3Ti tetrahedra,  an edgeedge with one N(1)La2Mg2Ti2 octahedra, and  an edgeedge with one O(2)La3Ti tetrahedra. The corner-sharing octahedral tilt angles are 74°. In the third N site, N(3) is bonded to one La(1), two equivalent La(2), and one Ti(2) atom to form distorted NLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra,  a cornercorner with one N(2)La3Ti tetrahedra, corners with two equivalent N(3)La3Ti tetrahedra, corners with two equivalent O(2)La3Ti tetrahedra, corners with three equivalent O(3)La3Ti tetrahedra, corners with four equivalent O(1)LaMgTi2 trigonal pyramids,  an edgeedge with one N(1)La2Mg2Ti2 octahedra, and  an edgeedge with one O(3)La3Ti tetrahedra. The corner-sharing octahedral tilt angles are 73°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one La(2), and two equivalent Ti(2) atoms to form distorted OLaMgTi2 trigonal pyramids that share  a cornercorner with one O(2)La3Ti tetrahedra, corners with four equivalent N(3)La3Ti tetrahedra, corners with two equivalent O(1)LaMgTi2 trigonal pyramids, edges with two equivalent N(1)La2Mg2Ti2 octahedra, and edges with two equivalent O(3)La3Ti tetrahedra. In the second O site, O(2) is bonded to one La(2), two equivalent La(3), and one Ti(1) atom to form distorted OLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra, corners with two equivalent N(3)La3Ti tetrahedra, corners with two equivalent O(2)La3Ti tetrahedra, corners with three equivalent N(2)La3Ti tetrahedra, corners with four equivalent O(3)La3Ti tetrahedra,  a cornercorner with one O(1)LaMgTi2 trigonal pyramid, and  an edgeedge with one N(2)La3Ti tetrahedra. The corner-sharing octahedral tilt angles are 31°. In the third O site, O(3) is bonded to one La(3), two equivalent La(2), and one Ti(2) atom to form distorted OLa3Ti tetrahedra that share  a cornercorner with one N(1)La2Mg2Ti2 octahedra, corners with two equivalent N(2)La3Ti tetrahedra, corners with two equivalent O(3)La3Ti tetrahedra, corners with three equivalent N(3)La3Ti tetrahedra, corners with four equivalent O(2)La3Ti tetrahedra,  an edgeedge with one N(3)La3Ti tetrahedra, and edges with two equivalent O(1)LaMgTi2 trigonal pyramids. The corner-sharing octahedral tilt angles are 30°. In the fourth O site, O(4) is bonded in a distorted square co-planar geometry to one Mg(1), one La(3), and two equivalent Ti(1) atoms. is represented by the CIF card [CIF]
data_La3MgTi2N3O4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.521
_cell_length_b   9.939
_cell_length_c   3.995
_cell_angle_alpha   78.402
_cell_angle_beta   90.004
_cell_angle_gamma   106.308
_symmetry_Int_Tables_number   1
_cell_volume   205.714
_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  0.526  0.001  0.036  1.0
  La  La1  1  0.797  0.370  0.351  1.0
  La  La2  1  0.429  0.630  0.721  1.0
  Mg  Mg3  1  0.024  0.999  0.537  1.0
  Ti  Ti4  1  0.958  0.773  0.150  1.0
  Ti  Ti5  1  0.181  0.226  0.923  1.0
  N  N6  1  0.068  0.999  0.037  1.0
  N  N7  1  0.274  0.746  0.163  1.0
  N  N8  1  0.524  0.255  0.909  1.0
  O  O9  1  0.071  0.211  0.431  1.0
  O  O10  1  0.679  0.586  0.243  1.0
  O  O11  1  0.092  0.413  0.830  1.0
  O  O12  1  0.867  0.785  0.644  1.0
[/CIF]
.