The material described by MgLa4Ti4O10 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded in a T-shaped geometry to one O(3), one O(5), and one O(7) atom. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. In the second La site, La(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. In the third La site, La(3) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. In the fourth La site, La(4) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 4-20°. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 4-20°. In the third Ti site, Ti(3) is bonded in a 4-coordinate geometry to one O(10), one O(5), one O(8), and one O(9) atom. In the fourth Ti site, Ti(4) is bonded in a 4-coordinate geometry to one O(10), one O(6), one O(7), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one La(2), one La(4), one Ti(1), and one Ti(2) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one La(1), one La(3), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded to one Mg(1), one La(2), one La(4), one Ti(1), and one Ti(2) atom to form a mixture of distorted edge and corner-sharing OLa2MgTi2 trigonal bipyramids. The corner-sharing octahedral tilt angles are 60°. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one La(1), one La(2), one La(3), one La(4), one Ti(1), and one Ti(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one La(1), one La(3), one Ti(1), and one Ti(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one La(2), one La(4), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Mg(1), one La(1), one La(3), one Ti(2), and one Ti(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one La(2), one La(4), one Ti(2), and one Ti(3) atom. In the ninth O site, O(9) is bonded to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom to form distorted OLa4Ti2 octahedra that share corners with two equivalent O(3)La2MgTi2 trigonal bipyramids and faces with two equivalent O(10)La4Ti2 octahedra. In the tenth O site, O(10) is bonded to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom to form OLa4Ti2 octahedra that share  an edgeedge with one O(3)La2MgTi2 trigonal bipyramid and faces with two equivalent O(9)La4Ti2 octahedra. is represented by the CIF file [CIF]
data_La4MgTi4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.912
_cell_length_b   5.757
_cell_length_c   8.976
_cell_angle_alpha   110.167
_cell_angle_beta   110.661
_cell_angle_gamma   85.751
_symmetry_Int_Tables_number   1
_cell_volume   267.924
_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  0.570  0.060  0.286  1.0
  La  La1  1  0.397  0.890  0.754  1.0
  La  La2  1  0.197  0.727  0.286  1.0
  La  La3  1  0.837  0.364  0.754  1.0
  Mg  Mg4  1  0.850  0.360  0.220  1.0
  Ti  Ti5  1  0.987  0.977  0.983  1.0
  Ti  Ti6  1  0.476  0.506  0.983  1.0
  Ti  Ti7  1  0.172  0.308  0.504  1.0
  Ti  Ti8  1  0.812  0.696  0.504  1.0
  O  O9  1  0.207  0.217  0.933  1.0
  O  O10  1  0.245  0.755  0.009  1.0
  O  O11  1  0.727  0.237  0.973  1.0
  O  O12  1  0.752  0.762  0.023  1.0
  O  O13  1  0.141  0.155  0.249  1.0
  O  O14  1  0.834  0.795  0.739  1.0
  O  O15  1  0.588  0.594  0.249  1.0
  O  O16  1  0.385  0.443  0.739  1.0
  O  O17  1  0.993  0.002  0.505  1.0
  O  O18  1  0.502  0.010  0.522  1.0
[/CIF]
.
The material described by MgLa4Ti4O10 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded in a T-shaped geometry to one O(3), one O(5), and one O(7) atom. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. In the second La site, La(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. In the third La site, La(3) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. In the fourth La site, La(4) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 4-20°. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 4-20°. In the third Ti site, Ti(3) is bonded in a 4-coordinate geometry to one O(10), one O(5), one O(8), and one O(9) atom. In the fourth Ti site, Ti(4) is bonded in a 4-coordinate geometry to one O(10), one O(6), one O(7), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one La(2), one La(4), one Ti(1), and one Ti(2) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one La(1), one La(3), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded to one Mg(1), one La(2), one La(4), one Ti(1), and one Ti(2) atom to form a mixture of distorted edge and corner-sharing OLa2MgTi2 trigonal bipyramids. The corner-sharing octahedral tilt angles are 60°. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one La(1), one La(2), one La(3), one La(4), one Ti(1), and one Ti(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one La(1), one La(3), one Ti(1), and one Ti(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one La(2), one La(4), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Mg(1), one La(1), one La(3), one Ti(2), and one Ti(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one La(2), one La(4), one Ti(2), and one Ti(3) atom. In the ninth O site, O(9) is bonded to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom to form distorted OLa4Ti2 octahedra that share corners with two equivalent O(3)La2MgTi2 trigonal bipyramids and faces with two equivalent O(10)La4Ti2 octahedra. In the tenth O site, O(10) is bonded to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom to form OLa4Ti2 octahedra that share  an edgeedge with one O(3)La2MgTi2 trigonal bipyramid and faces with two equivalent O(9)La4Ti2 octahedra. is represented by the CIF file [CIF]
data_La4MgTi4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.912
_cell_length_b   5.757
_cell_length_c   8.976
_cell_angle_alpha   110.167
_cell_angle_beta   110.661
_cell_angle_gamma   85.751
_symmetry_Int_Tables_number   1
_cell_volume   267.924
_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  0.570  0.060  0.286  1.0
  La  La1  1  0.397  0.890  0.754  1.0
  La  La2  1  0.197  0.727  0.286  1.0
  La  La3  1  0.837  0.364  0.754  1.0
  Mg  Mg4  1  0.850  0.360  0.220  1.0
  Ti  Ti5  1  0.987  0.977  0.983  1.0
  Ti  Ti6  1  0.476  0.506  0.983  1.0
  Ti  Ti7  1  0.172  0.308  0.504  1.0
  Ti  Ti8  1  0.812  0.696  0.504  1.0
  O  O9  1  0.207  0.217  0.933  1.0
  O  O10  1  0.245  0.755  0.009  1.0
  O  O11  1  0.727  0.237  0.973  1.0
  O  O12  1  0.752  0.762  0.023  1.0
  O  O13  1  0.141  0.155  0.249  1.0
  O  O14  1  0.834  0.795  0.739  1.0
  O  O15  1  0.588  0.594  0.249  1.0
  O  O16  1  0.385  0.443  0.739  1.0
  O  O17  1  0.993  0.002  0.505  1.0
  O  O18  1  0.502  0.010  0.522  1.0
[/CIF]
.