The crystal structure described by MgLa4Ti4O10 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a square co-planar geometry to one O(1), one O(2), one O(3), and one O(4) atom. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(7), one O(9), and two equivalent O(5) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(8), one O(9), and two equivalent O(6) atoms. In the third La site, La(3) is bonded in a 5-coordinate geometry to one O(10), one O(5), one O(9), and two equivalent O(7) atoms. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one O(10), one O(6), one O(9), and two equivalent O(8) atoms. 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 12-14°. 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 12-14°. In the third Ti site, Ti(3) is bonded in a rectangular see-saw-like 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 rectangular see-saw-like 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 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(3), two equivalent La(1), one Ti(1), and one Ti(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one La(4), two equivalent La(2), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one La(1), two equivalent La(3), one Ti(2), and one Ti(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(4), one Ti(2), and one Ti(3) atom. In the ninth O site, O(9) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom. In the tenth O site, O(10) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom. is represented by the CIF card [CIF]
data_La4MgTi4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.532
_cell_length_b   5.721
_cell_length_c   9.313
_cell_angle_alpha   109.066
_cell_angle_beta   107.211
_cell_angle_gamma   90.039
_symmetry_Int_Tables_number   1
_cell_volume   264.562
_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  0.607  0.135  0.235  1.0
  La  La1  1  0.376  0.866  0.766  1.0
  La  La2  1  0.159  0.670  0.340  1.0
  La  La3  1  0.822  0.332  0.664  1.0
  Mg  Mg4  1  0.992  0.501  0.003  1.0
  Ti  Ti5  1  0.992  0.001  0.002  1.0
  Ti  Ti6  1  0.491  0.500  1.000  1.0
  Ti  Ti7  1  0.239  0.279  0.497  1.0
  Ti  Ti8  1  0.742  0.724  0.502  1.0
  O  O9  1  0.227  0.235  0.971  1.0
  O  O10  1  0.254  0.763  0.025  1.0
  O  O11  1  0.726  0.235  0.972  1.0
  O  O12  1  0.753  0.764  0.026  1.0
  O  O13  1  0.120  0.185  0.255  1.0
  O  O14  1  0.861  0.810  0.743  1.0
  O  O15  1  0.617  0.569  0.255  1.0
  O  O16  1  0.362  0.430  0.743  1.0
  O  O17  1  0.985  0.003  0.498  1.0
  O  O18  1  0.490  0.000  0.502  1.0
[/CIF]
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The crystal structure described by MgLa4Ti4O10 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a square co-planar geometry to one O(1), one O(2), one O(3), and one O(4) atom. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(7), one O(9), and two equivalent O(5) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(8), one O(9), and two equivalent O(6) atoms. In the third La site, La(3) is bonded in a 5-coordinate geometry to one O(10), one O(5), one O(9), and two equivalent O(7) atoms. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one O(10), one O(6), one O(9), and two equivalent O(8) atoms. 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 12-14°. 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 12-14°. In the third Ti site, Ti(3) is bonded in a rectangular see-saw-like 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 rectangular see-saw-like 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 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(3), two equivalent La(1), one Ti(1), and one Ti(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one La(4), two equivalent La(2), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one La(1), two equivalent La(3), one Ti(2), and one Ti(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(4), one Ti(2), and one Ti(3) atom. In the ninth O site, O(9) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom. In the tenth O site, O(10) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom. is represented by the CIF card [CIF]
data_La4MgTi4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.532
_cell_length_b   5.721
_cell_length_c   9.313
_cell_angle_alpha   109.066
_cell_angle_beta   107.211
_cell_angle_gamma   90.039
_symmetry_Int_Tables_number   1
_cell_volume   264.562
_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  0.607  0.135  0.235  1.0
  La  La1  1  0.376  0.866  0.766  1.0
  La  La2  1  0.159  0.670  0.340  1.0
  La  La3  1  0.822  0.332  0.664  1.0
  Mg  Mg4  1  0.992  0.501  0.003  1.0
  Ti  Ti5  1  0.992  0.001  0.002  1.0
  Ti  Ti6  1  0.491  0.500  1.000  1.0
  Ti  Ti7  1  0.239  0.279  0.497  1.0
  Ti  Ti8  1  0.742  0.724  0.502  1.0
  O  O9  1  0.227  0.235  0.971  1.0
  O  O10  1  0.254  0.763  0.025  1.0
  O  O11  1  0.726  0.235  0.972  1.0
  O  O12  1  0.753  0.764  0.026  1.0
  O  O13  1  0.120  0.185  0.255  1.0
  O  O14  1  0.861  0.810  0.743  1.0
  O  O15  1  0.617  0.569  0.255  1.0
  O  O16  1  0.362  0.430  0.743  1.0
  O  O17  1  0.985  0.003  0.498  1.0
  O  O18  1  0.490  0.000  0.502  1.0
[/CIF]
.