The material structure described by Sr2MgLa2Ti3O12 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 12-coordinate geometry to two equivalent O(3), two equivalent O(4), four equivalent O(1), and four equivalent O(5) atoms. Mg(1) is bonded to two equivalent O(2) and four equivalent O(6) atoms to form MgO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra and corners with four equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-26°. La(1) is bonded in a 12-coordinate geometry to two equivalent O(3), two equivalent O(4), four equivalent O(2), and four equivalent O(6) atoms. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent O(1) and four equivalent O(5) atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-19°. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form TiO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Ti(1)O6 octahedra, and corners with four equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-26°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to four equivalent Sr(1), 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), four equivalent La(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent Ti(2) atoms. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to four equivalent Sr(1) and two equivalent Ti(1) atoms. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Mg(1) and four equivalent La(1) atoms. is represented by the CIF card [CIF]
data_Sr2La2MgTi3O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.619
_cell_length_b   5.604
_cell_length_c   15.770
_cell_angle_alpha   89.921
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   496.563
_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
  Sr  Sr0  1  0.001  0.997  0.123  1.0
  Sr  Sr1  1  0.499  0.497  0.123  1.0
  Sr  Sr2  1  0.501  0.503  0.877  1.0
  Sr  Sr3  1  0.999  0.003  0.877  1.0
  La  La4  1  0.015  0.982  0.617  1.0
  La  La5  1  0.485  0.482  0.617  1.0
  La  La6  1  0.515  0.518  0.383  1.0
  La  La7  1  0.985  0.018  0.383  1.0
  Mg  Mg8  1  0.000  0.500  0.500  1.0
  Mg  Mg9  1  0.500  0.000  0.500  1.0
  Ti  Ti10  1  0.000  0.500  0.000  1.0
  Ti  Ti11  1  0.510  0.988  0.749  1.0
  Ti  Ti12  1  0.500  0.000  0.000  1.0
  Ti  Ti13  1  0.490  0.012  0.251  1.0
  Ti  Ti14  1  0.990  0.488  0.749  1.0
  Ti  Ti15  1  0.010  0.512  0.251  1.0
  O  O16  1  0.052  0.502  0.875  1.0
  O  O17  1  0.081  0.486  0.368  1.0
  O  O18  1  0.243  0.236  0.232  1.0
  O  O19  1  0.239  0.248  0.730  1.0
  O  O20  1  0.246  0.246  0.013  1.0
  O  O21  1  0.232  0.232  0.524  1.0
  O  O22  1  0.257  0.736  0.232  1.0
  O  O23  1  0.254  0.746  0.013  1.0
  O  O24  1  0.261  0.748  0.730  1.0
  O  O25  1  0.268  0.732  0.524  1.0
  O  O26  1  0.448  0.002  0.875  1.0
  O  O27  1  0.419  0.986  0.368  1.0
  O  O28  1  0.581  0.014  0.632  1.0
  O  O29  1  0.552  0.998  0.125  1.0
  O  O30  1  0.739  0.252  0.270  1.0
  O  O31  1  0.743  0.264  0.768  1.0
  O  O32  1  0.746  0.254  0.987  1.0
  O  O33  1  0.732  0.268  0.476  1.0
  O  O34  1  0.754  0.754  0.987  1.0
  O  O35  1  0.768  0.768  0.476  1.0
  O  O36  1  0.757  0.764  0.768  1.0
  O  O37  1  0.761  0.752  0.270  1.0
  O  O38  1  0.948  0.498  0.125  1.0
  O  O39  1  0.919  0.514  0.632  1.0
[/CIF]
.
The material structure described by Sr2MgLa2Ti3O12 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 12-coordinate geometry to two equivalent O(3), two equivalent O(4), four equivalent O(1), and four equivalent O(5) atoms. Mg(1) is bonded to two equivalent O(2) and four equivalent O(6) atoms to form MgO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra and corners with four equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-26°. La(1) is bonded in a 12-coordinate geometry to two equivalent O(3), two equivalent O(4), four equivalent O(2), and four equivalent O(6) atoms. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent O(1) and four equivalent O(5) atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-19°. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form TiO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Ti(1)O6 octahedra, and corners with four equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-26°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to four equivalent Sr(1), 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), four equivalent La(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent Ti(2) atoms. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to four equivalent Sr(1) and two equivalent Ti(1) atoms. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Mg(1) and four equivalent La(1) atoms. is represented by the CIF card [CIF]
data_Sr2La2MgTi3O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.619
_cell_length_b   5.604
_cell_length_c   15.770
_cell_angle_alpha   89.921
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   496.563
_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
  Sr  Sr0  1  0.001  0.997  0.123  1.0
  Sr  Sr1  1  0.499  0.497  0.123  1.0
  Sr  Sr2  1  0.501  0.503  0.877  1.0
  Sr  Sr3  1  0.999  0.003  0.877  1.0
  La  La4  1  0.015  0.982  0.617  1.0
  La  La5  1  0.485  0.482  0.617  1.0
  La  La6  1  0.515  0.518  0.383  1.0
  La  La7  1  0.985  0.018  0.383  1.0
  Mg  Mg8  1  0.000  0.500  0.500  1.0
  Mg  Mg9  1  0.500  0.000  0.500  1.0
  Ti  Ti10  1  0.000  0.500  0.000  1.0
  Ti  Ti11  1  0.510  0.988  0.749  1.0
  Ti  Ti12  1  0.500  0.000  0.000  1.0
  Ti  Ti13  1  0.490  0.012  0.251  1.0
  Ti  Ti14  1  0.990  0.488  0.749  1.0
  Ti  Ti15  1  0.010  0.512  0.251  1.0
  O  O16  1  0.052  0.502  0.875  1.0
  O  O17  1  0.081  0.486  0.368  1.0
  O  O18  1  0.243  0.236  0.232  1.0
  O  O19  1  0.239  0.248  0.730  1.0
  O  O20  1  0.246  0.246  0.013  1.0
  O  O21  1  0.232  0.232  0.524  1.0
  O  O22  1  0.257  0.736  0.232  1.0
  O  O23  1  0.254  0.746  0.013  1.0
  O  O24  1  0.261  0.748  0.730  1.0
  O  O25  1  0.268  0.732  0.524  1.0
  O  O26  1  0.448  0.002  0.875  1.0
  O  O27  1  0.419  0.986  0.368  1.0
  O  O28  1  0.581  0.014  0.632  1.0
  O  O29  1  0.552  0.998  0.125  1.0
  O  O30  1  0.739  0.252  0.270  1.0
  O  O31  1  0.743  0.264  0.768  1.0
  O  O32  1  0.746  0.254  0.987  1.0
  O  O33  1  0.732  0.268  0.476  1.0
  O  O34  1  0.754  0.754  0.987  1.0
  O  O35  1  0.768  0.768  0.476  1.0
  O  O36  1  0.757  0.764  0.768  1.0
  O  O37  1  0.761  0.752  0.270  1.0
  O  O38  1  0.948  0.498  0.125  1.0
  O  O39  1  0.919  0.514  0.632  1.0
[/CIF]
.