The material structure described by SrLa4TiAl4O15 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Cmmm space group. Sr(1) is bonded to two equivalent O(4), two equivalent O(6), and eight equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with two equivalent Sr(1)O12 cuboctahedra, corners with two equivalent La(2)O12 cuboctahedra, corners with eight equivalent La(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(5), one O(6), two equivalent O(4), four equivalent O(1), and four equivalent O(3) atoms to form LaO12 cuboctahedra that share corners with three equivalent La(1)O12 cuboctahedra, corners with four equivalent Sr(1)O12 cuboctahedra, corners with five equivalent La(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with two equivalent La(2)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. In the second La site, La(2) is bonded to one O(4), three equivalent O(5), four equivalent O(1), and four equivalent O(2) atoms to form LaO12 cuboctahedra that share  a cornercorner with one Sr(1)O12 cuboctahedra, corners with five equivalent La(1)O12 cuboctahedra, corners with six equivalent La(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Al(1)O6 octahedra, and faces with six equivalent Al(2)O6 octahedra. Ti(1) is bonded to two equivalent O(6) and four equivalent O(3) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with four equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form AlO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(2)O12 cuboctahedra, and faces with four equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the second Al site, Al(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form AlO6 octahedra that share corners with two equivalent Al(1)O6 octahedra, corners with four equivalent Al(2)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with six equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are six inequivalent O sites. In the first O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent Ti(1) atoms. In the second O site, O(1) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Al(1), and one Al(2) atom. In the third O site, O(2) is bonded in a distorted linear geometry to four equivalent La(2) and two equivalent Al(2) atoms. In the fourth O site, O(3) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent La(1), one Ti(1), and one Al(1) atom. In the fifth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one La(2), two equivalent La(1), and two equivalent Al(1) atoms. In the sixth O site, O(5) is bonded to one La(1), three equivalent La(2), and two equivalent Al(2) atoms to form a mixture of distorted edge and corner-sharing OLa4Al2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrLa4TiAl4O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.847
_cell_length_b   13.847
_cell_length_c   3.852
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   157.425
_symmetry_Int_Tables_number   1
_cell_volume   283.514
_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
  Sr  Sr0  1  0.000  0.000  0.000  1.0
  La  La1  1  0.602  0.398  0.000  1.0
  La  La2  1  0.200  0.800  0.000  1.0
  La  La3  1  0.800  0.200  0.000  1.0
  La  La4  1  0.398  0.602  0.000  1.0
  Ti  Ti5  1  0.500  0.500  0.500  1.0
  Al  Al6  1  0.101  0.899  0.500  1.0
  Al  Al7  1  0.700  0.300  0.500  1.0
  Al  Al8  1  0.300  0.700  0.500  1.0
  Al  Al9  1  0.899  0.101  0.500  1.0
  O  O10  1  0.101  0.402  0.500  1.0
  O  O11  1  0.899  0.598  0.500  1.0
  O  O12  1  0.500  0.000  0.500  1.0
  O  O13  1  0.695  0.800  0.500  1.0
  O  O14  1  0.305  0.200  0.500  1.0
  O  O15  1  0.200  0.305  0.500  1.0
  O  O16  1  0.000  0.500  0.500  1.0
  O  O17  1  0.598  0.899  0.500  1.0
  O  O18  1  0.800  0.695  0.500  1.0
  O  O19  1  0.402  0.101  0.500  1.0
  O  O20  1  0.898  0.102  0.000  1.0
  O  O21  1  0.700  0.300  0.000  1.0
  O  O22  1  0.300  0.700  0.000  1.0
  O  O23  1  0.500  0.500  0.000  1.0
  O  O24  1  0.102  0.898  0.000  1.0
[/CIF]
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The material structure described by SrLa4TiAl4O15 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Cmmm space group. Sr(1) is bonded to two equivalent O(4), two equivalent O(6), and eight equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with two equivalent Sr(1)O12 cuboctahedra, corners with two equivalent La(2)O12 cuboctahedra, corners with eight equivalent La(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(5), one O(6), two equivalent O(4), four equivalent O(1), and four equivalent O(3) atoms to form LaO12 cuboctahedra that share corners with three equivalent La(1)O12 cuboctahedra, corners with four equivalent Sr(1)O12 cuboctahedra, corners with five equivalent La(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with two equivalent La(2)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. In the second La site, La(2) is bonded to one O(4), three equivalent O(5), four equivalent O(1), and four equivalent O(2) atoms to form LaO12 cuboctahedra that share  a cornercorner with one Sr(1)O12 cuboctahedra, corners with five equivalent La(1)O12 cuboctahedra, corners with six equivalent La(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Al(1)O6 octahedra, and faces with six equivalent Al(2)O6 octahedra. Ti(1) is bonded to two equivalent O(6) and four equivalent O(3) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with four equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form AlO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(2)O12 cuboctahedra, and faces with four equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the second Al site, Al(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form AlO6 octahedra that share corners with two equivalent Al(1)O6 octahedra, corners with four equivalent Al(2)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with six equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are six inequivalent O sites. In the first O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent Ti(1) atoms. In the second O site, O(1) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Al(1), and one Al(2) atom. In the third O site, O(2) is bonded in a distorted linear geometry to four equivalent La(2) and two equivalent Al(2) atoms. In the fourth O site, O(3) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent La(1), one Ti(1), and one Al(1) atom. In the fifth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one La(2), two equivalent La(1), and two equivalent Al(1) atoms. In the sixth O site, O(5) is bonded to one La(1), three equivalent La(2), and two equivalent Al(2) atoms to form a mixture of distorted edge and corner-sharing OLa4Al2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrLa4TiAl4O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.847
_cell_length_b   13.847
_cell_length_c   3.852
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   157.425
_symmetry_Int_Tables_number   1
_cell_volume   283.514
_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
  Sr  Sr0  1  0.000  0.000  0.000  1.0
  La  La1  1  0.602  0.398  0.000  1.0
  La  La2  1  0.200  0.800  0.000  1.0
  La  La3  1  0.800  0.200  0.000  1.0
  La  La4  1  0.398  0.602  0.000  1.0
  Ti  Ti5  1  0.500  0.500  0.500  1.0
  Al  Al6  1  0.101  0.899  0.500  1.0
  Al  Al7  1  0.700  0.300  0.500  1.0
  Al  Al8  1  0.300  0.700  0.500  1.0
  Al  Al9  1  0.899  0.101  0.500  1.0
  O  O10  1  0.101  0.402  0.500  1.0
  O  O11  1  0.899  0.598  0.500  1.0
  O  O12  1  0.500  0.000  0.500  1.0
  O  O13  1  0.695  0.800  0.500  1.0
  O  O14  1  0.305  0.200  0.500  1.0
  O  O15  1  0.200  0.305  0.500  1.0
  O  O16  1  0.000  0.500  0.500  1.0
  O  O17  1  0.598  0.899  0.500  1.0
  O  O18  1  0.800  0.695  0.500  1.0
  O  O19  1  0.402  0.101  0.500  1.0
  O  O20  1  0.898  0.102  0.000  1.0
  O  O21  1  0.700  0.300  0.000  1.0
  O  O22  1  0.300  0.700  0.000  1.0
  O  O23  1  0.500  0.500  0.000  1.0
  O  O24  1  0.102  0.898  0.000  1.0
[/CIF]
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