The compound described by Sr3LaTaAl3O12 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(2), one O(3), two equivalent O(1), four equivalent O(4), and four equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(2), one O(3), two equivalent O(1), two equivalent O(4), two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. La(1) is bonded to one O(2), one O(3), two equivalent O(1), four equivalent O(6), and four equivalent O(7) atoms to form LaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. Ta(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form TaO6 octahedra that share corners with two equivalent Ta(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-4°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(4), one O(5), one O(6), one O(7), and two equivalent O(1) atoms to form AlO6 octahedra that share corners with two equivalent Ta(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(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-4°. In the second Al site, Al(2) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(7) atoms to form AlO6 octahedra that share corners with two equivalent Al(2)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), two equivalent Sr(2), one La(1), and two equivalent Al(1) atoms. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(1), two equivalent Sr(2), one La(1), and two equivalent Ta(1) atoms. In the third O site, O(3) is bonded to one Sr(1), two equivalent Sr(2), one La(1), and two equivalent Al(2) atoms to form distorted OSr3LaAl2 octahedra that share corners with two equivalent O(3)Sr3LaAl2 octahedra, faces with four equivalent O(7)Sr2La2Al2 octahedra, and faces with four equivalent O(5)Sr4Al2 octahedra. The corner-sharing octahedral tilt angles are 5°. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(2), one Ta(1), and one Al(1) atom. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Al(1), and one Al(2) atom to form distorted OSr4Al2 octahedra that share corners with two equivalent O(5)Sr4Al2 octahedra, corners with four equivalent O(7)Sr2La2Al2 octahedra, edges with two equivalent O(5)Sr4Al2 octahedra,  a faceface with one O(7)Sr2La2Al2 octahedra,  a faceface with one O(5)Sr4Al2 octahedra, and faces with two equivalent O(3)Sr3LaAl2 octahedra. The corner-sharing octahedral tilt angles range from 2-56°. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(2), two equivalent La(1), one Ta(1), and one Al(1) atom. In the seventh O site, O(7) is bonded to two equivalent Sr(2), two equivalent La(1), one Al(1), and one Al(2) atom to form distorted OSr2La2Al2 octahedra that share corners with two equivalent O(7)Sr2La2Al2 octahedra, corners with four equivalent O(5)Sr4Al2 octahedra, edges with two equivalent O(7)Sr2La2Al2 octahedra,  a faceface with one O(7)Sr2La2Al2 octahedra,  a faceface with one O(5)Sr4Al2 octahedra, and faces with two equivalent O(3)Sr3LaAl2 octahedra. The corner-sharing octahedral tilt angles range from 2-56°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr3LaTaAl3O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.757
_cell_length_b   7.757
_cell_length_c   3.918
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.222
_symmetry_Int_Tables_number   1
_cell_volume   235.744
_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  0.737  0.263  0.000  1.0
  Sr  Sr1  1  0.262  0.261  0.000  1.0
  Sr  Sr2  1  0.739  0.738  0.000  1.0
  La  La3  1  0.265  0.735  0.000  1.0
  Ta  Ta4  1  0.998  0.002  0.500  1.0
  Al  Al5  1  0.500  0.002  0.500  1.0
  Al  Al6  1  0.998  0.500  0.500  1.0
  Al  Al7  1  0.503  0.497  0.500  1.0
  O  O8  1  0.496  0.995  0.000  1.0
  O  O9  1  0.003  0.997  0.000  1.0
  O  O10  1  0.495  0.505  0.000  1.0
  O  O11  1  0.005  0.504  0.000  1.0
  O  O12  1  0.002  0.255  0.500  1.0
  O  O13  1  0.499  0.251  0.500  1.0
  O  O14  1  0.005  0.746  0.500  1.0
  O  O15  1  0.492  0.750  0.500  1.0
  O  O16  1  0.745  0.998  0.500  1.0
  O  O17  1  0.254  0.995  0.500  1.0
  O  O18  1  0.749  0.501  0.500  1.0
  O  O19  1  0.250  0.508  0.500  1.0
[/CIF]
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The compound described by Sr3LaTaAl3O12 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(2), one O(3), two equivalent O(1), four equivalent O(4), and four equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(2), one O(3), two equivalent O(1), two equivalent O(4), two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. La(1) is bonded to one O(2), one O(3), two equivalent O(1), four equivalent O(6), and four equivalent O(7) atoms to form LaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Al(2)O6 octahedra, and faces with four equivalent Al(1)O6 octahedra. Ta(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form TaO6 octahedra that share corners with two equivalent Ta(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-4°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(4), one O(5), one O(6), one O(7), and two equivalent O(1) atoms to form AlO6 octahedra that share corners with two equivalent Ta(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(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-4°. In the second Al site, Al(2) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(7) atoms to form AlO6 octahedra that share corners with two equivalent Al(2)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), two equivalent Sr(2), one La(1), and two equivalent Al(1) atoms. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(1), two equivalent Sr(2), one La(1), and two equivalent Ta(1) atoms. In the third O site, O(3) is bonded to one Sr(1), two equivalent Sr(2), one La(1), and two equivalent Al(2) atoms to form distorted OSr3LaAl2 octahedra that share corners with two equivalent O(3)Sr3LaAl2 octahedra, faces with four equivalent O(7)Sr2La2Al2 octahedra, and faces with four equivalent O(5)Sr4Al2 octahedra. The corner-sharing octahedral tilt angles are 5°. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(2), one Ta(1), and one Al(1) atom. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Al(1), and one Al(2) atom to form distorted OSr4Al2 octahedra that share corners with two equivalent O(5)Sr4Al2 octahedra, corners with four equivalent O(7)Sr2La2Al2 octahedra, edges with two equivalent O(5)Sr4Al2 octahedra,  a faceface with one O(7)Sr2La2Al2 octahedra,  a faceface with one O(5)Sr4Al2 octahedra, and faces with two equivalent O(3)Sr3LaAl2 octahedra. The corner-sharing octahedral tilt angles range from 2-56°. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(2), two equivalent La(1), one Ta(1), and one Al(1) atom. In the seventh O site, O(7) is bonded to two equivalent Sr(2), two equivalent La(1), one Al(1), and one Al(2) atom to form distorted OSr2La2Al2 octahedra that share corners with two equivalent O(7)Sr2La2Al2 octahedra, corners with four equivalent O(5)Sr4Al2 octahedra, edges with two equivalent O(7)Sr2La2Al2 octahedra,  a faceface with one O(7)Sr2La2Al2 octahedra,  a faceface with one O(5)Sr4Al2 octahedra, and faces with two equivalent O(3)Sr3LaAl2 octahedra. The corner-sharing octahedral tilt angles range from 2-56°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr3LaTaAl3O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.757
_cell_length_b   7.757
_cell_length_c   3.918
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.222
_symmetry_Int_Tables_number   1
_cell_volume   235.744
_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  0.737  0.263  0.000  1.0
  Sr  Sr1  1  0.262  0.261  0.000  1.0
  Sr  Sr2  1  0.739  0.738  0.000  1.0
  La  La3  1  0.265  0.735  0.000  1.0
  Ta  Ta4  1  0.998  0.002  0.500  1.0
  Al  Al5  1  0.500  0.002  0.500  1.0
  Al  Al6  1  0.998  0.500  0.500  1.0
  Al  Al7  1  0.503  0.497  0.500  1.0
  O  O8  1  0.496  0.995  0.000  1.0
  O  O9  1  0.003  0.997  0.000  1.0
  O  O10  1  0.495  0.505  0.000  1.0
  O  O11  1  0.005  0.504  0.000  1.0
  O  O12  1  0.002  0.255  0.500  1.0
  O  O13  1  0.499  0.251  0.500  1.0
  O  O14  1  0.005  0.746  0.500  1.0
  O  O15  1  0.492  0.750  0.500  1.0
  O  O16  1  0.745  0.998  0.500  1.0
  O  O17  1  0.254  0.995  0.500  1.0
  O  O18  1  0.749  0.501  0.500  1.0
  O  O19  1  0.250  0.508  0.500  1.0
[/CIF]
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