The crystal structure described by TlSrLa(AsO4)2 is Zircon-derived structured and crystallizes in the trigonal P3_2 space group. The structure consists of three 7440-28-0 atoms inside a SrLa(AsO4)2 framework. In the SrLa(AsO4)2 framework, Sr(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form distorted SrO8 hexagonal bipyramids that share corners with two equivalent As(1)O4 tetrahedra, corners with two equivalent As(2)O4 tetrahedra, edges with four equivalent La(1)O8 hexagonal bipyramids,  an edgeedge with one As(1)O4 tetrahedra, and  an edgeedge with one As(2)O4 tetrahedra. La(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form distorted LaO8 hexagonal bipyramids that share corners with two equivalent As(1)O4 tetrahedra, corners with two equivalent As(2)O4 tetrahedra, edges with four equivalent Sr(1)O8 hexagonal bipyramids,  an edgeedge with one As(1)O4 tetrahedra, and  an edgeedge with one As(2)O4 tetrahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form AsO4 tetrahedra that share corners with two equivalent Sr(1)O8 hexagonal bipyramids, corners with two equivalent La(1)O8 hexagonal bipyramids,  an edgeedge with one Sr(1)O8 hexagonal bipyramid, and  an edgeedge with one La(1)O8 hexagonal bipyramid. In the second As site, As(2) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form AsO4 tetrahedra that share corners with two equivalent Sr(1)O8 hexagonal bipyramids, corners with two equivalent La(1)O8 hexagonal bipyramids,  an edgeedge with one Sr(1)O8 hexagonal bipyramid, and  an edgeedge with one La(1)O8 hexagonal bipyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. is represented by the CIF card [CIF]
data_SrLaTl(AsO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.485
_cell_length_b   7.485
_cell_length_c   13.805
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   669.891
_cell_formula_units_Z   3
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  0.503  1.000  0.415  1.0
  Sr  Sr1  1  0.496  0.497  0.748  1.0
  Sr  Sr2  1  0.000  0.504  0.082  1.0
  La  La3  1  0.500  0.001  0.918  1.0
  La  La4  1  0.500  0.500  0.251  1.0
  La  La5  1  0.999  0.500  0.584  1.0
  Tl  Tl6  1  0.003  0.013  0.141  1.0
  Tl  Tl7  1  0.010  0.997  0.474  1.0
  Tl  Tl8  1  0.987  0.990  0.807  1.0
  As  As9  1  0.490  0.000  0.163  1.0
  As  As10  1  0.489  1.000  0.670  1.0
  As  As11  1  0.511  0.511  0.003  1.0
  As  As12  1  0.510  0.510  0.497  1.0
  As  As13  1  0.000  0.489  0.337  1.0
  As  As14  1  1.000  0.490  0.830  1.0
  O  O15  1  0.140  0.697  0.412  1.0
  O  O16  1  0.152  0.698  0.903  1.0
  O  O17  1  0.293  0.876  0.080  1.0
  O  O18  1  0.287  0.864  0.590  1.0
  O  O19  1  0.136  0.422  0.257  1.0
  O  O20  1  0.124  0.417  0.747  1.0
  O  O21  1  0.302  0.454  0.569  1.0
  O  O22  1  0.303  0.443  0.078  1.0
  O  O23  1  0.546  0.848  0.236  1.0
  O  O24  1  0.557  0.860  0.745  1.0
  O  O25  1  0.583  0.707  0.414  1.0
  O  O26  1  0.578  0.713  0.924  1.0
  O  O27  1  0.443  0.302  0.422  1.0
  O  O28  1  0.459  0.304  0.930  1.0
  O  O29  1  0.419  0.134  0.242  1.0
  O  O30  1  0.416  0.124  0.754  1.0
  O  O31  1  0.708  0.584  0.087  1.0
  O  O32  1  0.715  0.581  0.575  1.0
  O  O33  1  0.845  0.541  0.264  1.0
  O  O34  1  0.859  0.557  0.756  1.0
  O  O35  1  0.698  0.141  0.089  1.0
  O  O36  1  0.696  0.155  0.597  1.0
  O  O37  1  0.876  0.292  0.420  1.0
  O  O38  1  0.866  0.285  0.909  1.0
[/CIF]
.
The crystal structure described by TlSrLa(AsO4)2 is Zircon-derived structured and crystallizes in the trigonal P3_2 space group. The structure consists of three 7440-28-0 atoms inside a SrLa(AsO4)2 framework. In the SrLa(AsO4)2 framework, Sr(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form distorted SrO8 hexagonal bipyramids that share corners with two equivalent As(1)O4 tetrahedra, corners with two equivalent As(2)O4 tetrahedra, edges with four equivalent La(1)O8 hexagonal bipyramids,  an edgeedge with one As(1)O4 tetrahedra, and  an edgeedge with one As(2)O4 tetrahedra. La(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form distorted LaO8 hexagonal bipyramids that share corners with two equivalent As(1)O4 tetrahedra, corners with two equivalent As(2)O4 tetrahedra, edges with four equivalent Sr(1)O8 hexagonal bipyramids,  an edgeedge with one As(1)O4 tetrahedra, and  an edgeedge with one As(2)O4 tetrahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form AsO4 tetrahedra that share corners with two equivalent Sr(1)O8 hexagonal bipyramids, corners with two equivalent La(1)O8 hexagonal bipyramids,  an edgeedge with one Sr(1)O8 hexagonal bipyramid, and  an edgeedge with one La(1)O8 hexagonal bipyramid. In the second As site, As(2) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form AsO4 tetrahedra that share corners with two equivalent Sr(1)O8 hexagonal bipyramids, corners with two equivalent La(1)O8 hexagonal bipyramids,  an edgeedge with one Sr(1)O8 hexagonal bipyramid, and  an edgeedge with one La(1)O8 hexagonal bipyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), and one As(2) atom. is represented by the CIF card [CIF]
data_SrLaTl(AsO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.485
_cell_length_b   7.485
_cell_length_c   13.805
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   669.891
_cell_formula_units_Z   3
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  0.503  1.000  0.415  1.0
  Sr  Sr1  1  0.496  0.497  0.748  1.0
  Sr  Sr2  1  0.000  0.504  0.082  1.0
  La  La3  1  0.500  0.001  0.918  1.0
  La  La4  1  0.500  0.500  0.251  1.0
  La  La5  1  0.999  0.500  0.584  1.0
  Tl  Tl6  1  0.003  0.013  0.141  1.0
  Tl  Tl7  1  0.010  0.997  0.474  1.0
  Tl  Tl8  1  0.987  0.990  0.807  1.0
  As  As9  1  0.490  0.000  0.163  1.0
  As  As10  1  0.489  1.000  0.670  1.0
  As  As11  1  0.511  0.511  0.003  1.0
  As  As12  1  0.510  0.510  0.497  1.0
  As  As13  1  0.000  0.489  0.337  1.0
  As  As14  1  1.000  0.490  0.830  1.0
  O  O15  1  0.140  0.697  0.412  1.0
  O  O16  1  0.152  0.698  0.903  1.0
  O  O17  1  0.293  0.876  0.080  1.0
  O  O18  1  0.287  0.864  0.590  1.0
  O  O19  1  0.136  0.422  0.257  1.0
  O  O20  1  0.124  0.417  0.747  1.0
  O  O21  1  0.302  0.454  0.569  1.0
  O  O22  1  0.303  0.443  0.078  1.0
  O  O23  1  0.546  0.848  0.236  1.0
  O  O24  1  0.557  0.860  0.745  1.0
  O  O25  1  0.583  0.707  0.414  1.0
  O  O26  1  0.578  0.713  0.924  1.0
  O  O27  1  0.443  0.302  0.422  1.0
  O  O28  1  0.459  0.304  0.930  1.0
  O  O29  1  0.419  0.134  0.242  1.0
  O  O30  1  0.416  0.124  0.754  1.0
  O  O31  1  0.708  0.584  0.087  1.0
  O  O32  1  0.715  0.581  0.575  1.0
  O  O33  1  0.845  0.541  0.264  1.0
  O  O34  1  0.859  0.557  0.756  1.0
  O  O35  1  0.698  0.141  0.089  1.0
  O  O36  1  0.696  0.155  0.597  1.0
  O  O37  1  0.876  0.292  0.420  1.0
  O  O38  1  0.866  0.285  0.909  1.0
[/CIF]
.