The material structure described by TbLa3(PO4)4 crystallizes in the triclinic P1 space group. Tb(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(12), one O(13), one O(16), one O(2), one O(5), one O(7), and one O(9) atom. There are three 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(11), one O(14), one O(15), one O(2), one O(6), one O(8), and one O(9) atom. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(10), one O(11), one O(12), one O(14), one O(15), one O(3), one O(4), one O(5), and one O(7) atom. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(11), one O(12), one O(13), one O(16), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(13), one O(5), and one O(9) atom. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(10), one O(14), one O(2), and one O(6) atom. In the third P site, P(3) is bonded in a tetrahedral geometry to one O(11), one O(15), one O(3), and one O(7) atom. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one O(12), one O(16), one O(4), and one O(8) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Tb(1), one La(1), and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Tb(1), one La(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(2), one La(3), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one La(2), one La(3), and one P(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Tb(1), one La(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(1), one La(3), and one P(2) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Tb(1), one La(2), and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one La(1), one La(3), and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Tb(1), one La(1), one La(3), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Tb(1), one La(1), one La(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one La(1), one La(2), one La(3), and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Tb(1), one La(2), one La(3), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Tb(1), one La(3), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Tb(1), one La(3), and one P(4) atom. is represented by the CIF file [CIF]
data_La3Tb(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.490
_cell_length_b   6.883
_cell_length_c   7.066
_cell_angle_alpha   90.052
_cell_angle_beta   90.539
_cell_angle_gamma   103.742
_symmetry_Int_Tables_number   1
_cell_volume   306.578
_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  0.900  0.717  0.841  1.0
  La  La1  1  0.600  0.782  0.340  1.0
  La  La2  1  0.101  0.283  0.160  1.0
  Tb  Tb3  1  0.407  0.207  0.656  1.0
  P  P4  1  0.889  0.197  0.664  1.0
  P  P5  1  0.388  0.697  0.834  1.0
  P  P6  1  0.113  0.807  0.339  1.0
  P  P7  1  0.610  0.302  0.162  1.0
  O  O8  1  0.781  0.369  0.712  1.0
  O  O9  1  0.296  0.878  0.781  1.0
  O  O10  1  0.212  0.631  0.287  1.0
  O  O11  1  0.710  0.127  0.213  1.0
  O  O12  1  0.691  0.029  0.606  1.0
  O  O13  1  0.191  0.533  0.893  1.0
  O  O14  1  0.305  0.977  0.401  1.0
  O  O15  1  0.803  0.474  0.109  1.0
  O  O16  1  0.003  0.119  0.834  1.0
  O  O17  1  0.498  0.612  0.667  1.0
  O  O18  1  0.999  0.883  0.168  1.0
  O  O19  1  0.495  0.373  0.334  1.0
  O  O20  1  0.066  0.252  0.514  1.0
  O  O21  1  0.558  0.752  0.992  1.0
  O  O22  1  0.942  0.749  0.493  1.0
  O  O23  1  0.443  0.250  1.000  1.0
[/CIF]
.
The material structure described by TbLa3(PO4)4 crystallizes in the triclinic P1 space group. Tb(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(12), one O(13), one O(16), one O(2), one O(5), one O(7), and one O(9) atom. There are three 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(11), one O(14), one O(15), one O(2), one O(6), one O(8), and one O(9) atom. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(10), one O(11), one O(12), one O(14), one O(15), one O(3), one O(4), one O(5), and one O(7) atom. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(11), one O(12), one O(13), one O(16), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(13), one O(5), and one O(9) atom. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(10), one O(14), one O(2), and one O(6) atom. In the third P site, P(3) is bonded in a tetrahedral geometry to one O(11), one O(15), one O(3), and one O(7) atom. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one O(12), one O(16), one O(4), and one O(8) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Tb(1), one La(1), and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Tb(1), one La(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(2), one La(3), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one La(2), one La(3), and one P(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Tb(1), one La(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(1), one La(3), and one P(2) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Tb(1), one La(2), and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one La(1), one La(3), and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Tb(1), one La(1), one La(3), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Tb(1), one La(1), one La(2), and one P(2) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one La(1), one La(2), one La(3), and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Tb(1), one La(2), one La(3), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Tb(1), one La(3), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Tb(1), one La(3), and one P(4) atom. is represented by the CIF file [CIF]
data_La3Tb(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.490
_cell_length_b   6.883
_cell_length_c   7.066
_cell_angle_alpha   90.052
_cell_angle_beta   90.539
_cell_angle_gamma   103.742
_symmetry_Int_Tables_number   1
_cell_volume   306.578
_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  0.900  0.717  0.841  1.0
  La  La1  1  0.600  0.782  0.340  1.0
  La  La2  1  0.101  0.283  0.160  1.0
  Tb  Tb3  1  0.407  0.207  0.656  1.0
  P  P4  1  0.889  0.197  0.664  1.0
  P  P5  1  0.388  0.697  0.834  1.0
  P  P6  1  0.113  0.807  0.339  1.0
  P  P7  1  0.610  0.302  0.162  1.0
  O  O8  1  0.781  0.369  0.712  1.0
  O  O9  1  0.296  0.878  0.781  1.0
  O  O10  1  0.212  0.631  0.287  1.0
  O  O11  1  0.710  0.127  0.213  1.0
  O  O12  1  0.691  0.029  0.606  1.0
  O  O13  1  0.191  0.533  0.893  1.0
  O  O14  1  0.305  0.977  0.401  1.0
  O  O15  1  0.803  0.474  0.109  1.0
  O  O16  1  0.003  0.119  0.834  1.0
  O  O17  1  0.498  0.612  0.667  1.0
  O  O18  1  0.999  0.883  0.168  1.0
  O  O19  1  0.495  0.373  0.334  1.0
  O  O20  1  0.066  0.252  0.514  1.0
  O  O21  1  0.558  0.752  0.992  1.0
  O  O22  1  0.942  0.749  0.493  1.0
  O  O23  1  0.443  0.250  1.000  1.0
[/CIF]
.