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K3Tb(PO4)2

Alexandria ALEX

Alex-ID: agm011669722 · Space group: P-3 (#147)

Basic Information

Formula
K3Tb(PO4)2
Alex-ID
agm011669722
Elements
4
Sites
42
Space group
P-3 (#147)
Crystal system
trigonal
Volume
660.93
ų
Cell a
9.8075
Å
Cell b
9.8075
Å
Cell c
7.9343
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3Tb(PO4)2
K
9.00 · 21.4%
Tb
3.00 · 7.1%
P
6.00 · 14.3%
O
24.00 · 57.1%

Energy & Stability

Energy above hull
0.0001
eV/atom
Formation energy
-2.9896
eV/atom
Corrected total energy
-300.8378
eV
Raw total energy
-283.9829
eV

Electronic Structure

Indirect band gap
4.8704
eV
Direct band gap
4.9188
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0018
μB

Additional Information

Prototype ID

AB2C3D8_21_spg1

Decomposition

K3Tb(PO4)2

Computed at

2024-12-06 01:14:45

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm011669722).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm011669722
data_agm011669722
_cell_length_a     9.80752
_cell_length_b     9.80752
_cell_length_c     7.93425
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       660.92938
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  K1 K 0.33401 0.33397 0.26057 1.00000
  K2 K 0.99996 0.66599 0.26057 1.00000
  K3 K 0.66603 0.00004 0.26057 1.00000
  K4 K 0.66599 0.66603 0.73943 1.00000
  K5 K 0.00004 0.33401 0.73943 1.00000
  K6 K 0.33397 0.99996 0.73943 1.00000
  K7 K 0.33333 0.66667 0.50468 1.00000
  K8 K 0.66667 0.33333 0.49532 1.00000
  K9 K 0.00000 0.00000 0.50000 1.00000
  Tb1 Tb 0.33333 0.66667 0.03495 1.00000
  Tb2 Tb 0.66667 0.33333 0.96505 1.00000
  Tb3 Tb 0.00000 0.00000 0.00000 1.00000
  P1 P 0.32708 0.34125 0.76669 1.00000
  P2 P 0.01417 0.67292 0.76669 1.00000
  P3 P 0.65875 0.98583 0.76669 1.00000
  P4 P 0.67292 0.65875 0.23331 1.00000
  P5 P 0.98583 0.32708 0.23331 1.00000
  P6 P 0.34125 0.01417 0.23331 1.00000
  O1 O 0.33639 0.47463 0.88366 1.00000
  O2 O 0.13824 0.66361 0.88366 1.00000
  O3 O 0.52537 0.86176 0.88366 1.00000
  O4 O 0.66361 0.52537 0.11634 1.00000
  O5 O 0.86176 0.33639 0.11634 1.00000
  O6 O 0.47463 0.13824 0.11634 1.00000
  O7 O 0.48360 0.33658 0.78462 1.00000
  O8 O 0.85298 0.51640 0.78462 1.00000
  O9 O 0.66342 0.14702 0.78462 1.00000
  O10 O 0.51640 0.66342 0.21538 1.00000
  O11 O 0.14702 0.48360 0.21538 1.00000
  O12 O 0.33658 0.85298 0.21538 1.00000
  O13 O 0.18770 0.17914 0.82701 1.00000
  O14 O 0.99144 0.81230 0.82701 1.00000
  O15 O 0.82086 0.00856 0.82701 1.00000
  O16 O 0.81230 0.82086 0.17299 1.00000
  O17 O 0.00856 0.18770 0.17299 1.00000
  O18 O 0.17914 0.99144 0.17299 1.00000
  O19 O 0.37320 0.07563 0.41459 1.00000
  O20 O 0.92437 0.29757 0.41459 1.00000
  O21 O 0.70243 0.62680 0.41459 1.00000
  O22 O 0.62680 0.92437 0.58541 1.00000
  O23 O 0.07563 0.70243 0.58541 1.00000
  O24 O 0.29757 0.37320 0.58541 1.00000
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