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KTa(PO4)2

Alexandria ALEX

Alex-ID: agm004875139 · Space group: R-3m (#166)

Basic Information

Formula
KTa(PO4)2
Alex-ID
agm004875139
Elements
4
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
203.45
ų
Cell a
5.2477
Å
Cell b
5.2477
Å
Cell c
9.0529
Å
α angle
73.15
°
β angle
73.15
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KTa(PO4)2
K
1.00 · 8.3%
Ta
1.00 · 8.3%
P
2.00 · 16.7%
O
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0187
eV/atom
Formation energy
-2.9229
eV/atom
Corrected total energy
-98.5151
eV
Raw total energy
-92.8968
eV

Electronic Structure

Indirect band gap
3.2985
eV
Direct band gap
3.3341
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_324_spg148

Decomposition

KTa(PO4)2

Computed at

2023-01-05 06:00:30.434728

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: agm004875139).

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 agm004875139
data_agm004875139
_cell_length_a     5.24768
_cell_length_b     5.24768
_cell_length_c     9.05286
_cell_angle_alpha  73.15189
_cell_angle_beta   73.15189
_cell_angle_gamma  60.00000
_cell_volume       203.44916
_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 0.00000 0.00000 0.00000 1.00000
  Ta1 Ta 0.50000 0.50000 0.50000 1.00000
  P1 P 0.76414 0.76414 0.70757 1.00000
  P2 P 0.23586 0.23586 0.29243 1.00000
  O1 O 0.70589 0.70589 0.88232 1.00000
  O2 O 0.29411 0.29411 0.11768 1.00000
  O3 O 0.36977 0.36975 0.36468 1.00000
  O4 O 0.63025 0.63023 0.63532 1.00000
  O5 O 0.10420 0.63025 0.63532 1.00000
  O6 O 0.36975 0.89580 0.36468 1.00000
  O7 O 0.89580 0.36977 0.36468 1.00000
  O8 O 0.63023 0.10420 0.63532 1.00000
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