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K3ThTa2Nb2O12

Alexandria ALEX

Alex-ID: agm010741979 · Space group: P4_2/nnm (#134)

Basic Information

Formula
K3ThTa2Nb2O12
Alex-ID
agm010741979
Elements
5
Sites
40
Space group
P4_2/nnm (#134)
Crystal system
tetragonal
Volume
532.23
ų
Cell a
8.1614
Å
Cell b
8.1614
Å
Cell c
7.9904
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3ThTa2Nb2O12
K
6.00 · 15.0%
Th
2.00 · 5.0%
Ta
4.00 · 10.0%
Nb
4.00 · 10.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0921
eV/atom
Formation energy
-3.0557
eV/atom
Corrected total energy
-350.3720
eV
Raw total energy
-333.5171
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0002
eV
DOS at Fermi level
14.9690
Total magnetisation
0.0018
μB

Additional Information

Prototype ID

AB2C2D3E12_7_spg201

Decomposition

KTaO3 KNb4O6 KNbO3 ThO2

Computed at

2024-07-23 00:08:35.247599

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: agm010741979).

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 agm010741979
data_agm010741979
_cell_length_a     8.16142
_cell_length_b     8.16142
_cell_length_c     7.99040
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       532.23136
_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 0.50000 0.00000 0.50000 1.00000
  K2 K 0.00000 0.00000 0.50000 1.00000
  K3 K 0.50000 0.50000 0.00000 1.00000
  K4 K 0.00000 0.50000 0.00000 1.00000
  K5 K 0.00000 0.50000 0.50000 1.00000
  K6 K 0.50000 0.00000 0.00000 1.00000
  Th1 Th 0.50000 0.50000 0.50000 1.00000
  Th2 Th 0.00000 0.00000 0.00000 1.00000
  Ta1 Ta 0.75000 0.75000 0.75000 1.00000
  Ta2 Ta 0.75000 0.25000 0.25000 1.00000
  Ta3 Ta 0.25000 0.25000 0.75000 1.00000
  Ta4 Ta 0.25000 0.75000 0.25000 1.00000
  Nb1 Nb 0.75000 0.25000 0.75000 1.00000
  Nb2 Nb 0.75000 0.75000 0.25000 1.00000
  Nb3 Nb 0.25000 0.75000 0.75000 1.00000
  Nb4 Nb 0.25000 0.25000 0.25000 1.00000
  O1 O 0.50274 0.73891 0.71688 1.00000
  O2 O 0.49726 0.73891 0.28312 1.00000
  O3 O 0.73379 0.73379 0.99797 1.00000
  O4 O 0.76109 0.99726 0.78312 1.00000
  O5 O 0.76109 0.00274 0.21688 1.00000
  O6 O 0.73379 0.26621 0.00203 1.00000
  O7 O 0.76621 0.23379 0.49797 1.00000
  O8 O 0.73891 0.49726 0.28312 1.00000
  O9 O 0.73891 0.50274 0.71688 1.00000
  O10 O 0.00274 0.23891 0.78312 1.00000
  O11 O 0.99726 0.23891 0.21688 1.00000
  O12 O 0.76621 0.76621 0.50203 1.00000
  O13 O 0.26621 0.26621 0.99797 1.00000
  O14 O 0.00274 0.76109 0.21688 1.00000
  O15 O 0.99726 0.76109 0.78312 1.00000
  O16 O 0.26109 0.49726 0.71688 1.00000
  O17 O 0.26109 0.50274 0.28312 1.00000
  O18 O 0.26621 0.73379 0.00203 1.00000
  O19 O 0.23379 0.76621 0.49797 1.00000
  O20 O 0.23891 0.99726 0.21688 1.00000
  O21 O 0.23891 0.00274 0.78312 1.00000
  O22 O 0.23379 0.23379 0.50203 1.00000
  O23 O 0.50274 0.26109 0.28312 1.00000
  O24 O 0.49726 0.26109 0.71688 1.00000
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