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K8ZrTa7O24

Alexandria ALEX

Alex-ID: agm011050263 · Space group: R3m (#160)

Basic Information

Formula
K8ZrTa7O24
Alex-ID
agm011050263
Elements
4
Sites
40
Space group
R3m (#160)
Crystal system
trigonal
Volume
536.04
ų
Cell a
8.1233
Å
Cell b
8.1233
Å
Cell c
8.1233
Å
α angle
89.97
°
β angle
89.97
°
γ angle
89.97
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K8ZrTa7O24
K
8.00 · 20.0%
Zr
1.00 · 2.5%
Ta
7.00 · 17.5%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0114
eV/atom
Formation energy
-3.0529
eV/atom
Corrected total energy
-341.4451
eV
Raw total energy
-324.5901
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
17.8018
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB7C8D24_0_spg221

Decomposition

K4Zr5O12 K3TaO4 KO4 KTaO3

Computed at

2024-07-26 06:56:07.226834

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: agm011050263).

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 agm011050263
data_agm011050263
_cell_length_a     8.12330
_cell_length_b     8.12330
_cell_length_c     8.12330
_cell_angle_alpha  89.96925
_cell_angle_beta   89.96925
_cell_angle_gamma  89.96925
_cell_volume       536.03932
_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 0.24853 0.24853 0.74824 1.00000
  K2 K 0.24837 0.74830 0.74830 1.00000
  K3 K 0.74830 0.24837 0.74830 1.00000
  K4 K 0.74848 0.74848 0.74848 1.00000
  K5 K 0.74830 0.74830 0.24837 1.00000
  K6 K 0.24853 0.24853 0.24853 1.00000
  K7 K 0.24853 0.74824 0.24853 1.00000
  K8 K 0.74824 0.24853 0.24853 1.00000
  Zr1 Zr 0.50070 0.50070 0.50070 1.00000
  Ta1 Ta 0.99458 0.99458 0.99458 1.00000
  Ta2 Ta 0.99498 0.99498 0.49419 1.00000
  Ta3 Ta 0.99498 0.49419 0.99498 1.00000
  Ta4 Ta 0.00068 0.49418 0.49418 1.00000
  Ta5 Ta 0.49419 0.99498 0.99498 1.00000
  Ta6 Ta 0.49418 0.00068 0.49418 1.00000
  Ta7 Ta 0.49418 0.49418 0.00068 1.00000
  O1 O 0.25200 0.00162 0.00162 1.00000
  O2 O 0.25058 0.00149 0.50112 1.00000
  O3 O 0.25058 0.50112 0.00149 1.00000
  O4 O 0.24239 0.50290 0.50290 1.00000
  O5 O 0.75293 0.00159 0.00159 1.00000
  O6 O 0.75377 0.00133 0.50110 1.00000
  O7 O 0.75377 0.50110 0.00133 1.00000
  O8 O 0.76067 0.50291 0.50291 1.00000
  O9 O 0.00162 0.25200 0.00162 1.00000
  O10 O 0.00149 0.25058 0.50112 1.00000
  O11 O 0.00159 0.75293 0.00159 1.00000
  O12 O 0.00133 0.75377 0.50110 1.00000
  O13 O 0.50112 0.25058 0.00149 1.00000
  O14 O 0.50290 0.24239 0.50290 1.00000
  O15 O 0.50110 0.75377 0.00133 1.00000
  O16 O 0.50291 0.76067 0.50291 1.00000
  O17 O 0.00159 0.00159 0.75293 1.00000
  O18 O 0.00162 0.00162 0.25200 1.00000
  O19 O 0.00133 0.50110 0.75377 1.00000
  O20 O 0.00149 0.50112 0.25058 1.00000
  O21 O 0.50110 0.00133 0.75377 1.00000
  O22 O 0.50112 0.00149 0.25058 1.00000
  O23 O 0.50291 0.50291 0.76067 1.00000
  O24 O 0.50290 0.50290 0.24239 1.00000
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