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Ba8Hf3Ta4O24

Alexandria ALEX

Alex-ID: agm017142471 · Space group: P3m1 (#156)

Basic Information

Formula
Ba8Hf3Ta4O24
Alex-ID
agm017142471
Elements
4
Sites
39
Space group
P3m1 (#156)
Crystal system
trigonal
Volume
594.24
ų
Cell a
5.9304
Å
Cell b
5.9304
Å
Cell c
19.5102
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba8Hf3Ta4O24
Ba
8.00 · 20.5%
Hf
3.00 · 7.7%
Ta
4.00 · 10.3%
O
24.00 · 61.5%

Energy & Stability

Energy above hull
0.0318
eV/atom
Formation energy
-3.5446
eV/atom
Corrected total energy
-349.8904
eV
Raw total energy
-333.0354
eV

Electronic Structure

Indirect band gap
3.2180
eV
Direct band gap
3.2180
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B4C8D24_3_spg156

Decomposition

Ba5Ta4O15 BaHfO3

Computed at

2024-08-08 12:09:04.272792

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: agm017142471).

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 agm017142471
data_agm017142471
_cell_length_a     5.93040
_cell_length_b     5.93040
_cell_length_c     19.51017
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       594.23741
_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
  Ba1 Ba 0.66667 0.33333 0.24280 1.00000
  Ba2 Ba 0.33333 0.66667 0.75104 1.00000
  Ba3 Ba 0.00000 0.00000 0.49401 1.00000
  Ba4 Ba 0.00000 0.00000 0.01759 1.00000
  Ba5 Ba 0.66667 0.33333 0.63599 1.00000
  Ba6 Ba 0.33333 0.66667 0.36732 1.00000
  Ba7 Ba 0.33333 0.66667 0.14937 1.00000
  Ba8 Ba 0.66667 0.33333 0.86629 1.00000
  Hf1 Hf 0.00000 0.00000 0.67635 1.00000
  Hf2 Hf 0.00000 0.00000 0.82454 1.00000
  Hf3 Hf 0.33333 0.66667 0.55728 1.00000
  Ta1 Ta 0.00000 0.00000 0.30508 1.00000
  Ta2 Ta 0.66667 0.33333 0.06519 1.00000
  Ta3 Ta 0.33333 0.66667 0.94272 1.00000
  Ta4 Ta 0.66667 0.33333 0.43526 1.00000
  O1 O 0.16928 0.83072 0.62032 1.00000
  O2 O 0.66145 0.83072 0.62032 1.00000
  O3 O 0.16928 0.33855 0.62032 1.00000
  O4 O 0.83018 0.16982 0.37999 1.00000
  O5 O 0.33965 0.16982 0.37999 1.00000
  O6 O 0.83018 0.66035 0.37999 1.00000
  O7 O 0.82196 0.17804 0.11562 1.00000
  O8 O 0.35608 0.17804 0.11562 1.00000
  O9 O 0.82196 0.64392 0.11562 1.00000
  O10 O 0.17383 0.82617 0.87637 1.00000
  O11 O 0.65234 0.82617 0.87637 1.00000
  O12 O 0.17383 0.34766 0.87637 1.00000
  O13 O 0.16211 0.83789 0.26112 1.00000
  O14 O 0.67579 0.83789 0.26112 1.00000
  O15 O 0.16211 0.32421 0.26112 1.00000
  O16 O 0.84757 0.15243 0.74981 1.00000
  O17 O 0.30485 0.15243 0.74981 1.00000
  O18 O 0.84757 0.69515 0.74981 1.00000
  O19 O 0.50450 0.00901 0.49746 1.00000
  O20 O 0.50450 0.49550 0.49746 1.00000
  O21 O 0.99099 0.49550 0.49746 1.00000
  O22 O 0.49802 0.99604 0.99318 1.00000
  O23 O 0.49802 0.50198 0.99318 1.00000
  O24 O 0.00396 0.50198 0.99318 1.00000
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