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HEAS Data Platform · Materials Science Database

BaSr2Hf3O9

Alexandria ALEX

Alex-ID: agm045449529 · Space group: Fmm2 (#42)

Basic Information

Formula
BaSr2Hf3O9
Alex-ID
agm045449529
Elements
4
Sites
30
Space group
Fmm2 (#42)
Crystal system
orthorhombic
Volume
427.34
ų
Cell a
13.0887
Å
Cell b
13.0769
Å
Cell c
5.8689
Å
α angle
77.15
°
β angle
76.93
°
γ angle
25.92
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
BaSr2Hf3O9
Ba
2.00 · 6.7%
Sr
4.00 · 13.3%
Hf
6.00 · 20.0%
O
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0109
eV/atom
Formation energy
-3.7963
eV/atom
Corrected total energy
-273.4605
eV
Raw total energy
-260.8193
eV

Electronic Structure

Indirect band gap
3.8854
eV
Direct band gap
3.8925
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D9_177_spg42

Decomposition

BaHfO3 SrHfO3

Computed at

2024-09-13 12:51:41.791770

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: agm045449529).

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 agm045449529
data_agm045449529
_cell_length_a     13.08872
_cell_length_b     13.07694
_cell_length_c     5.86893
_cell_angle_alpha  77.15048
_cell_angle_beta   76.92629
_cell_angle_gamma  25.92324
_cell_volume       427.33970
_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 0.41314 0.91954 0.08046 1.00000
  Ba2 Ba 0.08046 0.58686 0.41314 1.00000
  Sr1 Sr 0.75878 0.24122 0.75878 1.00000
  Sr2 Sr 0.91242 0.42090 0.57910 1.00000
  Sr3 Sr 0.57910 0.08758 0.91242 1.00000
  Sr4 Sr 0.25493 0.74507 0.25493 1.00000
  Hf1 Hf 0.66950 0.16611 0.33233 1.00000
  Hf2 Hf 0.33233 0.83206 0.66950 1.00000
  Hf3 Hf 0.99823 0.50177 0.99823 1.00000
  Hf4 Hf 0.83389 0.33050 0.16794 1.00000
  Hf5 Hf 0.49823 0.00177 0.49823 1.00000
  Hf6 Hf 0.16794 0.66767 0.83389 1.00000
  O1 O 0.79594 0.20406 0.20383 1.00000
  O2 O 0.46119 0.87115 0.55798 1.00000
  O3 O 0.12885 0.53881 0.89033 1.00000
  O4 O 0.55798 0.10967 0.46119 1.00000
  O5 O 0.20383 0.79617 0.79594 1.00000
  O6 O 0.89033 0.44202 0.12885 1.00000
  O7 O 0.87610 0.93194 0.06806 1.00000
  O8 O 0.58944 0.54944 0.45056 1.00000
  O9 O 0.22741 0.24929 0.75071 1.00000
  O10 O 0.45056 0.41056 0.58944 1.00000
  O11 O 0.06806 0.12390 0.87610 1.00000
  O12 O 0.75071 0.77259 0.22741 1.00000
  O13 O 0.10315 0.05770 0.39860 1.00000
  O14 O 0.74859 0.75141 0.74859 1.00000
  O15 O 0.39860 0.44055 0.10315 1.00000
  O16 O 0.24859 0.25141 0.24859 1.00000
  O17 O 0.94230 0.89685 0.55945 1.00000
  O18 O 0.55945 0.60140 0.94230 1.00000
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