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Sr2HoAlFe2O7

Alexandria ALEX

Alex-ID: agm011159969 · Space group: Ima2 (#46)

Basic Information

Formula
Sr2HoAlFe2O7
Alex-ID
agm011159969
Elements
5
Sites
26
Space group
Ima2 (#46)
Crystal system
orthorhombic
Volume
361.00
ų
Cell a
11.7481
Å
Cell b
11.7481
Å
Cell c
11.7481
Å
α angle
152.46
°
β angle
151.16
°
γ angle
40.31
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr2HoAlFe2O7
Sr
4.00 · 15.4%
Ho
2.00 · 7.7%
Al
2.00 · 7.7%
Fe
4.00 · 15.4%
O
14.00 · 53.8%

Energy & Stability

Energy above hull
0.0376
eV/atom
Formation energy
-2.9060
eV/atom
Corrected total energy
-202.2271
eV
Raw total energy
-181.4630
eV

Electronic Structure

Indirect band gap
1.3821
eV
Direct band gap
1.3821
eV
DOS at Fermi level
0.0000
Total magnetisation
16.0000
μB

Additional Information

Prototype ID

ABC2D2E7_3_spg46

Decomposition

Sr3(FeO3)2 Sr3Al4O9 Ho2O3 Fe FeO

Computed at

2024-12-02 05:09:05.393338

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: agm011159969).

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 agm011159969
data_agm011159969
_cell_length_a     11.74809
_cell_length_b     11.74809
_cell_length_c     11.74809
_cell_angle_alpha  152.45622
_cell_angle_beta   151.15604
_cell_angle_gamma  40.30654
_cell_volume       361.00293
_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
  Sr1 Sr 0.81748 0.83419 0.96320 1.00000
  Sr2 Sr 0.18252 0.14572 0.01671 1.00000
  Sr3 Sr 0.37098 0.33419 0.01671 1.00000
  Sr4 Sr 0.62902 0.64572 0.96320 1.00000
  Ho1 Ho 0.50000 0.47567 0.97567 1.00000
  Ho2 Ho 0.00000 0.97567 0.97567 1.00000
  Al1 Al 0.17385 0.72707 0.40091 1.00000
  Al2 Al 0.82615 0.22707 0.55322 1.00000
  Fe1 Fe 0.07579 0.57020 0.48274 1.00000
  Fe2 Fe 0.41254 0.90695 0.48274 1.00000
  Fe3 Fe 0.58746 0.07020 0.49441 1.00000
  Fe4 Fe 0.92421 0.40695 0.49441 1.00000
  O1 O 0.63397 0.64807 0.40827 1.00000
  O2 O 0.07558 0.41968 0.99526 1.00000
  O3 O 0.73980 0.14807 0.01410 1.00000
  O4 O 0.61524 0.20882 0.46250 1.00000
  O5 O 0.87595 0.85630 0.58870 1.00000
  O6 O 0.76760 0.35630 0.98035 1.00000
  O7 O 0.92442 0.91968 0.34410 1.00000
  O8 O 0.26020 0.27430 0.40827 1.00000
  O9 O 0.36603 0.77430 0.01410 1.00000
  O10 O 0.24631 0.70882 0.59358 1.00000
  O11 O 0.38476 0.84727 0.59358 1.00000
  O12 O 0.75369 0.34727 0.46250 1.00000
  O13 O 0.12405 0.71275 0.98035 1.00000
  O14 O 0.23240 0.21275 0.58870 1.00000
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