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Hf4(Al8Co3)3

Alexandria ALEX

Alex-ID: agm008602859 · Space group: P-1 (#2)

Basic Information

Formula
Hf4(Al8Co3)3
Alex-ID
agm008602859
Elements
3
Sites
37
Space group
P-1 (#2)
Crystal system
triclinic
Volume
550.25
ų
Cell a
7.1788
Å
Cell b
7.1777
Å
Cell c
12.5222
Å
α angle
78.97
°
β angle
84.58
°
γ angle
60.32
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf4(Al8Co3)3
Hf
4.00 · 10.8%
Al
24.00 · 64.9%
Co
9.00 · 24.3%

Energy & Stability

Energy above hull
0.0499
eV/atom
Formation energy
-0.4691
eV/atom
Corrected total energy
-211.1772
eV
Raw total energy
-211.1772
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
22.7748
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A4B9C24_1_spg2

Decomposition

Hf2(Al3Co)3 Al5Co2 AlCo

Computed at

2025-03-09 10:29:17

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: agm008602859).

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 agm008602859
data_agm008602859
_cell_length_a     7.17880
_cell_length_b     7.17774
_cell_length_c     12.52216
_cell_angle_alpha  78.97458
_cell_angle_beta   84.57902
_cell_angle_gamma  60.32144
_cell_volume       550.24520
_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
  Hf1 Hf 0.82838 0.56344 0.80347 1.00000
  Hf2 Hf 0.17162 0.43656 0.19653 1.00000
  Hf3 Hf 0.50193 0.23668 0.80332 1.00000
  Hf4 Hf 0.49807 0.76332 0.19668 1.00000
  Al1 Al 0.16571 0.51079 0.94671 1.00000
  Al2 Al 0.83429 0.48921 0.05329 1.00000
  Al3 Al 0.16749 0.97857 0.55804 1.00000
  Al4 Al 0.83251 0.02143 0.44196 1.00000
  Al5 Al 0.83299 0.64926 0.55714 1.00000
  Al6 Al 0.16701 0.35074 0.44286 1.00000
  Al7 Al 0.83628 0.38024 0.32997 1.00000
  Al8 Al 0.16372 0.61976 0.67003 1.00000
  Al9 Al 0.49093 0.94548 0.66953 1.00000
  Al10 Al 0.50907 0.05452 0.33047 1.00000
  Al11 Al 0.84237 0.26825 0.66611 1.00000
  Al12 Al 0.15763 0.73175 0.33389 1.00000
  Al13 Al 0.50730 0.85206 0.94673 1.00000
  Al14 Al 0.49270 0.14794 0.05327 1.00000
  Al15 Al 0.82725 0.18541 0.96175 1.00000
  Al16 Al 0.17275 0.81459 0.03825 1.00000
  Al17 Al 0.50149 0.68495 0.44308 1.00000
  Al18 Al 0.49851 0.31505 0.55692 1.00000
  Al19 Al 0.83733 0.88350 0.18139 1.00000
  Al20 Al 0.16267 0.11650 0.81861 1.00000
  Al21 Al 0.37928 0.68152 0.81755 1.00000
  Al22 Al 0.62072 0.31848 0.18245 1.00000
  Al23 Al 0.94345 0.89743 0.81920 1.00000
  Al24 Al 0.05655 0.10257 0.18080 1.00000
  Co1 Co 0.51203 0.60641 0.64324 1.00000
  Co2 Co 0.48797 0.39359 0.35676 1.00000
  Co3 Co 0.82831 0.82800 0.00051 1.00000
  Co4 Co 0.17169 0.17200 0.99949 1.00000
  Co5 Co 0.83351 0.70145 0.35812 1.00000
  Co6 Co 0.16649 0.29855 0.64188 1.00000
  Co7 Co 0.82048 0.95273 0.64240 1.00000
  Co8 Co 0.17952 0.04727 0.35760 1.00000
  Co9 Co 0.50000 0.50000 0.00000 1.00000
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