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Hf3(Al2Ag)2

Alexandria ALEX

Alex-ID: agm005608574 · Space group: C2/m (#12)

Basic Information

Formula
Hf3(Al2Ag)2
Alex-ID
agm005608574
Elements
3
Sites
9
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
164.03
ų
Cell a
4.4993
Å
Cell b
5.4702
Å
Cell c
8.3943
Å
α angle
116.60
°
β angle
90.00
°
γ angle
114.28
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf3(Al2Ag)2
Hf
3.00 · 33.3%
Al
4.00 · 44.4%
Ag
2.00 · 22.2%

Energy & Stability

Energy above hull
0.0520
eV/atom
Formation energy
-0.2872
eV/atom
Corrected total energy
-53.1299
eV
Raw total energy
-53.1299
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0498
eV
DOS at Fermi level
4.5530
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C4_664_spg12

Decomposition

Hf6Al7 Hf2Al3Ag Ag

Computed at

2023-06-26 17:01:46.979434

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: agm005608574).

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 agm005608574
data_agm005608574
_cell_length_a     4.49935
_cell_length_b     5.47025
_cell_length_c     8.39426
_cell_angle_alpha  116.60369
_cell_angle_beta   90.00000
_cell_angle_gamma  114.28379
_cell_volume       164.02971
_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 0.66105 0.32210 0.67382 1.00000
  Hf2 Hf 0.00000 0.00000 0.00000 1.00000
  Hf3 Hf 0.33895 0.67790 0.32618 1.00000
  Al1 Al 0.72378 0.44755 0.05745 1.00000
  Al2 Al 0.27622 0.55245 0.94255 1.00000
  Al3 Al 0.93896 0.87791 0.60689 1.00000
  Al4 Al 0.06104 0.12209 0.39311 1.00000
  Ag1 Ag 0.61842 0.23683 0.28348 1.00000
  Ag2 Ag 0.38158 0.76317 0.71652 1.00000
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