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Hf2Be3Co

Alexandria ALEX

Alex-ID: agm005845596 · Space group: R-3m (#166)

Basic Information

Formula
Hf2Be3Co
Alex-ID
agm005845596
Elements
3
Sites
6
Space group
R-3m (#166)
Crystal system
trigonal
Volume
76.65
ų
Cell a
4.7765
Å
Cell b
4.7765
Å
Cell c
4.7596
Å
α angle
90.01
°
β angle
120.17
°
γ angle
119.94
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2Be3Co
Hf
2.00 · 33.3%
Be
3.00 · 50.0%
Co
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0909
eV/atom
Formation energy
-0.2017
eV/atom
Corrected total energy
-39.4194
eV
Raw total energy
-39.4194
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.0665
Total magnetisation
-0.0011
μB

Additional Information

Prototype ID

AB2C3_8_spg166

Decomposition

Hf2Co HfBe5 Hf3Be2Co5

Computed at

2023-08-07 05:31:20.012457

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: agm005845596).

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 agm005845596
data_agm005845596
_cell_length_a     4.77646
_cell_length_b     4.77646
_cell_length_c     4.75958
_cell_angle_alpha  90.00781
_cell_angle_beta   120.17363
_cell_angle_gamma  119.93505
_cell_volume       76.65111
_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 0.74889 0.37404 0.12293 1.00000
  Hf2 Hf 0.25111 0.62596 0.87707 1.00000
  Be1 Be 0.50000 0.50000 0.50000 1.00000
  Be2 Be 0.00000 0.00000 0.50000 1.00000
  Be3 Be 0.50000 0.00000 0.50000 1.00000
  Co1 Co 0.00000 0.00000 0.00000 1.00000
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