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Hf2Be2Cu

Alexandria ALEX

Alex-ID: agm003407342 · Space group: Immm (#71)

Basic Information

Formula
Hf2Be2Cu
Alex-ID
agm003407342
Elements
3
Sites
5
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
72.21
ų
Cell a
3.2552
Å
Cell b
5.2090
Å
Cell c
5.2090
Å
α angle
61.34
°
β angle
71.79
°
γ angle
71.79
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2Be2Cu
Hf
2.00 · 40.0%
Be
2.00 · 40.0%
Cu
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0600
eV/atom
Formation energy
-0.1374
eV/atom
Corrected total energy
-32.2061
eV
Raw total energy
-32.2061
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.1782
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_1206_spg71

Decomposition

HfBe5 Hf6Be15Cu8 Hf2Cu

Computed at

2022-02-09 19:25:35.936852

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: agm003407342).

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 agm003407342
data_agm003407342
_cell_length_a     3.25523
_cell_length_b     5.20900
_cell_length_c     5.20900
_cell_angle_alpha  61.34242
_cell_angle_beta   71.79231
_cell_angle_gamma  71.79231
_cell_volume       72.21128
_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 0.78041 0.71959 0.71959 1.00000
  Hf2 Hf 0.21959 0.28041 0.28041 1.00000
  Be1 Be 0.50000 0.70555 0.29445 1.00000
  Be2 Be 0.50000 0.29445 0.70555 1.00000
  Cu1 Cu 0.00000 0.00000 0.00000 1.00000
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