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Hf(BC3)4

Alexandria ALEX

Alex-ID: agm071336746 · Space group: I4_1/amd (#141)

Basic Information

Formula
Hf(BC3)4
Alex-ID
agm071336746
Elements
3
Sites
34
Space group
I4_1/amd (#141)
Crystal system
tetragonal
Volume
251.31
ų
Cell a
10.0209
Å
Cell b
10.0209
Å
Cell c
10.0209
Å
α angle
149.97
°
β angle
149.97
°
γ angle
42.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf(BC3)4
Hf
2.00 · 5.9%
B
8.00 · 23.5%
C
24.00 · 70.6%

Energy & Stability

Energy above hull
0.8369
eV/atom
Formation energy
0.6412
eV/atom
Corrected total energy
-272.8986
eV
Raw total energy
-272.8985
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.1445
Total magnetisation
2.0151
μB

Additional Information

Prototype ID

AB4C12_286_spg141

Decomposition

B4C HfB2 C

Computed at

2024-08-05 11:14:36.297540

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: agm071336746).

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 agm071336746
data_agm071336746
_cell_length_a     10.02085
_cell_length_b     10.02085
_cell_length_c     10.02085
_cell_angle_alpha  149.97408
_cell_angle_beta   149.97408
_cell_angle_gamma  42.97945
_cell_volume       251.30881
_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 0.00000 0.00000 0.00000 1.00000
  Hf2 Hf 0.75000 0.25000 0.50000 1.00000
  B1 B 0.87500 0.42089 0.04589 1.00000
  B2 B 0.87500 0.82911 0.45411 1.00000
  B3 B 0.37500 0.82911 0.95411 1.00000
  B4 B 0.37500 0.42089 0.54589 1.00000
  B5 B 0.57911 0.12500 0.95411 1.00000
  B6 B 0.17089 0.12500 0.54589 1.00000
  B7 B 0.17089 0.62500 0.04589 1.00000
  B8 B 0.57911 0.62500 0.45411 1.00000
  C1 C 0.50380 0.29040 0.78660 1.00000
  C2 C 0.24620 0.95960 0.71340 1.00000
  C3 C 0.50380 0.71719 0.21340 1.00000
  C4 C 0.24620 0.53281 0.28660 1.00000
  C5 C 0.46719 0.75380 0.71340 1.00000
  C6 C 0.28281 0.49620 0.78660 1.00000
  C7 C 0.04040 0.75380 0.28660 1.00000
  C8 C 0.70960 0.49620 0.21340 1.00000
  C9 C 0.43762 0.07462 0.63700 1.00000
  C10 C 0.31238 0.17538 0.86300 1.00000
  C11 C 0.43762 0.80062 0.36300 1.00000
  C12 C 0.31238 0.44938 0.13700 1.00000
  C13 C 0.55062 0.68762 0.86300 1.00000
  C14 C 0.19938 0.56238 0.63700 1.00000
  C15 C 0.82462 0.68762 0.13700 1.00000
  C16 C 0.92538 0.56238 0.36300 1.00000
  C17 C 0.57988 0.23423 0.65435 1.00000
  C18 C 0.17012 0.01577 0.84565 1.00000
  C19 C 0.57988 0.92553 0.34565 1.00000
  C20 C 0.17012 0.32447 0.15435 1.00000
  C21 C 0.67553 0.82988 0.84565 1.00000
  C22 C 0.07447 0.42012 0.65435 1.00000
  C23 C 0.98423 0.82988 0.15435 1.00000
  C24 C 0.76577 0.42012 0.34565 1.00000
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