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BC2

Alexandria ALEX

Alex-ID: agm006147635 · Space group: C2/m (#12)

Basic Information

Formula
BC2
Alex-ID
agm006147635
Elements
2
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
78.58
ų
Cell a
7.0784
Å
Cell b
7.1256
Å
Cell c
7.1256
Å
α angle
159.19
°
β angle
141.92
°
γ angle
43.82
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
BC2
B
4.00 · 33.3%
C
8.00 · 66.7%

Energy & Stability

Energy above hull
0.3970
eV/atom
Formation energy
0.3545
eV/atom
Corrected total energy
-96.2470
eV
Raw total energy
-96.2469
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0586
eV
DOS at Fermi level
2.7521
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_3538_spg8

Decomposition

B4C C

Computed at

2023-08-18 11:58:21.003962

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: agm006147635).

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 agm006147635
data_agm006147635
_cell_length_a     7.07839
_cell_length_b     7.12558
_cell_length_c     7.12558
_cell_angle_alpha  159.18770
_cell_angle_beta   141.92343
_cell_angle_gamma  43.82140
_cell_volume       78.58384
_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
  B1 B 0.08212 0.34678 0.73533 1.00000
  B2 B 0.54288 0.27822 0.26467 1.00000
  B3 B 0.63814 0.95842 0.67972 1.00000
  B4 B 0.98686 0.66658 0.32028 1.00000
  C1 C 0.49001 0.16103 0.32898 1.00000
  C2 C 0.12706 0.11762 0.00944 1.00000
  C3 C 0.01677 0.00243 0.01435 1.00000
  C4 C 0.49900 0.83571 0.66329 1.00000
  C5 C 0.12600 0.78929 0.33671 1.00000
  C6 C 0.60823 0.62257 0.98565 1.00000
  C7 C 0.49794 0.50738 0.99056 1.00000
  C8 C 0.13499 0.46397 0.67102 1.00000
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