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BaC2

Alexandria ALEX

Alex-ID: agm005238233 · Space group: Pnma (#62)

Basic Information

Formula
BaC2
Alex-ID
agm005238233
Elements
2
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
421.99
ų
Cell a
5.5562
Å
Cell b
7.7759
Å
Cell c
9.7671
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
BaC2
Ba
8.00 · 33.3%
C
16.00 · 66.7%

Energy & Stability

Energy above hull
0.4699
eV/atom
Formation energy
0.4126
eV/atom
Corrected total energy
-153.0614
eV
Raw total energy
-153.0614
eV

Electronic Structure

Indirect band gap
2.8496
eV
Direct band gap
2.9502
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_559_spg62

Decomposition

BaC6 Ba

Computed at

2023-05-09 11:25:44.118837

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: agm005238233).

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 agm005238233
data_agm005238233
_cell_length_a     5.55624
_cell_length_b     7.77592
_cell_length_c     9.76708
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       421.98546
_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
  Ba1 Ba 0.25000 0.50409 0.81987 1.00000
  Ba2 Ba 0.25000 0.00409 0.68013 1.00000
  Ba3 Ba 0.75000 0.49591 0.18013 1.00000
  Ba4 Ba 0.75000 0.99591 0.31987 1.00000
  Ba5 Ba 0.25000 0.35337 0.40369 1.00000
  Ba6 Ba 0.25000 0.85337 0.09631 1.00000
  Ba7 Ba 0.75000 0.64663 0.59631 1.00000
  Ba8 Ba 0.75000 0.14663 0.90369 1.00000
  C1 C 0.25000 0.86880 0.40776 1.00000
  C2 C 0.25000 0.36880 0.09224 1.00000
  C3 C 0.75000 0.13120 0.59224 1.00000
  C4 C 0.75000 0.63120 0.90776 1.00000
  C5 C 0.25000 0.70640 0.50241 1.00000
  C6 C 0.25000 0.20640 0.99759 1.00000
  C7 C 0.75000 0.29360 0.49759 1.00000
  C8 C 0.75000 0.79360 0.00241 1.00000
  C9 C 0.39194 0.70415 0.36401 1.00000
  C10 C 0.10806 0.20415 0.13599 1.00000
  C11 C 0.89194 0.29585 0.63599 1.00000
  C12 C 0.60806 0.79585 0.86401 1.00000
  C13 C 0.60806 0.29585 0.63599 1.00000
  C14 C 0.89194 0.79585 0.86401 1.00000
  C15 C 0.10806 0.70415 0.36401 1.00000
  C16 C 0.39194 0.20415 0.13599 1.00000
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