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Na5(B4C)2

Alexandria ALEX

Alex-ID: agm006173554 · Space group: Cm (#8)

Basic Information

Formula
Na5(B4C)2
Alex-ID
agm006173554
Elements
3
Sites
30
Space group
Cm (#8)
Crystal system
monoclinic
Volume
322.24
ų
Cell a
11.7745
Å
Cell b
11.7745
Å
Cell c
10.1394
Å
α angle
106.20
°
β angle
106.20
°
γ angle
13.82
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na5(B4C)2
Na
10.00 · 33.3%
B
16.00 · 53.3%
C
4.00 · 13.3%

Energy & Stability

Energy above hull
0.2839
eV/atom
Formation energy
0.1828
eV/atom
Corrected total energy
-151.4411
eV
Raw total energy
-151.4411
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0479
eV
DOS at Fermi level
5.7773
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B5C8_34_spg12

Decomposition

NaB13C2 Na C

Computed at

2023-09-09 09:33:31.321186

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: agm006173554).

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 agm006173554
data_agm006173554
_cell_length_a     11.77452
_cell_length_b     11.77452
_cell_length_c     10.13939
_cell_angle_alpha  106.19983
_cell_angle_beta   106.19983
_cell_angle_gamma  13.81932
_cell_volume       322.23919
_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
  Na1 Na 0.40156 0.40156 0.80196 1.00000
  Na2 Na 0.49976 0.49976 0.49977 1.00000
  Na3 Na 0.19934 0.19934 0.39835 1.00000
  Na4 Na 0.30057 0.30057 0.09956 1.00000
  Na5 Na 0.99929 0.99929 0.00001 1.00000
  Na6 Na 0.09962 0.09962 0.70173 1.00000
  Na7 Na 0.80186 0.80186 0.60036 1.00000
  Na8 Na 0.90016 0.90016 0.29726 1.00000
  Na9 Na 0.59735 0.59735 0.19867 1.00000
  Na10 Na 0.70040 0.70040 0.90243 1.00000
  B1 B 0.92107 0.92107 0.59202 1.00000
  B2 B 0.07580 0.07580 0.40155 1.00000
  B3 B 0.00815 0.00815 0.26548 1.00000
  B4 B 0.98474 0.98474 0.72140 1.00000
  B5 B 0.71527 0.71527 0.17942 1.00000
  B6 B 0.82050 0.82050 0.89045 1.00000
  B7 B 0.77825 0.77825 0.30425 1.00000
  B8 B 0.52169 0.52169 0.79637 1.00000
  B9 B 0.68420 0.68420 0.61992 1.00000
  B10 B 0.61994 0.61994 0.49092 1.00000
  B11 B 0.58725 0.58725 0.92648 1.00000
  B12 B 0.31921 0.31921 0.38594 1.00000
  B13 B 0.41400 0.41400 0.07648 1.00000
  B14 B 0.38196 0.38196 0.51206 1.00000
  B15 B 0.22851 0.22851 0.70792 1.00000
  B16 B 0.17554 0.17554 0.10207 1.00000
  C1 C 0.88255 0.88255 0.01395 1.00000
  C2 C 0.47702 0.47702 0.20207 1.00000
  C3 C 0.11626 0.11626 0.98463 1.00000
  C4 C 0.28819 0.28819 0.82651 1.00000
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