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Na4B7C

Alexandria ALEX

Alex-ID: agm006172467 · Space group: C2 (#5)

Basic Information

Formula
Na4B7C
Alex-ID
agm006172467
Elements
3
Sites
24
Space group
C2 (#5)
Crystal system
monoclinic
Volume
265.64
ų
Cell a
9.1499
Å
Cell b
9.1499
Å
Cell c
6.0034
Å
α angle
99.45
°
β angle
99.45
°
γ angle
32.44
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na4B7C
Na
8.00 · 33.3%
C
2.00 · 8.3%
B
14.00 · 58.3%

Energy & Stability

Energy above hull
0.3551
eV/atom
Formation energy
0.2494
eV/atom
Corrected total energy
-116.4992
eV
Raw total energy
-116.4992
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0104
eV
DOS at Fermi level
3.9458
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C7_467_spg2

Decomposition

Na3B20 NaB13C2 Na

Computed at

2023-09-10 02:28:03

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: agm006172467).

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 agm006172467
data_agm006172467
_cell_length_a     9.14989
_cell_length_b     9.14989
_cell_length_c     6.00341
_cell_angle_alpha  99.44901
_cell_angle_beta   99.44901
_cell_angle_gamma  32.44088
_cell_volume       265.64366
_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 0.49915 0.49987 0.74984 1.00000
  Na2 Na 0.25012 0.25085 0.62516 1.00000
  Na3 Na 0.49920 0.49841 0.24880 1.00000
  Na4 Na 0.25159 0.25080 0.12620 1.00000
  Na5 Na 0.99942 0.99977 0.50014 1.00000
  Na6 Na 0.75129 0.75119 0.37558 1.00000
  Na7 Na 0.99880 0.99871 0.99942 1.00000
  Na8 Na 0.75023 0.75058 0.87486 1.00000
  C1 C 0.30176 0.94825 0.80550 1.00000
  C2 C 0.80175 0.44824 0.56950 1.00000
  B1 B 0.70818 0.04182 0.68750 1.00000
  B2 B 0.30860 0.94117 0.30976 1.00000
  B3 B 0.46126 0.78868 0.57236 1.00000
  B4 B 0.54235 0.20843 0.43762 1.00000
  B5 B 0.70779 0.04221 0.18750 1.00000
  B6 B 0.42828 0.82167 0.04638 1.00000
  B7 B 0.54157 0.20765 0.93738 1.00000
  B8 B 0.20857 0.54235 0.43825 1.00000
  B9 B 0.80883 0.44140 0.06524 1.00000
  B10 B 0.92833 0.32172 0.32862 1.00000
  B11 B 0.04168 0.70832 0.18750 1.00000
  B12 B 0.20765 0.54143 0.93675 1.00000
  B13 B 0.96132 0.28874 0.80264 1.00000
  B14 B 0.04228 0.70772 0.68750 1.00000
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