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NaMgB14

Alexandria ALEX

Alex-ID: agm005754143 · Space group: Imma (#74)

Basic Information

Formula
NaMgB14
Alex-ID
agm005754143
Elements
3
Sites
32
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
262.07
ų
Cell a
5.9630
Å
Cell b
7.3649
Å
Cell c
7.3649
Å
α angle
68.27
°
β angle
66.12
°
γ angle
66.12
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaMgB14
Na
2.00 · 6.3%
Mg
2.00 · 6.3%
B
28.00 · 87.5%

Energy & Stability

Energy above hull
0.0052
eV/atom
Formation energy
-0.0919
eV/atom
Corrected total energy
-195.7358
eV
Raw total energy
-195.7358
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1216
eV
DOS at Fermi level
2.9083
Total magnetisation
1.8560
μB

Additional Information

Prototype ID

ABC14_1_spg74

Decomposition

Na3B20 MgB7 NaB15

Computed at

2023-07-18 14:04:10.800378

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: agm005754143).

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 agm005754143
data_agm005754143
_cell_length_a     5.96303
_cell_length_b     7.36491
_cell_length_c     7.36491
_cell_angle_alpha  68.26817
_cell_angle_beta   66.11972
_cell_angle_gamma  66.11972
_cell_volume       262.07062
_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 0.25000 0.39527 0.10473 1.00000
  Na2 Na 0.75000 0.60473 0.89527 1.00000
  Mg1 Mg 0.50000 0.00000 0.50000 1.00000
  Mg2 Mg 0.00000 0.00000 0.50000 1.00000
  B1 B 0.66568 0.36515 0.30349 1.00000
  B2 B 0.33432 0.63485 0.69651 1.00000
  B3 B 0.16568 0.80349 0.86515 1.00000
  B4 B 0.83432 0.19651 0.13485 1.00000
  B5 B 0.12116 0.25547 0.50220 1.00000
  B6 B 0.87884 0.74453 0.49780 1.00000
  B7 B 0.62116 0.00220 0.75547 1.00000
  B8 B 0.37884 0.99780 0.24453 1.00000
  B9 B 0.08395 0.08276 0.74934 1.00000
  B10 B 0.91605 0.91724 0.25066 1.00000
  B11 B 0.58395 0.24934 0.58276 1.00000
  B12 B 0.41605 0.75066 0.41724 1.00000
  B13 B 0.71724 0.60470 0.27721 1.00000
  B14 B 0.59915 0.39530 0.72279 1.00000
  B15 B 0.21724 0.77721 0.10470 1.00000
  B16 B 0.09915 0.22279 0.89530 1.00000
  B17 B 0.28276 0.39530 0.72279 1.00000
  B18 B 0.40085 0.60470 0.27721 1.00000
  B19 B 0.78276 0.22279 0.89530 1.00000
  B20 B 0.90085 0.77721 0.10470 1.00000
  B21 B 0.32184 0.96598 0.87929 1.00000
  B22 B 0.16711 0.03402 0.12071 1.00000
  B23 B 0.82184 0.37929 0.46598 1.00000
  B24 B 0.66711 0.62071 0.53402 1.00000
  B25 B 0.67816 0.03402 0.12071 1.00000
  B26 B 0.83289 0.96598 0.87929 1.00000
  B27 B 0.17816 0.62071 0.53402 1.00000
  B28 B 0.33289 0.37929 0.46598 1.00000
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