Navigation

HEAS Data Platform · Materials Science Database

Sc2Nb3Si4

Alexandria ALEX

Alex-ID: agm005678929 · Space group: P2_1/c (#14)

Basic Information

Formula
Sc2Nb3Si4
Alex-ID
agm005678929
Elements
3
Sites
18
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
304.51
ų
Cell a
6.7332
Å
Cell b
6.9059
Å
Cell c
6.9188
Å
α angle
90.00
°
β angle
90.00
°
γ angle
108.82
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sc2Nb3Si4
Sc
4.00 · 22.2%
Nb
6.00 · 33.3%
Si
8.00 · 44.4%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.8349
eV/atom
Corrected total energy
-144.1566
eV
Raw total energy
-144.1565
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
8.5155
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C4_99_spg14

Decomposition

Sc2Nb3Si4

Computed at

2023-06-28 08:36:36.140269

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: agm005678929).

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 agm005678929
data_agm005678929
_cell_length_a     6.73317
_cell_length_b     6.90592
_cell_length_c     6.91879
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  108.82412
_cell_volume       304.50758
_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
  Sc1 Sc 0.56390 0.18774 0.32856 1.00000
  Sc2 Sc 0.93610 0.81226 0.82856 1.00000
  Sc3 Sc 0.43610 0.81226 0.67144 1.00000
  Sc4 Sc 0.06390 0.18774 0.17144 1.00000
  Nb1 Nb 0.00000 0.50000 0.50000 1.00000
  Nb2 Nb 0.50000 0.50000 0.00000 1.00000
  Nb3 Nb 0.74644 0.25279 0.82003 1.00000
  Nb4 Nb 0.75356 0.74721 0.32003 1.00000
  Nb5 Nb 0.25356 0.74721 0.17997 1.00000
  Nb6 Nb 0.24644 0.25279 0.67997 1.00000
  Si1 Si 0.86053 0.07920 0.53012 1.00000
  Si2 Si 0.63947 0.92080 0.03012 1.00000
  Si3 Si 0.13947 0.92080 0.46988 1.00000
  Si4 Si 0.36053 0.07920 0.96988 1.00000
  Si5 Si 0.87049 0.48551 0.12642 1.00000
  Si6 Si 0.62951 0.51449 0.62642 1.00000
  Si7 Si 0.12951 0.51449 0.87358 1.00000
  Si8 Si 0.37049 0.48551 0.37358 1.00000
Get direct link