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NbFe6(SiGe2)2

Alexandria ALEX

Alex-ID: agm020439471 · Space group: P6/mmm (#191)

Basic Information

Formula
NbFe6(SiGe2)2
Alex-ID
agm020439471
Elements
4
Sites
13
Space group
P6/mmm (#191)
Crystal system
hexagonal
Volume
166.95
ų
Cell a
4.9393
Å
Cell b
4.9393
Å
Cell c
7.9018
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NbFe6(SiGe2)2
Nb
1.00 · 7.7%
Fe
6.00 · 46.2%
Si
2.00 · 15.4%
Ge
4.00 · 30.8%

Energy & Stability

Energy above hull
0.0267
eV/atom
Formation energy
-0.2731
eV/atom
Corrected total energy
-93.7114
eV
Raw total energy
-93.7114
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
13.3654
Total magnetisation
7.6830
μB

Additional Information

Prototype ID

AB2C4D6_12_spg191

Decomposition

Fe3Si Nb4Fe4Ge7 FeGe FeSi

Computed at

2024-09-13 13:05:31.338103

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: agm020439471).

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 agm020439471
data_agm020439471
_cell_length_a     4.93929
_cell_length_b     4.93929
_cell_length_c     7.90180
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       166.94974
_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
  Nb1 Nb 0.00000 0.00000 0.00000 1.00000
  Fe1 Fe 0.50000 0.50000 0.75762 1.00000
  Fe2 Fe 0.50000 0.50000 0.24238 1.00000
  Fe3 Fe 0.00000 0.50000 0.75762 1.00000
  Fe4 Fe 0.00000 0.50000 0.24238 1.00000
  Fe5 Fe 0.50000 0.00000 0.75762 1.00000
  Fe6 Fe 0.50000 0.00000 0.24238 1.00000
  Si1 Si 0.66667 0.33333 0.00000 1.00000
  Si2 Si 0.33333 0.66667 0.00000 1.00000
  Ge1 Ge 0.66667 0.33333 0.50000 1.00000
  Ge2 Ge 0.33333 0.66667 0.50000 1.00000
  Ge3 Ge 0.00000 0.00000 0.66335 1.00000
  Ge4 Ge 0.00000 0.00000 0.33665 1.00000
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