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Nd2Fe20Si2C

Alexandria ALEX

Alex-ID: agm005284808 · Space group: P-1 (#2)

Basic Information

Formula
Nd2Fe20Si2C
Alex-ID
agm005284808
Elements
4
Sites
25
Space group
P-1 (#2)
Crystal system
triclinic
Volume
325.70
ų
Cell a
6.3865
Å
Cell b
7.8445
Å
Cell c
7.8507
Å
α angle
100.57
°
β angle
114.72
°
γ angle
65.75
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Nd2Fe20Si2C
Nd
2.00 · 8.0%
Fe
20.00 · 80.0%
Si
2.00 · 8.0%
C
1.00 · 4.0%

Energy & Stability

Energy above hull
0.0739
eV/atom
Formation energy
-0.0950
eV/atom
Corrected total energy
-201.2445
eV
Raw total energy
-201.2444
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0016
eV
DOS at Fermi level
20.9275
Total magnetisation
42.0999
μB

Additional Information

Prototype ID

AB2C2D20_0_spg2

Decomposition

Nd2Fe2Si2C Fe

Computed at

2024-10-04 04:37:36

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: agm005284808).

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 agm005284808
data_agm005284808
_cell_length_a     6.38649
_cell_length_b     7.84447
_cell_length_c     7.85071
_cell_angle_alpha  100.57103
_cell_angle_beta   114.72443
_cell_angle_gamma  65.75094
_cell_volume       325.70148
_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
  Nd1 Nd 0.37537 0.74823 0.25338 1.00000
  Nd2 Nd 0.62463 0.25177 0.74662 1.00000
  Fe1 Fe 0.17499 0.58428 0.82525 1.00000
  Fe2 Fe 0.43488 0.32364 0.08050 1.00000
  Fe3 Fe 0.27758 0.41990 0.33575 1.00000
  Fe4 Fe 0.85874 0.83538 0.91831 1.00000
  Fe5 Fe 0.20236 0.16286 0.42317 1.00000
  Fe6 Fe 0.43768 0.91952 0.67374 1.00000
  Fe7 Fe 0.25034 0.67968 0.57707 1.00000
  Fe8 Fe 0.86047 0.07737 0.17611 1.00000
  Fe9 Fe 0.82501 0.41572 0.17475 1.00000
  Fe10 Fe 0.56512 0.67636 0.91950 1.00000
  Fe11 Fe 0.72242 0.58010 0.66425 1.00000
  Fe12 Fe 0.14126 0.16462 0.08169 1.00000
  Fe13 Fe 0.79764 0.83714 0.57683 1.00000
  Fe14 Fe 0.56232 0.08048 0.32626 1.00000
  Fe15 Fe 0.74966 0.32032 0.42293 1.00000
  Fe16 Fe 0.13953 0.92263 0.82389 1.00000
  Fe17 Fe 0.12293 0.24794 0.74871 1.00000
  Fe18 Fe 0.87707 0.75206 0.25129 1.00000
  Fe19 Fe 0.00000 0.50000 0.00000 1.00000
  Fe20 Fe 0.00000 0.50000 0.50000 1.00000
  Si1 Si 0.50000 0.00000 0.00000 1.00000
  Si2 Si 0.00000 0.00000 0.50000 1.00000
  C1 C 0.50000 0.50000 0.00000 1.00000
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