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Pr2Fe20Si2C

Alexandria ALEX

Alex-ID: agm005278945 · Space group: P-1 (#2)

Basic Information

Formula
Pr2Fe20Si2C
Alex-ID
agm005278945
Elements
4
Sites
25
Space group
P-1 (#2)
Crystal system
triclinic
Volume
327.46
ų
Cell a
6.3975
Å
Cell b
7.7927
Å
Cell c
7.8392
Å
α angle
80.06
°
β angle
66.11
°
γ angle
66.42
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr2Fe20Si2C
Pr
2.00 · 8.0%
Fe
20.00 · 80.0%
Si
2.00 · 8.0%
C
1.00 · 4.0%

Energy & Stability

Energy above hull
0.0751
eV/atom
Formation energy
-0.0873
eV/atom
Corrected total energy
-201.0745
eV
Raw total energy
-201.0745
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0017
eV
DOS at Fermi level
20.1320
Total magnetisation
42.2929
μB

Additional Information

Prototype ID

AB2C2D20_0_spg2

Decomposition

Pr2Fe2Si2C Fe

Computed at

2023-05-10 06:35:30.965715

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: agm005278945).

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 agm005278945
data_agm005278945
_cell_length_a     6.39753
_cell_length_b     7.79270
_cell_length_c     7.83921
_cell_angle_alpha  80.05834
_cell_angle_beta   66.11033
_cell_angle_gamma  66.41591
_cell_volume       327.46119
_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
  Pr1 Pr 0.87009 0.25400 0.25118 1.00000
  Pr2 Pr 0.12991 0.74600 0.74882 1.00000
  Fe1 Fe 0.93391 0.82554 0.41588 1.00000
  Fe2 Fe 0.67805 0.08055 0.67631 1.00000
  Fe3 Fe 0.36088 0.33537 0.58023 1.00000
  Fe4 Fe 0.77428 0.91815 0.16561 1.00000
  Fe5 Fe 0.94179 0.42244 0.83663 1.00000
  Fe6 Fe 0.68286 0.67375 0.08072 1.00000
  Fe7 Fe 0.35266 0.57741 0.32021 1.00000
  Fe8 Fe 0.76131 0.17608 0.92224 1.00000
  Fe9 Fe 0.06609 0.17446 0.58412 1.00000
  Fe10 Fe 0.32195 0.91945 0.32369 1.00000
  Fe11 Fe 0.63912 0.66463 0.41977 1.00000
  Fe12 Fe 0.22572 0.08185 0.83439 1.00000
  Fe13 Fe 0.05821 0.57756 0.16337 1.00000
  Fe14 Fe 0.31714 0.32625 0.91928 1.00000
  Fe15 Fe 0.64734 0.42259 0.67979 1.00000
  Fe16 Fe 0.23869 0.82392 0.07776 1.00000
  Fe17 Fe 0.62217 0.74878 0.75216 1.00000
  Fe18 Fe 0.37783 0.25122 0.24784 1.00000
  Fe19 Fe 0.50000 0.00000 0.50000 1.00000
  Fe20 Fe 0.00000 0.50000 0.50000 1.00000
  Si1 Si 0.50000 0.00000 0.00000 1.00000
  Si2 Si 0.50000 0.50000 0.00000 1.00000
  C1 C 0.00000 0.00000 0.50000 1.00000
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