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Hf5Np5(Co2Si5)4

Alexandria ALEX

Alex-ID: agm019288917 · Space group: Amm2 (#38)

Basic Information

Formula
Hf5Np5(Co2Si5)4
Alex-ID
agm019288917
Elements
4
Sites
38
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
585.30
ų
Cell a
12.1119
Å
Cell b
12.1119
Å
Cell c
3.9899
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.38
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf5Np5(Co2Si5)4
Hf
5.00 · 13.2%
Np
5.00 · 13.2%
Co
8.00 · 21.1%
Si
20.00 · 52.6%

Energy & Stability

Energy above hull
0.0058
eV/atom
Formation energy
-0.5941
eV/atom
Corrected total energy
-302.4955
eV
Raw total energy
-302.4955
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0017
eV
DOS at Fermi level
50.2298
Total magnetisation
17.4385
μB

Additional Information

Prototype ID

A5B5C8D20_0_spg38

Decomposition

Hf4Co4Si7 NpSi HfSi NpCoSi3

Computed at

2025-01-16 05:49:07

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: agm019288917).

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 agm019288917
data_agm019288917
_cell_length_a     12.11192
_cell_length_b     12.11192
_cell_length_c     3.98991
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.37702
_cell_volume       585.30100
_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
  Hf1 Hf 0.17895 0.82105 0.00000 1.00000
  Hf2 Hf 0.82265 0.17735 0.00000 1.00000
  Hf3 Hf 0.32191 0.32352 0.00000 1.00000
  Hf4 Hf 0.67648 0.67809 0.00000 1.00000
  Hf5 Hf 0.38927 0.61073 0.00000 1.00000
  Np1 Np 0.61123 0.38877 0.00000 1.00000
  Np2 Np 0.11170 0.11161 0.00000 1.00000
  Np3 Np 0.88839 0.88830 0.00000 1.00000
  Np4 Np 0.49956 0.99881 0.50000 1.00000
  Np5 Np 0.00119 0.50044 0.50000 1.00000
  Co1 Co 0.52685 0.75252 0.50000 1.00000
  Co2 Co 0.46955 0.24445 0.50000 1.00000
  Co3 Co 0.97013 0.25805 0.50000 1.00000
  Co4 Co 0.03198 0.74132 0.50000 1.00000
  Co5 Co 0.74195 0.02987 0.50000 1.00000
  Co6 Co 0.25868 0.96802 0.50000 1.00000
  Co7 Co 0.24748 0.47315 0.50000 1.00000
  Co8 Co 0.75555 0.53045 0.50000 1.00000
  Si1 Si 0.07013 0.92987 0.50000 1.00000
  Si2 Si 0.93064 0.06936 0.50000 1.00000
  Si3 Si 0.43081 0.43218 0.50000 1.00000
  Si4 Si 0.56782 0.56919 0.50000 1.00000
  Si5 Si 0.69990 0.84415 0.50000 1.00000
  Si6 Si 0.29885 0.15471 0.50000 1.00000
  Si7 Si 0.79861 0.34548 0.50000 1.00000
  Si8 Si 0.20374 0.65372 0.50000 1.00000
  Si9 Si 0.65452 0.20139 0.50000 1.00000
  Si10 Si 0.34628 0.79626 0.50000 1.00000
  Si11 Si 0.15585 0.30010 0.50000 1.00000
  Si12 Si 0.84529 0.70115 0.50000 1.00000
  Si13 Si 0.49694 0.83048 0.00000 1.00000
  Si14 Si 0.49863 0.16597 0.00000 1.00000
  Si15 Si 0.00187 0.33447 0.00000 1.00000
  Si16 Si 0.99877 0.66612 0.00000 1.00000
  Si17 Si 0.66553 0.99813 0.00000 1.00000
  Si18 Si 0.33388 0.00123 0.00000 1.00000
  Si19 Si 0.16952 0.50306 0.00000 1.00000
  Si20 Si 0.83403 0.50137 0.00000 1.00000
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