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Ho5Np5(Fe2Ge5)4

Alexandria ALEX

Alex-ID: agm019288334 · Space group: Amm2 (#38)

Basic Information

Formula
Ho5Np5(Fe2Ge5)4
Alex-ID
agm019288334
Elements
4
Sites
38
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
686.63
ų
Cell a
12.7436
Å
Cell b
12.7436
Å
Cell c
4.2281
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.25
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ho5Np5(Fe2Ge5)4
Ho
5.00 · 13.2%
Np
5.00 · 13.2%
Fe
8.00 · 21.1%
Ge
20.00 · 52.6%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.3984
eV/atom
Corrected total energy
-262.7838
eV
Raw total energy
-262.7838
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0007
eV
DOS at Fermi level
42.8111
Total magnetisation
8.6015
μB

Additional Information

Prototype ID

A5B5C8D20_1_spg38

Decomposition

Ho7Fe4Ge13 Np3Fe6Ge5 NpGe3 Ho3Ge4

Computed at

2024-12-17 18:13:59

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: agm019288334).

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 agm019288334
data_agm019288334
_cell_length_a     12.74357
_cell_length_b     12.74357
_cell_length_c     4.22812
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.24750
_cell_volume       686.63417
_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
  Ho1 Ho 0.82580 0.82580 0.00000 1.00000
  Ho2 Ho 0.17324 0.17324 0.00000 1.00000
  Ho3 Ho 0.67441 0.32666 0.00000 1.00000
  Ho4 Ho 0.32666 0.67441 0.00000 1.00000
  Ho5 Ho 0.61312 0.61312 0.00000 1.00000
  Np1 Np 0.38700 0.38700 0.00000 1.00000
  Np2 Np 0.88610 0.11215 0.00000 1.00000
  Np3 Np 0.11215 0.88610 0.00000 1.00000
  Np4 Np 0.49904 0.99991 0.50000 1.00000
  Np5 Np 0.99991 0.49904 0.50000 1.00000
  Fe1 Fe 0.47772 0.76021 0.50000 1.00000
  Fe2 Fe 0.51753 0.24584 0.50000 1.00000
  Fe3 Fe 0.01818 0.25432 0.50000 1.00000
  Fe4 Fe 0.98147 0.74412 0.50000 1.00000
  Fe5 Fe 0.25432 0.01818 0.50000 1.00000
  Fe6 Fe 0.74412 0.98147 0.50000 1.00000
  Fe7 Fe 0.76021 0.47772 0.50000 1.00000
  Fe8 Fe 0.24584 0.51753 0.50000 1.00000
  Ge1 Ge 0.93099 0.93099 0.50000 1.00000
  Ge2 Ge 0.06778 0.06778 0.50000 1.00000
  Ge3 Ge 0.57117 0.43354 0.50000 1.00000
  Ge4 Ge 0.43354 0.57117 0.50000 1.00000
  Ge5 Ge 0.30309 0.83975 0.50000 1.00000
  Ge6 Ge 0.69452 0.16022 0.50000 1.00000
  Ge7 Ge 0.19535 0.33903 0.50000 1.00000
  Ge8 Ge 0.80357 0.65832 0.50000 1.00000
  Ge9 Ge 0.33903 0.19535 0.50000 1.00000
  Ge10 Ge 0.65832 0.80357 0.50000 1.00000
  Ge11 Ge 0.83975 0.30309 0.50000 1.00000
  Ge12 Ge 0.16022 0.69452 0.50000 1.00000
  Ge13 Ge 0.49524 0.83701 0.00000 1.00000
  Ge14 Ge 0.50270 0.16401 0.00000 1.00000
  Ge15 Ge 0.00327 0.33537 0.00000 1.00000
  Ge16 Ge 0.99599 0.66274 0.00000 1.00000
  Ge17 Ge 0.33537 0.00327 0.00000 1.00000
  Ge18 Ge 0.66274 0.99599 0.00000 1.00000
  Ge19 Ge 0.83701 0.49524 0.00000 1.00000
  Ge20 Ge 0.16401 0.50270 0.00000 1.00000
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