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Np2CoSi5Rh2

Alexandria ALEX

Alex-ID: agm046589770 · Space group: Ibam (#72)

Basic Information

Formula
Np2CoSi5Rh2
Alex-ID
agm046589770
Elements
4
Sites
20
Space group
Ibam (#72)
Crystal system
orthorhombic
Volume
320.26
ų
Cell a
8.1087
Å
Cell b
8.1087
Å
Cell c
8.1087
Å
α angle
139.46
°
β angle
105.71
°
γ angle
88.24
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np2CoSi5Rh2
Np
4.00 · 20.0%
Co
2.00 · 10.0%
Si
10.00 · 50.0%
Rh
4.00 · 20.0%

Energy & Stability

Energy above hull
0.0215
eV/atom
Formation energy
-0.5906
eV/atom
Corrected total energy
-161.4587
eV
Raw total energy
-161.4587
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0003
eV
DOS at Fermi level
40.6635
Total magnetisation
15.3262
μB

Additional Information

Prototype ID

AB2C2D5_56_spg15

Decomposition

NpCoSi3 Np(SiRh)2

Computed at

2024-11-09 00:56:52.287028

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: agm046589770).

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 agm046589770
data_agm046589770
_cell_length_a     8.10872
_cell_length_b     8.10872
_cell_length_c     8.10872
_cell_angle_alpha  139.46410
_cell_angle_beta   105.70635
_cell_angle_gamma  88.24040
_cell_volume       320.25596
_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
  Np1 Np 0.40163 0.13425 0.26738 1.00000
  Np2 Np 0.86687 0.63425 0.23262 1.00000
  Np3 Np 0.59837 0.86575 0.73262 1.00000
  Np4 Np 0.13313 0.36575 0.76738 1.00000
  Co1 Co 0.00000 0.75000 0.75000 1.00000
  Co2 Co 0.00000 0.25000 0.25000 1.00000
  Si1 Si 0.75094 0.40486 0.34607 1.00000
  Si2 Si 0.05879 0.90486 0.15393 1.00000
  Si3 Si 0.24906 0.59514 0.65393 1.00000
  Si4 Si 0.94121 0.09514 0.84607 1.00000
  Si5 Si 0.50000 0.25000 0.75000 1.00000
  Si6 Si 0.50000 0.75000 0.25000 1.00000
  Si7 Si 0.21165 0.96165 0.75000 1.00000
  Si8 Si 0.78835 0.03835 0.25000 1.00000
  Si9 Si 0.78835 0.53835 0.75000 1.00000
  Si10 Si 0.21165 0.46165 0.25000 1.00000
  Rh1 Rh 0.46532 0.35799 0.10733 1.00000
  Rh2 Rh 0.25066 0.85799 0.39267 1.00000
  Rh3 Rh 0.53468 0.64201 0.89267 1.00000
  Rh4 Rh 0.74934 0.14201 0.60733 1.00000
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