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Sm3NpRh8

Alexandria ALEX

Alex-ID: agm005991307 · Space group: R3m (#160)

Basic Information

Formula
Sm3NpRh8
Alex-ID
agm005991307
Elements
3
Sites
12
Space group
R3m (#160)
Crystal system
trigonal
Volume
218.87
ų
Cell a
5.3687
Å
Cell b
5.3687
Å
Cell c
9.3001
Å
α angle
73.22
°
β angle
73.22
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3NpRh8
Sm
3.00 · 25.0%
Np
1.00 · 8.3%
Rh
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0394
eV/atom
Formation energy
-0.5850
eV/atom
Corrected total energy
-92.9434
eV
Raw total energy
-92.9434
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0060
eV
DOS at Fermi level
14.8076
Total magnetisation
3.5325
μB

Additional Information

Prototype ID

AB3C8_29_spg160

Decomposition

SmRh2 NpRh NpRh3

Computed at

2023-09-09 17:19:56.708660

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: agm005991307).

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 agm005991307
data_agm005991307
_cell_length_a     5.36865
_cell_length_b     5.36865
_cell_length_c     9.30014
_cell_angle_alpha  73.22387
_cell_angle_beta   73.22386
_cell_angle_gamma  60.00000
_cell_volume       218.86817
_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
  Sm1 Sm 0.37488 0.37488 0.87536 1.00000
  Sm2 Sm 0.99951 0.99951 0.00148 1.00000
  Sm3 Sm 0.50036 0.50036 0.49891 1.00000
  Np1 Np 0.87534 0.87534 0.37398 1.00000
  Rh1 Rh 0.93500 0.43711 0.19078 1.00000
  Rh2 Rh 0.44078 0.93740 0.68442 1.00000
  Rh3 Rh 0.43711 0.43711 0.19078 1.00000
  Rh4 Rh 0.93740 0.93740 0.68442 1.00000
  Rh5 Rh 0.18761 0.18761 0.43716 1.00000
  Rh6 Rh 0.68751 0.68751 0.93748 1.00000
  Rh7 Rh 0.43711 0.93500 0.19078 1.00000
  Rh8 Rh 0.93740 0.44078 0.68442 1.00000
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