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Sm5Np5(Ge5Rh2)4

Alexandria ALEX

Alex-ID: agm020089357 · Space group: Amm2 (#38)

Basic Information

Formula
Sm5Np5(Ge5Rh2)4
Alex-ID
agm020089357
Elements
4
Sites
38
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
745.74
ų
Cell a
13.0812
Å
Cell b
13.0812
Å
Cell c
4.3581
Å
α angle
90.00
°
β angle
90.00
°
γ angle
89.86
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm5Np5(Ge5Rh2)4
Sm
5.00 · 13.2%
Np
5.00 · 13.2%
Ge
20.00 · 52.6%
Rh
8.00 · 21.1%

Energy & Stability

Energy above hull
0.0325
eV/atom
Formation energy
-0.5953
eV/atom
Corrected total energy
-262.1000
eV
Raw total energy
-262.1000
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0007
eV
DOS at Fermi level
65.6959
Total magnetisation
10.1587
μB

Additional Information

Prototype ID

A5B5C8D20_0_spg38

Decomposition

Sm(GeRh)2 Sm2Ge5Rh3 NpGe3 Np2Ge

Computed at

2025-01-30 18:45:14

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: agm020089357).

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 agm020089357
data_agm020089357
_cell_length_a     13.08117
_cell_length_b     13.08117
_cell_length_c     4.35811
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  89.86466
_cell_volume       745.74406
_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 0.82520 0.82520 0.50000 1.00000
  Sm2 Sm 0.17544 0.17544 0.50000 1.00000
  Sm3 Sm 0.32338 0.67594 0.50000 1.00000
  Sm4 Sm 0.67594 0.32338 0.50000 1.00000
  Sm5 Sm 0.61215 0.61215 0.50000 1.00000
  Np1 Np 0.38681 0.38681 0.50000 1.00000
  Np2 Np 0.11093 0.88919 0.50000 1.00000
  Np3 Np 0.88919 0.11093 0.50000 1.00000
  Np4 Np 0.99998 0.50022 0.00000 1.00000
  Np5 Np 0.50022 0.99998 0.00000 1.00000
  Ge1 Ge 0.93387 0.93387 0.00000 1.00000
  Ge2 Ge 0.06645 0.06645 0.00000 1.00000
  Ge3 Ge 0.43232 0.56561 0.00000 1.00000
  Ge4 Ge 0.56561 0.43232 0.00000 1.00000
  Ge5 Ge 0.83975 0.29764 0.00000 1.00000
  Ge6 Ge 0.15988 0.70215 0.00000 1.00000
  Ge7 Ge 0.33935 0.20186 0.00000 1.00000
  Ge8 Ge 0.65992 0.79905 0.00000 1.00000
  Ge9 Ge 0.20186 0.33935 0.00000 1.00000
  Ge10 Ge 0.79905 0.65992 0.00000 1.00000
  Ge11 Ge 0.29764 0.83975 0.00000 1.00000
  Ge12 Ge 0.70215 0.15988 0.00000 1.00000
  Ge13 Ge 0.84263 0.49946 0.50000 1.00000
  Ge14 Ge 0.15770 0.49857 0.50000 1.00000
  Ge15 Ge 0.34130 0.99766 0.50000 1.00000
  Ge16 Ge 0.65825 0.00142 0.50000 1.00000
  Ge17 Ge 0.99766 0.34130 0.50000 1.00000
  Ge18 Ge 0.00142 0.65825 0.50000 1.00000
  Ge19 Ge 0.49946 0.84263 0.50000 1.00000
  Ge20 Ge 0.49857 0.15770 0.50000 1.00000
  Rh1 Rh 0.75650 0.47658 0.00000 1.00000
  Rh2 Rh 0.24300 0.52273 0.00000 1.00000
  Rh3 Rh 0.25662 0.02333 0.00000 1.00000
  Rh4 Rh 0.74361 0.97680 0.00000 1.00000
  Rh5 Rh 0.02333 0.25662 0.00000 1.00000
  Rh6 Rh 0.97680 0.74361 0.00000 1.00000
  Rh7 Rh 0.47658 0.75650 0.00000 1.00000
  Rh8 Rh 0.52273 0.24300 0.00000 1.00000
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