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HEAS Data Platform · Materials Science Database

Sm5Ni19As12

Alexandria ALEX

Alex-ID: agm008608950 · Space group: C2/m (#12)

Basic Information

Formula
Sm5Ni19As12
Alex-ID
agm008608950
Elements
3
Sites
36
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
535.82
ų
Cell a
14.9203
Å
Cell b
14.9203
Å
Cell c
9.5474
Å
α angle
76.23
°
β angle
103.77
°
γ angle
164.95
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm5Ni19As12
Sm
5.00 · 13.9%
Ni
19.00 · 52.8%
As
12.00 · 33.3%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.6516
eV/atom
Corrected total energy
-212.7647
eV
Raw total energy
-212.7647
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
26.3729
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A5B12C19_2_spg12

Decomposition

Sm5Ni19As12

Computed at

2025-02-20 04:20:09

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: agm008608950).

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 agm008608950
data_agm008608950
_cell_length_a     14.92026
_cell_length_b     14.92026
_cell_length_c     9.54742
_cell_angle_alpha  76.23122
_cell_angle_beta   103.76878
_cell_angle_gamma  164.94772
_cell_volume       535.82261
_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 0.00000 0.00000 0.00000 1.00000
  Sm2 Sm 0.07886 0.92114 0.68534 1.00000
  Sm3 Sm 0.92114 0.07886 0.31466 1.00000
  Sm4 Sm 0.32383 0.67617 0.72741 1.00000
  Sm5 Sm 0.67617 0.32383 0.27259 1.00000
  Ni1 Ni 0.50000 0.50000 0.50000 1.00000
  Ni2 Ni 0.72171 0.27829 0.01634 1.00000
  Ni3 Ni 0.27829 0.72171 0.98366 1.00000
  Ni4 Ni 0.65320 0.34680 0.59677 1.00000
  Ni5 Ni 0.34680 0.65320 0.40323 1.00000
  Ni6 Ni 0.74172 0.25828 0.58588 1.00000
  Ni7 Ni 0.25828 0.74172 0.41412 1.00000
  Ni8 Ni 0.84067 0.15933 0.00728 1.00000
  Ni9 Ni 0.15933 0.84067 0.99272 1.00000
  Ni10 Ni 0.97371 0.02629 0.65715 1.00000
  Ni11 Ni 0.02629 0.97371 0.34285 1.00000
  Ni12 Ni 0.58760 0.41240 0.95399 1.00000
  Ni13 Ni 0.41240 0.58760 0.04601 1.00000
  Ni14 Ni 0.43328 0.56672 0.79929 1.00000
  Ni15 Ni 0.56672 0.43328 0.20071 1.00000
  Ni16 Ni 0.88433 0.11567 0.61405 1.00000
  Ni17 Ni 0.11567 0.88433 0.38595 1.00000
  Ni18 Ni 0.20330 0.79670 0.78019 1.00000
  Ni19 Ni 0.79670 0.20330 0.21981 1.00000
  As1 As 0.76434 0.23566 0.83723 1.00000
  As2 As 0.23566 0.76434 0.16277 1.00000
  As3 As 0.65194 0.34806 0.84273 1.00000
  As4 As 0.34806 0.65194 0.15727 1.00000
  As5 As 0.89853 0.10147 0.87805 1.00000
  As6 As 0.10147 0.89853 0.12195 1.00000
  As7 As 0.19358 0.80642 0.52610 1.00000
  As8 As 0.80642 0.19358 0.47390 1.00000
  As9 As 0.51476 0.48524 0.77542 1.00000
  As10 As 0.48524 0.51476 0.22458 1.00000
  As11 As 0.42326 0.57674 0.55001 1.00000
  As12 As 0.57674 0.42326 0.44999 1.00000
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