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HEAS Data Platform · Materials Science Database

Sm5Co19As12

Alexandria ALEX

Alex-ID: agm008608919 · Space group: C2/m (#12)

Basic Information

Formula
Sm5Co19As12
Alex-ID
agm008608919
Elements
3
Sites
36
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
519.16
ų
Cell a
14.9323
Å
Cell b
14.9323
Å
Cell c
9.4489
Å
α angle
76.16
°
β angle
76.16
°
γ angle
14.71
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm5Co19As12
Sm
5.00 · 13.9%
Co
19.00 · 52.8%
As
12.00 · 33.3%

Energy & Stability

Energy above hull
0.0051
eV/atom
Formation energy
-0.5519
eV/atom
Corrected total energy
-234.6312
eV
Raw total energy
-234.6312
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0175
eV
DOS at Fermi level
24.7402
Total magnetisation
4.3202
μB

Additional Information

Prototype ID

A5B12C19_2_spg12

Decomposition

SmCo5As3 Co SmAs

Computed at

2024-09-26 04:56:47.906987

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: agm008608919).

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 agm008608919
data_agm008608919
_cell_length_a     14.93226
_cell_length_b     14.93226
_cell_length_c     9.44887
_cell_angle_alpha  76.15635
_cell_angle_beta   76.15635
_cell_angle_gamma  14.70937
_cell_volume       519.15734
_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 0.92174 0.92174 0.68334 1.00000
  Sm3 Sm 0.07826 0.07826 0.31666 1.00000
  Sm4 Sm 0.67442 0.67442 0.73048 1.00000
  Sm5 Sm 0.32558 0.32558 0.26952 1.00000
  Co1 Co 0.50000 0.50000 0.50000 1.00000
  Co2 Co 0.27934 0.27934 0.00600 1.00000
  Co3 Co 0.72066 0.72066 0.99400 1.00000
  Co4 Co 0.34757 0.34757 0.58982 1.00000
  Co5 Co 0.65243 0.65243 0.41018 1.00000
  Co6 Co 0.25845 0.25845 0.59273 1.00000
  Co7 Co 0.74155 0.74155 0.40727 1.00000
  Co8 Co 0.15854 0.15854 0.01093 1.00000
  Co9 Co 0.84146 0.84146 0.98907 1.00000
  Co10 Co 0.02745 0.02745 0.66045 1.00000
  Co11 Co 0.97255 0.97255 0.33955 1.00000
  Co12 Co 0.41145 0.41145 0.95187 1.00000
  Co13 Co 0.58855 0.58855 0.04813 1.00000
  Co14 Co 0.56595 0.56595 0.79574 1.00000
  Co15 Co 0.43405 0.43405 0.20426 1.00000
  Co16 Co 0.11522 0.11522 0.61623 1.00000
  Co17 Co 0.88478 0.88478 0.38377 1.00000
  Co18 Co 0.79556 0.79556 0.77587 1.00000
  Co19 Co 0.20444 0.20444 0.22413 1.00000
  As1 As 0.23316 0.23316 0.84410 1.00000
  As2 As 0.76684 0.76684 0.15590 1.00000
  As3 As 0.34881 0.34881 0.83678 1.00000
  As4 As 0.65119 0.65119 0.16322 1.00000
  As5 As 0.10031 0.10031 0.88364 1.00000
  As6 As 0.89969 0.89969 0.11636 1.00000
  As7 As 0.80652 0.80652 0.52004 1.00000
  As8 As 0.19348 0.19348 0.47996 1.00000
  As9 As 0.48485 0.48485 0.77203 1.00000
  As10 As 0.51515 0.51515 0.22797 1.00000
  As11 As 0.57622 0.57622 0.54963 1.00000
  As12 As 0.42378 0.42378 0.45037 1.00000
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