Navigation

HEAS Data Platform · Materials Science Database

SmSiAu2

Alexandria ALEX

Alex-ID: agm002242544 · Space group: Cmcm (#63)

Basic Information

Formula
SmSiAu2
Alex-ID
agm002242544
Elements
3
Sites
8
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
160.14
ų
Cell a
4.2405
Å
Cell b
5.6758
Å
Cell c
7.1773
Å
α angle
90.00
°
β angle
90.00
°
γ angle
112.02
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmSiAu2
Si
2.00 · 25.0%
Au
4.00 · 50.0%
Sm
2.00 · 25.0%

Energy & Stability

Energy above hull
0.0443
eV/atom
Formation energy
-0.6483
eV/atom
Corrected total energy
-38.5889
eV
Raw total energy
-38.5889
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.7514
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_30_spg63

Decomposition

Sm14Au51 Sm(SiAu)2 Sm3(SiAu)4

Computed at

2018-07-05 16:17:03

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: agm002242544).

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 agm002242544
data_agm002242544
_cell_length_a     4.24054
_cell_length_b     5.67580
_cell_length_c     7.17734
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  112.02340
_cell_volume       160.14211
_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
  Si1 Si 0.21856 0.43754 0.25000 1.00000
  Si2 Si 0.78144 0.56246 0.75000 1.00000
  Au1 Au 0.36392 0.72731 0.55018 1.00000
  Au2 Au 0.63608 0.27269 0.44982 1.00000
  Au3 Au 0.63608 0.27269 0.05018 1.00000
  Au4 Au 0.36392 0.72731 0.94982 1.00000
  Sm1 Sm 0.93405 0.86568 0.25000 1.00000
  Sm2 Sm 0.06595 0.13432 0.75000 1.00000
Get direct link