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AcTbSi2

Alexandria ALEX

Alex-ID: agm005785331 · Space group: Pnma (#62)

Basic Information

Formula
AcTbSi2
Alex-ID
agm005785331
Elements
3
Sites
16
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
414.51
ų
Cell a
6.6845
Å
Cell b
7.2840
Å
Cell c
8.5131
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcTbSi2
Ac
4.00 · 25.0%
Tb
4.00 · 25.0%
Si
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0702
eV/atom
Formation energy
-0.6324
eV/atom
Corrected total energy
-88.4663
eV
Raw total energy
-88.4663
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0832
eV
DOS at Fermi level
9.0391
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_9019_spg62

Decomposition

TbSi AcSi

Computed at

2023-07-13 12:18:01.715502

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: agm005785331).

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 agm005785331
data_agm005785331
_cell_length_a     6.68451
_cell_length_b     7.28402
_cell_length_c     8.51314
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       414.50584
_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
  Ac1 Ac 0.75000 0.99558 0.32102 1.00000
  Ac2 Ac 0.75000 0.49558 0.17898 1.00000
  Ac3 Ac 0.25000 0.00442 0.67898 1.00000
  Ac4 Ac 0.25000 0.50442 0.82102 1.00000
  Tb1 Tb 0.75000 0.81980 0.81189 1.00000
  Tb2 Tb 0.75000 0.31980 0.68811 1.00000
  Tb3 Tb 0.25000 0.18020 0.18811 1.00000
  Tb4 Tb 0.25000 0.68020 0.31189 1.00000
  Si1 Si 0.93687 0.65771 0.53889 1.00000
  Si2 Si 0.56313 0.15771 0.96111 1.00000
  Si3 Si 0.43687 0.34229 0.46111 1.00000
  Si4 Si 0.06313 0.84229 0.03889 1.00000
  Si5 Si 0.06313 0.34229 0.46111 1.00000
  Si6 Si 0.43687 0.84229 0.03889 1.00000
  Si7 Si 0.56313 0.65771 0.53889 1.00000
  Si8 Si 0.93687 0.15771 0.96111 1.00000
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