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Ac2TbAs3

Alexandria ALEX

Alex-ID: agm005759360 · Space group: Fddd (#70)

Alexandria Database API

Basic Information

Formula
Ac2TbAs3
Alex-ID
agm005759360
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
731.97
ų
Cell a
7.6541
Å
Cell b
7.6541
Å
Cell c
13.9738
Å
α angle
100.50
°
β angle
100.50
°
γ angle
109.55
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2TbAs3
Ac
8.00 · 33.3%
Tb
4.00 · 16.7%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0404
eV/atom
Formation energy
-1.4629
eV/atom
Corrected total energy
-142.3015
eV
Raw total energy
-142.3015
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0065
eV
DOS at Fermi level
3.1644
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

TbAs AcAs

Computed at

2023-08-07 04:50:27.499682

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: agm005759360).

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 agm005759360
data_agm005759360
_cell_length_a     7.65412
_cell_length_b     7.65412
_cell_length_c     13.97382
_cell_angle_alpha  100.50076
_cell_angle_beta   100.50076
_cell_angle_gamma  109.54527
_cell_volume       731.97020
_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 0.99889 0.49889 0.99779 1.00000
  Ac2 Ac 0.41745 0.41745 0.83491 1.00000
  Ac3 Ac 0.83255 0.33255 0.66509 1.00000
  Ac4 Ac 0.25111 0.25111 0.50221 1.00000
  Ac5 Ac 0.74889 0.74889 0.49779 1.00000
  Ac6 Ac 0.66745 0.16745 0.33491 1.00000
  Ac7 Ac 0.58255 0.58255 0.16509 1.00000
  Ac8 Ac 0.50111 0.00111 0.00221 1.00000
  Tb1 Tb 0.91632 0.91632 0.83265 1.00000
  Tb2 Tb 0.33368 0.83368 0.66735 1.00000
  Tb3 Tb 0.16632 0.66632 0.33265 1.00000
  Tb4 Tb 0.08368 0.08368 0.16735 1.00000
  As1 As 0.16445 0.67945 0.82743 1.00000
  As2 As 0.66298 0.14798 0.82743 1.00000
  As3 As 0.08555 0.07055 0.67257 1.00000
  As4 As 0.58702 0.60202 0.67257 1.00000
  As5 As 0.01660 0.51660 0.50000 1.00000
  As6 As 0.48340 0.98340 0.50000 1.00000
  As7 As 0.39798 0.41298 0.32743 1.00000
  As8 As 0.92945 0.91445 0.32743 1.00000
  As9 As 0.85202 0.33702 0.17257 1.00000
  As10 As 0.32055 0.83555 0.17257 1.00000
  As11 As 0.23340 0.23340 0.00000 1.00000
  As12 As 0.76660 0.76660 1.00000 1.00000
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