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AcTm2As3

Alexandria ALEX

Alex-ID: agm042289237 · Space group: Fddd (#70)

Basic Information

Formula
AcTm2As3
Alex-ID
agm042289237
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
643.99
ų
Cell a
14.0397
Å
Cell b
13.3864
Å
Cell c
7.3338
Å
α angle
79.47
°
β angle
69.62
°
γ angle
30.90
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcTm2As3
Ac
4.00 · 16.7%
Tm
8.00 · 33.3%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0586
eV/atom
Formation energy
-1.4399
eV/atom
Corrected total energy
-142.5586
eV
Raw total energy
-142.5586
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0109
eV
DOS at Fermi level
2.3102
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

TmAs AcAs

Computed at

2025-04-13 12:50:23

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: agm042289237).

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 agm042289237
data_agm042289237
_cell_length_a     14.03971
_cell_length_b     13.38638
_cell_length_c     7.33380
_cell_angle_alpha  79.47469
_cell_angle_beta   69.62325
_cell_angle_gamma  30.90207
_cell_volume       643.98909
_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 0.91683 0.91683 0.08317 1.00000
  Ac2 Ac 0.33317 0.33317 0.16683 1.00000
  Ac3 Ac 0.16683 0.16683 0.33317 1.00000
  Ac4 Ac 0.08317 0.08317 0.91683 1.00000
  Tm1 Tm 0.00110 0.00110 0.49890 1.00000
  Tm2 Tm 0.41592 0.41592 0.58408 1.00000
  Tm3 Tm 0.83408 0.83408 0.66592 1.00000
  Tm4 Tm 0.24890 0.24890 0.75110 1.00000
  Tm5 Tm 0.75110 0.75110 0.24890 1.00000
  Tm6 Tm 0.66592 0.66592 0.83408 1.00000
  Tm7 Tm 0.58408 0.58408 0.41592 1.00000
  Tm8 Tm 0.49890 0.49890 0.00110 1.00000
  As1 As 0.67065 0.17005 0.81021 1.00000
  As2 As 0.17005 0.67065 0.34909 1.00000
  As3 As 0.57935 0.07995 0.43979 1.00000
  As4 As 0.07995 0.57935 0.90091 1.00000
  As5 As 0.51905 0.98095 0.98095 1.00000
  As6 As 0.98095 0.51905 0.51905 1.00000
  As7 As 0.90091 0.43979 0.07995 1.00000
  As8 As 0.43979 0.90091 0.57935 1.00000
  As9 As 0.34909 0.81021 0.17005 1.00000
  As10 As 0.81021 0.34909 0.67065 1.00000
  As11 As 0.73095 0.26905 0.26905 1.00000
  As12 As 0.26905 0.73095 0.73095 1.00000
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