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Ac2TmSe3

Alexandria ALEX

Alex-ID: agm005690776 · Space group: Fddd (#70)

Basic Information

Formula
Ac2TmSe3
Alex-ID
agm005690776
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
683.89
ų
Cell a
7.5232
Å
Cell b
7.5232
Å
Cell c
13.4923
Å
α angle
100.90
°
β angle
100.90
°
γ angle
108.76
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2TmSe3
Ac
8.00 · 33.3%
Tm
4.00 · 16.7%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0241
eV/atom
Formation energy
-1.7741
eV/atom
Corrected total energy
-135.2180
eV
Raw total energy
-135.2180
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0009
eV
DOS at Fermi level
12.3226
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

TmSe AcSe

Computed at

2023-08-24 21:31:12.098366

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: agm005690776).

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 agm005690776
data_agm005690776
_cell_length_a     7.52321
_cell_length_b     7.52321
_cell_length_c     13.49228
_cell_angle_alpha  100.90284
_cell_angle_beta   100.90283
_cell_angle_gamma  108.75791
_cell_volume       683.89312
_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 0.99685 0.49685 0.99369 1.00000
  Ac2 Ac 0.42052 0.42052 0.84103 1.00000
  Ac3 Ac 0.82948 0.32948 0.65897 1.00000
  Ac4 Ac 0.25315 0.25315 0.50631 1.00000
  Ac5 Ac 0.74685 0.74685 0.49369 1.00000
  Ac6 Ac 0.67052 0.17052 0.34103 1.00000
  Ac7 Ac 0.57948 0.57948 0.15897 1.00000
  Ac8 Ac 0.50315 0.00315 0.00631 1.00000
  Tm1 Tm 0.91678 0.91678 0.83356 1.00000
  Tm2 Tm 0.33322 0.83322 0.66644 1.00000
  Tm3 Tm 0.16678 0.66678 0.33356 1.00000
  Tm4 Tm 0.08322 0.08322 0.16644 1.00000
  Se1 Se 0.16311 0.68820 0.82343 1.00000
  Se2 Se 0.66031 0.13522 0.82343 1.00000
  Se3 Se 0.08689 0.06180 0.67657 1.00000
  Se4 Se 0.58969 0.61478 0.67657 1.00000
  Se5 Se 0.03034 0.53034 0.50000 1.00000
  Se6 Se 0.46966 0.96966 0.50000 1.00000
  Se7 Se 0.38522 0.41031 0.32343 1.00000
  Se8 Se 0.93820 0.91311 0.32343 1.00000
  Se9 Se 0.86478 0.33969 0.17657 1.00000
  Se10 Se 0.31180 0.83689 0.17657 1.00000
  Se11 Se 0.21966 0.21966 0.00000 1.00000
  Se12 Se 0.78034 0.78034 1.00000 1.00000
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