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Ac8TcRh3I4

Alexandria ALEX

Alex-ID: agm004736615 · Space group: R-3m (#166)

Basic Information

Formula
Ac8TcRh3I4
Alex-ID
agm004736615
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
573.14
ų
Cell a
8.7269
Å
Cell b
10.0458
Å
Cell c
8.7326
Å
α angle
115.83
°
β angle
119.98
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac8TcRh3I4
Ac
8.00 · 50.0%
Tc
1.00 · 6.3%
Rh
3.00 · 18.8%
I
4.00 · 25.0%

Energy & Stability

Energy above hull
0.0470
eV/atom
Formation energy
-0.8633
eV/atom
Corrected total energy
-85.3015
eV
Raw total energy
-85.3015
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0039
eV
DOS at Fermi level
8.5030
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4D8_65_spg12

Decomposition

Ac2RhI AcI3 Ac Tc

Computed at

2023-02-05 19:28:36.994318

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: agm004736615).

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 agm004736615
data_agm004736615
_cell_length_a     8.72694
_cell_length_b     10.04585
_cell_length_c     8.73259
_cell_angle_alpha  115.83224
_cell_angle_beta   119.97861
_cell_angle_gamma  90.00000
_cell_volume       573.14232
_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 0.22614 0.68620 0.95989 1.00000
  Ac2 Ac 0.22632 0.68614 0.45264 1.00000
  Ac3 Ac 0.27250 0.31711 0.54500 1.00000
  Ac4 Ac 0.73376 0.68620 0.95989 1.00000
  Ac5 Ac 0.26624 0.31380 0.04011 1.00000
  Ac6 Ac 0.72750 0.68289 0.45500 1.00000
  Ac7 Ac 0.77368 0.31386 0.54736 1.00000
  Ac8 Ac 0.77386 0.31380 0.04011 1.00000
  Tc1 Tc 0.00000 0.50000 0.00000 1.00000
  Rh1 Rh 0.50000 0.50000 0.00000 1.00000
  Rh2 Rh 0.50000 0.50000 0.50000 1.00000
  Rh3 Rh 0.00000 0.50000 0.50000 1.00000
  I1 I 0.50000 0.00000 0.00000 1.00000
  I2 I 0.50000 0.00000 0.50000 1.00000
  I3 I 0.00000 0.00000 0.00000 1.00000
  I4 I 0.00000 0.00000 0.50000 1.00000
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